Technical Report - Blind Creek Resources

Transcription

Technical Report
Blind Creek Resources Ltd
Atlin Project
NTS 104N
Centered at 59˚ 31.629’ N & 133˚ 23.055’ W
Northwest British Columbia
Atlin Mining Division, British Columbia
Canada
For
Blind Creek Resources Ltd, 15th Floor-675 West Hastings Street,
Vancouver, BC. Canada, V6B 1N2
Tel: (604)-669-6463; Fax (604)-669-3041
By:
R. Allan Doherty, P.Geo
Aurum Geological Consultants Inc.
106A Granite Road,
Whitehorse, Yukon, Y1A 2V9
Tel: 867-667-4168; Fax 867-668-2021
Date: 15th March 2011
Revised May 19, 2011
Table of Contents
Summary ........................................................................................................................................ 5
Introduction and Terms of Reference............................................................................................. 6
Reliance on Other Experts.............................................................................................................. 8
Property Description and Location................................................................................................. 8
Accessibility, Climate, Local Resources, Infrastructure and Physiography ................................ 12
History .......................................................................................................................................... 13
Regional Geological Setting......................................................................................................... 16
Atlin Project Geology................................................................................................................... 17
Mineral Deposit Type................................................................................................................... 20
Mineralization .............................................................................................................................. 21
Exploration ................................................................................................................................... 24
Drilling ......................................................................................................................................... 24
Sampling Method, Preparation, Analysis, & Security ................................................................. 31
Data Verification .......................................................................................................................... 32
Adjacent Properties ...................................................................................................................... 33
Mineral Processing and Metallurgical Testing............................................................................. 45
Mineral Resource and Mineral Reserve Estimates....................................................................... 45
Other Relevant Data and Information .......................................................................................... 45
Interpretations and Conclusions ................................................................................................... 45
Recommendations ........................................................................................................................ 47
Signature Page .............................................................................................................................. 48
References .................................................................................................................................... 49
Citations........................................................................................................................................ 54
Web Sites...................................................................................................................................... 54
Certificate of Qualifications - R. Allan Doherty .......................................................................... 55
List of Tables
Page
Table 1
Blind Creek Resources Tenures
8
Table 2
Gold Production from Atlin Creeks. 1898-1946
13
Table 3
Summary of Placer Gold Producers, Historic And Present within and
adjacent to Atlin Project
13
Table 4
BCR Ltd Atlin Drill Program Part I, Part II & Part III
28
Table 5
Significant Drilling intercepts at Yellowjacket 2003-2006
36
Table 6
Rock Samples west Sector Imperial Mine Property 2004
43
Table 7
Soil/Talus Samples Imperial Mine Property 2006
43
Table 8
Soil Samples Imperial Mine Property 2007
43
Technical Report
Atlin Project; 19th May 2011
3
Table 9
T.O Connolly, Random Samples, Pictou Occurrence, Atlin, B.C 1969
46
Table 10
Contingent Drill Program Budget
49
Technical Report
Appendix A
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
Figure 6
Figure 7
Figure 8a
Figure 8b
Figure 8c
Figure 9
Figure 10
Figure 11
Figure 12
Figure 13
Figure 14
Figure 15
Figure 16
Figure 17
Figure 18
Figure 19
Figure 20
Figure 21
Figure 22
Figure 23
Figure 24
Figure 25
Appendix B
Accompanying Figures
Project Location in British Columbia
Property Location Map
Mineral Reserve Location Map
Active District Lots (fee simple)
Yellowjacket Properties
Minfile Locations
Assessment Report Locations
Regional Geology Map
Legend for Regional Geology Map
Interpreted Atlin Placer Source Zone and
Monarch-Pine-Surprise Zone
Selected Magnetometer Survey Areas 2008-2009
Interpretative Geology Sections of Snake Creek Listwanite Anomaly#1
After Drilling 6 Diamond Drill Holes BCR-05-01 to BCR-05-06
Interpretative Drill Hole Geology and Significant Assays
Holes BC-07-04 to 07
Drill Hole Section, Hole: BCR1-09
Drill Hole Section Holes BCR-2-09 to BCR-4-09
Drill Hole Section Holes: BCR-5-09 to BCR-7-09
Drill Hole Section Hole: BCR-8-09
Drill Hole Section Holes: BCR-12-09 & BCR-13-09
Drill Hole Section
Holes BCR-1-10 to & BCR-4-10
Drill Hole Sections
Holes BCR-5-10 & BCR-7-10
Drill Hole Sections
Drill Hole Sections
Drill Hole Section
Hole BCR-10-10
Drill Hole Section
Hole BCR-11-10
Drill Hole Sections
Holes BCR-15-09 &BCR-16-09
Check Assays
4
Technical Report
5
Summary
The community of Atlin in northwestern British Columbia is accessible by part hardtop-part
gravel road 92 km south of the Alaska Highway and Jakes Corner in the Yukon Territory. Atlin
is the most northerly community in British Columbia, and lies within the traditional territory of
the Taku River Tlinkit First Nation.
Gravel road access to the Atlin Project can be considered excellent by northwest British
Columbia standards, primarily due to the historic and present placer mining activity.
Atlin became known as a productive Canadian placer gold camp in the year 1898, when two
prospectors found gold in paying quantities in several creeks. Although it is estimated that the
Atlin camp has produced much more than a million ounces of placer gold, records suggest that
the camp did not become a significant hard rock gold exploration destination until the late
1960’s.
The Atlin mining camp, known for its historic placer gold production, offers large target areas
for exploratory drilling in search of California style mother-lode gold deposits that may exist in
the highly prospective formations that are masked by overburden. Prime target areas include
listwanite geology associated with the Atlin Ophiolitic Complex, the Atlin Accretionary
complex, the Monarch Mountain thrust, the Otter Creek Fault, and other lineaments.
The Atlin Project benefits from good local infrastructure, including road access, and can be
explored efficiently in a cost effective manner
During 2004, Mr. Frank Callaghan, CEO of the un-listed company Blind Creek Resources Ltd,
(BCR) a Resource Group Company with offices at 15th Floor-675 West Hastings Street,
Vancouver, BC. Canada, V6B 1N2, funded a staking program to acquire two blocks of mineral
claims over several historic placer gold drainages within the Atlin gold camp. At the time of
writing the Project consists of 85 contiguous mineral claims and one non-contiguous claim,
comprising 49,811.78 hectares.
Atlin Project mineral claims were acquired by the Company on the principle that existing placer
gold claims in the Atlin area could lead to finding a hard-rock gold source. All existing historic
hard-rock gold prospects within the Atlin camp fall adjacent and outside the Project area.
Therefore the objective of the Company is to track new hard-rock gold prospects within the
Project area, albeit under the predominant glacial till cover using knowledge of existing and
historic placer workings, studies made on individual placer gold nuggets derived from the
workings, and geology of the surrounding area.
Placer gold nuggets from the Atlin gold camp generally show an association with bull quartz
fragments, so it can be assumed at least in part Atlin placer gold was sourced to quartz vein
systems that have since had their gold zones eroded away. It can be assumed gold mineralization
was limited to specific paleo-horizons.
Technical Report
6
Assessment work was carried out by BCR on these claims during 2005, 2006, 2007, and 2008
and during the spring of 2009. The 2005 and 2007 assessment work included limited diamond
drilling, while other assessment work during other years included prospecting, geochemical and
reconnaissance magnetometer surveys.
Between September 2009 and June 2010 Blind Creek Resources Ltd initiated a new diamond
drilling program on the Atlin Project, under Mines Act Permit MX-1-664, approval #091650350-0703, to explore listwanite gold bearing structures within its tenures. Total drilling
during this period amounted to 3,367.09 metres.
Exploration on the Atlin Project should focus on exploration diamond drilling supported my
ground magnetic surveys, prospecting, and mapping. Recommended diamond drill targets are
zones adjacent to lineament, faults, contacts between Cache Creek Group rocks with Jurassic and
Cretaceous intrusive units, but most of the entire interface between the Atlin Ophiolite
Assemblage and the Atlin Accretionary Complex. This program would be considered a Phase I
drill program, with a recommended budget cost of $550, 400.00. A Phase II budget would be
contingent on successful results from Phase I. A Phase II program would cost approximately the
same as Phase I for a total possible expenditure of $1.1 M.
Introduction and Terms of Reference
This report on the Atlin Project (the Project) has been prepared at the request of Mr. Frank
Callaghan, CEO of Blind Creek Resources Ltd, (BCR) a Resource Group Company, with offices
at 15th Floor-675 Hastings Street, Vancouver, BC. Canada, V6B 1N2. The Company retained
Mr. Al Doherty, P.Geo to act as an Independent Qualified Person for the preparation of a
Technical Report, in accordance with NI 43-101, Form 43-101F1 that can be used in obtaining
funds for exploration and as part of an application to list shares of that company on a national
stock exchange.
In order to complete the assignment, Mr. Doherty has undertaken a review of work carried out
within the project area, including data obtained and interpretations generated by current and
previous tenure holders. Mr. N. Clive Aspinall is a Qualified Person and he has provided
knowledge and technical information to the report, however he is not considered independent
because he provides consulting services to the Company. Mr. Al Doherty (an Independent
Qualified Person) has reviewed, and takes responsibility for all portions of this report.
The Project falls entirely within the historic Atlin gold camp in Northwest British Columbia
(Figures 1 and 2), and comprises 86 tenures, of which 85 are contiguous. The total area is
49,811.78 hectares.
gold claims in the Atlin camp could lead to finding a hard-rock gold source. The Project area
consists of 49,811.78 hectares, and the objective of the company is to work systematically over
the area using existing knowledge of the placer drainages, geology while gaining new
information derived from ground magnetics and diamond drilling. The focus is on the entire
Technical Report
7
claim package, not just one placer drainage covered by 3 or 4 mineral claims. This strategy is
based on local placer mining knowledge that the placer gold in existing Atlin placer creeks has
traveled anywhere from 5 to 10 kilometres during different periods of glaciation and post-glacial
stream action.
Atlin became known as a productive Canadian placer gold camp in the year 1898, after the
recorded discoveries by two prospectors who first found gold in paying quantities 1 . Several Atlin
area placer mines operate on a seasonal basis with substantial gold production, currently
estimated by the author to be over 1000 ounces annually.
Source of information are detailed below and include the available public domain information
and private company data:
•
Research of Minfile data at http://www.em.gov.bc.ca/Mining/Geolsurv/Minfile/default.htm .
•
Research of mineral titles at http://www.em.gov.bc.ca/Mining/Geolsurv/MapPlace and
http://www.mtonline.gov.bc.ca .
•
Review of company reports (particularly Aspinall (pers. com 2011)).
•
Review of geological maps and geological reports by J.D Aitkin, Chris H. Ash and M.
Mihalynuk of the federal and provincial governments.
•
Published scientific papers on the geology and mineral deposits of the region and on mineral
deposit types.
•
The author has previous independent experience and knowledge of the regional area.
•
Site visit on the property by the author on January 13, 2011, accompanied by Nicholas Clive
Aspinall, P.Eng. of Atlin British Columbia, who supervised the 2005, 2007, 2009 and 2010
exploration programs on the Property.
Standard Drilling Ltd of Wells, British Columbia, conducted all BCR diamond drilling on the
Project during 2005, 2007, 2009, and 2010 with head offices at 15th Floor-675 West Hastings
Street, Vancouver, BC. Canada, V6B 1N2.
Drafting services were provided Ms. Anke Woodworth of TerraCad GIS Services Ltd., with
address at 675 West Hastings, Suite 310, Vancouver, B. C.
Analytical services were provided by Alex Stewart Group (Eco Tech), with address at 10041
Dallas Drive, Kamloops, B. C.
Based on his experience, qualifications and review, the author is of the opinion that all work
programs conducted on the Atlin Project have been conducted in a professional manner and the
quality of data and information produced from the efforts meet or exceed acceptable industry
standards. All work conducted by BCR on the Atlin Property was under the direction of a
qualified person. Much of the data has undergone thorough scrutiny by BCR staff as well as
certain data verification procedures by the author, see “Data Verification” section.
1
Geological Survey Branch, Paper No. 26, 1910.
Technical Report
8
The author is not aware of any significant material change to the subject matter of this report that
is not disclosed in this report.
Reliance on Other Experts
Mineral tenure location and ownership were determined by reference to current data posted on
the Mineral Titles Online website of the provincial Ministry of Energy, Mines and Petroleum
Resources.
The author has relied in part upon work and reports completed by others in previous years in the
preparation of this report. Although the author personally collected samples to verify the tenor of
mineralization exposed on the property, thorough checks to confirm the results of such prior
work and reports have not been done. The author has no reason to doubt the correctness of such
work and reports. Unless otherwise stated the author has not independently confirmed the
accuracy of the data.
Property Description and Location
The Atlin Project mineral claims are owned by Blind Creek Resources Ltd, (Free Miners License
number 203166). The Project now totals 86 mineral tenures aggregating 49,811.78 hectares
(Figure 2) and 85 of the tenures are contiguous.
The project area is approximately 15 kilometers wide and 20 kilometers long, and is situated east
and southeast of the community of Atlin. Surprise Lake lies at the northeast end of the tenures,
and the west boundary is close to Atlin Lake. The claim area discussed in this report has been
joined by map staking to the BCR’s Tagish Lake claim group for the purpose of filing
assessment 2
Geographic coordinates of the center of the property are approximately 59˚ 31.629’ N & 133˚
23.055’ W (UTM 6599860 North, 591400 East, NAD 83, Zone 8).
On 1st September 2008, BCR optioned a 50% interest in 52 of the Atlin Project mineral claims
to WellStar Energy Corp, with offices at 15th Floor, 675 West Hastings Street, Vancouver, BC,
Canada, V6B 1N2. This option was with drawn on 1st September 2009 and BCR has 100% title
to all claims within the Project.
Prior to October 2009, The Atlin Project was sub-divided into two non-contiguous claim blocks;
the Como Lake and Main blocks. The Como Lake Block consisted of a contiguous group of five
claims in the region of Como Lake north east of Atlin, (tenures 525456, 521604, 525458,
521602, 521603).
All other claims within the Project area southeasterly from the Como Lake Block were referred
to as the Main Block. The Como Lake Block was separated from the Main Block by a small
fraction between tenure 521602 (Como Lake Block) and tenure 521563 (Main Block), Figure 2.
2
See Pautler, 30th August 2010, Technical Report on the Wann river Project
Technical Report
9
During September-October 2008, Aspinall electronically staked four mineral tenures, (592167,
593091, 593092, and 593093) along the East shore Atlin Lake to join the Como Lake Block with
the Main Block, providing one contiguous claim group. This contiguous block is now referred to
as the Atlin Project.
Since January 2005 British Columbia mineral tenures are staked electronically. They do not
convey surface rights. Currently the Atlin Project involves 86 mineral claims totaling 49,811.78
hectares. Tenures can be extended by suitably performing and reporting physical or technical
work. As a result of BCRs past drilling programs 82 Project mineral claims have anniversary
dates to 14th April 2013, 3 mineral claims to 15th April 2013 and one to 23rd June 2014. Details
are tabulated in Table 1.
Table 1
Atlin Project Tenures
Tenure
#
Claim Name
1
510928
BLIND CREEK
2
510932
BLIND CREEK 2
3
521544
4
521545
5
521547
6
521549
7
521550
8
521552
9
521554
10
521555
11
521556
12
521557
13
521558
14
521559
15
521560
16
521561
17
521562
18
521563
19
521564
20
521565
21
521575
22
521576
#
Owner
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
Map
Number
Issue Date
Good To Date
Status
104N
2005/apr/18
2013/apr/14
GOOD
395.084
104N
2005/apr/18
2013/apr/14
GOOD
329.444
104N
2005/oct/27
2013/apr/14
GOOD
1000.27
104N
2005/oct/27
2013/apr/14
GOOD
1163.141
104N
2005/oct/27
2013/apr/14
GOOD
883.9997
104N
2005/oct/27
2013/apr/14
GOOD
1147.66
104N
2005/oct/27
2013/apr/14
GOOD
1283.995
104N
2005/oct/27
2013/apr/14
GOOD
1200.913
104N
2005/oct/27
2013/apr/14
GOOD
641.133
104N
2005/oct/27
2013/apr/14
GOOD
823.397
104N
2005/oct/27
2013/apr/14
GOOD
1368.297
104N
2005/oct/27
2013/apr/14
GOOD
918.904
104N
2005/oct/27
2013/apr/14
GOOD
1169.622
104N
2005/oct/27
2013/apr/14
GOOD
1070.797
104N
2005/oct/27
2013/apr/14
GOOD
969.627
104N
2005/oct/27
2013/apr/14
GOOD
985.84
104N
2005/oct/27
2013/apr/14
GOOD
936.059
104N
2005/oct/27
2013/apr/14
GOOD
1082.487
104N
2005/oct/27
2013/apr/14
GOOD
1165.261
104N
2005/oct/27
2013/apr/14
GOOD
986.811
104N
2005/oct/28
2013/apr/14
GOOD
985.349
104N
2005/oct/28
2013/apr/14
GOOD
1167.234
Area (ha)
Technical Report
23
521577
24
521578
25
521579
26
521581
27
521587
28
521589
29
521590
30
521591
31
521593
32
521594
33
521595
34
521597
35
521599
36
521600
37
521602
38
521603
39
521604
40
522314
ROSE TOP
41
522315
ROSE BOTTOM
42
522316
LEFT OF SLATE
43
522317
JOHNSON NINE
44
525456
COMO #1
45
525458
COMO #2
46
548471
EAST
47
548472
EAST 2
48
548940
EAST 3
49
548941
EAST 4
50
548942
EAST 5
51
548943
EAST 6
52
548944
EAST 7
53
592167
ATLIN LAKE ISLANDS#1
54
593091
COMO-MAIN BLK # 1
55
593092
COMO-MAIN BLK#2
56
593093
COMO-MAIN#3
57
603126
MONARCH 1
10
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
104N
2005/oct/28
2013/apr/14
GOOD
823.072
104N
2005/oct/28
2013/apr/14
GOOD
1167.911
104N
2005/oct/28
2013/apr/14
GOOD
805.513
104N
2005/oct/28
2013/apr/14
GOOD
887.093
104N
2005/oct/28
2013/apr/14
GOOD
724.167
104N
2005/oct/28
2013/apr/14
GOOD
723.854
104N
2005/oct/28
2013/apr/14
GOOD
657.215
104N
2005/oct/28
2013/apr/14
GOOD
984.682
104N
2005/oct/28
2013/apr/14
GOOD
721.761
104N
2005/oct/28
2013/apr/14
GOOD
721.936
104N
2005/oct/28
2013/apr/14
GOOD
787.083
104N
2005/oct/28
2013/apr/14
GOOD
475.601
104N
2005/oct/28
2013/apr/14
GOOD
426.685
104N
2005/oct/28
2013/apr/14
GOOD
245.876
104N
2005/oct/28
2013/apr/14
GOOD
819.427
104N
2005/oct/28
2013/apr/14
GOOD
950.34
104N
2005/oct/28
2013/apr/14
GOOD
409.495
104N
2005/nov/15
2013/apr/14
GOOD
410.471
104N
2005/nov/15
2013/apr/14
GOOD
410.621
104N
2005/nov/15
2013/apr/14
GOOD
410.736
104N
2005/nov/15
2013/apr/14
GOOD
147.891
104N
2006/jan/14
2013/apr/14
GOOD
65.517
104N
2006/jan/14
2013/apr/14
GOOD
16.386
104N
2007/jan/02
2013/apr/14
GOOD
410.6081
104N
2007/jan/02
2013/apr/14
GOOD
410.8286
104N
2007/jan/09
2013/apr/14
GOOD
410.9152
104N
2007/jan/09
2013/apr/14
GOOD
411.1496
104N
2007/jan/09
2013/apr/14
GOOD
411.3489
104N
2007/jan/09
2013/apr/14
GOOD
376.615
104N
2007/jan/09
2013/apr/14
GOOD
197.6049
104N
2008/sep/29
2013/apr/14
GOOD
409.8629
104N
2008/oct/18
2013/apr/14
GOOD
376.791
104N
2008/oct/18
2013/apr/14
GOOD
328.4041
104N
2008/oct/18
2013/apr/14
GOOD
180.4527
104N
2009/apr/21
2013/apr/14
GOOD
410.5105
Technical Report
58
603127
MONARCH 2
59
603128
MONARCH 3
60
603129
MONARCH 4
61
606518
BOULDER #1
62
663323
COMO NORTH
63
672383
SURPRISE EAST 1
64
672423
SURPRISE EAST 2
65
672443
SURPRISE EAST 3
66
706326
COMO NORTH
67
725342
SURPRISE#1
68
725362
CRACKER#1
69
725482
CRACKER#2
70
725662
MCMASTER#1
71
726282
MCMASTER#2
72
726362
MCMASTER#3
73
726522
CRACKER#3
74
726622
CRACKER#4
75
731042
CONSOLATION#1
76
731082
CONSOLATION#2
77
731102
CONSOLATION#3
78
731122
CONSOLATION#4
79
781982
MCMASTER#4
80
782002
MCMASTER#5
81
782022
MCMASTER#6
82
782042
MCMASTER#7
83
782062
MCMASTER#8
84
782082
85
782102
86
782122
MCMASTER#9
MCMASTER
CONNECTION#1
MCMASTER
CONNECTION#2
Total
Ha.
11
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
203166
(100%)
104N
2009/apr/21
2013/apr/14
GOOD
410.4469
104N
2009/apr/21
2013/apr/14
GOOD
410.5417
104N
2009/apr/21
2013/apr/14
GOOD
16.4198
104N
2009/jun/23
2014/jun/23
GOOD
408.8995
104N
2009/nov/01
2013/apr/14
GOOD
144.6
104N
2009/nov/20
2013/apr/14
GOOD
409.2799
104N
2009/nov/20
2013/apr/14
GOOD
376.7456
104N
2009/nov/20
2013/apr/14
GOOD
229.3096
104N
2010/feb/15
2013/apr/14
GOOD
130.9882
104N
2010/mar/12
2013/apr/14
GOOD
409.3581
104N
2010/mar/12
2013/apr/14
GOOD
408.4524
104N
2010/mar/12
2013/apr/14
GOOD
114.22
104N
2010/mar/12
2013/apr/14
GOOD
412.8027
104N
2010/mar/12
2013/apr/14
GOOD
412.5295
104N
2010/mar/12
2013/apr/14
GOOD
412.2729
104N
2010/mar/12
2013/apr/14
GOOD
391.6268
104N
2010/mar/12
2013/apr/14
GOOD
375.2158
104N
2010/mar/19
2013/apr/14
GOOD
391.3376
104N
2010/mar/19
2013/apr/14
GOOD
407.4699
104N
2010/mar/19
2013/apr/14
GOOD
391.1082
104N
2010/mar/19
2013/apr/14
GOOD
374.7291
104N
2010/may/30
2013/apr/14
GOOD
412.2705
104N
2010/may/30
2013/apr/14
GOOD
412.5272
104N
2010/may/30
2013/apr/14
GOOD
412.8005
104N
2010/may/30
2013/apr/14
GOOD
412.261
104N
2010/may/30
2013/apr/14
GOOD
412.5179
104N
2010/may/30
2013/apr/15
GOOD
412.7917
104N
2010/may/30
2013/apr/15
GOOD
412.0929
104N
2010/may/30
2013/apr/15
GOOD
82.4186
49,811.78
The Atlin Project falls within the Taku Tlingit First Nations (TRTFN) traditional territory,
(Figure 1). The author is aware of environmental and aboriginal issues that may in the future
impact exploration on the McMaster #1 to McMaster #9 and McMaster Connection#1 to
McMaster Connection#2 mineral claims listed in Table #1 above, since these eleven claim
Technical Report
12
holdings fall within areas the TRTFN wish no mining or other development (Figure 2). All other
claims in the Atlin Project areas do not present such issues with the TRTFN, and at present time
are free of such possible encumbrances.
Boulder #1 mineral claim, tenure #606518, staked on line for BCR on 23rd June 2009, is located
north of Surprise Lake, a short distance from the remainder of the property. This claim represents
the only tenure within the Project that is not contiguous 3 (Figure 2).
Some BCR claims overlie certain mineral reserves as well as fee simple Lots (Figures 3 & 4).
Fee simple lots shown on Figure 4 provide surface rights only.
Accessibility, Climate, Local Resources, Infrastructure and Physiography
Atlin, the most northerly community in British Columbia, lies east of the Coast Range Mountains
approximately 140 kilometers east of Juneau, Alaska. It is situated on the east Shore of Atlin
Lake at an elevation of 2,190 feet (670m) ASL and is accessed from Jakes Corner and the Alaska
Highway by a 92 kilometer part hardtop-part gravel road. Whitehorse, Yukon, located 82
kilometers to the northwest of Jakes Corner, provides most services and facilities required in
support of mineral exploration, including an international airport that offers daily flights to other
Western Canada centers.
Gravel roads and mining trails negotiable by 4WD-equipped vehicles provide excellent access to
the Atlin Project.
Atlin’s climate is typical of northern British Columbia: January temperatures average -15°C and
snowfall averages two metres; summers are pleasant with average temperatures of 20°C and
variable amounts of precipitation. Precipitation is reported to approximate 30 millimeters during
the summer months 4.
Historically, a BC Hydro diesel generating plant serviced Atlin but currently the community
receives electrical power generated by a 2.1 megawatt Pelton twin turbine generator that draws
water from Surprise Lake 16 kilometers up stream from the town 5 .
Excess power is present and could be available to commercial enterprises such as local smallscale mining ventures.
Atlin has an abundance of fresh water resources from Atlin Lake, Pine Creek, Spruce Creek,
Otter Creek, Snake Creek and Wilson Creek.
A skilled labour force for mining and mineral exploration is available locally in Atlin and in
Whitehorse, Yukon.
The Atlin region features topography that is significantly different from the coastal ranges, and
consists of gently rounded mountains with relief approximating 1,000 meters. Vegetation below
3
Aspinall and Coster, 2010.
Atlin Centre Web
5
Stuart Simpson, TRTFN Project Mgr, pers comm.. 2009
4
Technical Report
13
4500 feet can be categorized as mixed northern boreal forest, with spruce, birch, jack pine, and
poplar being predominant. Willow occurs along major creek banks. Above 4500 feet balsam
with scattered blue varieties predominate and give way to alpine buck-brush and alpine grasses.
In the alpine above 4500 feet summer wild flowers blossom for short periods during the spring
and summer months.
Summer season is short, with approximately 70 frost-free days. Geological fieldwork can
commence by 15th June but should be completed by 15th September in alpine terraine, lower
areas by 15th October. Where creeks and trails are proximal, drilling programs can commence by
1st April but should be completed by mid-November, and ground geophysics is ideal almost all
year round except December and January.
History
Atlin became known as a productive Canadian placer gold camp in 1898, after the discovery by
two prospectors, Miller and McLaren, who found placer gold in paying quantities on Pine
Creek 6 . Later gold seekers found impressive amounts of gold on adjacent creeks, notably
Spruce, McKee, Otter, Ruby, Boulder and Birch Creeks, and lesser amounts on other Atlin area
creeks. Production of placer gold, as determined by Holland (1950) from 1898 to 1946 is
tabulated in Table 2.
Table 2
Gold Production from Atlin Creeks 1898-1946. (Revised for Atlin Project)
Ounces of Gold Produced
1898-1946
Creek Name
Falling within Atlin
Project in part or 100%
See Figure(s) in
appendices
262,603
138,144
67,811
55,272
46,953
20,113
14,729
12,898
15,624
634,147
Spruce Creek
Pine Creek
Boulder Creek
Ruby Creek
McKee Creek
Otter Creek
Wright Creek
Birch Creek
All others, (21 Creeks)
Total
Yes
Yes
No
No
Yes
Yes
Yes
No
2,3,4,5, 6, 8a, 8c, 9a
2,3,4,5, 6, 8a, 8c, 9a
2,5, 6, 8a, 8c, 9a
2,5, 6, 8a, 8c, 9a
2,4,5, 6, 8a, 8c, 9a
2,5, 6, 8a, 8c, 9a
2,5, 6, 8a, 8c, 9a
2,5, 6, 8a, 8c, 9a
Figures 2, 6 & 7 illustrate locations of Minfile historic placer gold producers within in the Atlin
Project and vicinity of the Atlin Project, and tabulated below.
6
Cairns, DD., Paper No. 26, 1910.
Technical Report
14
Table 3
Summary of Placer Gold Producers, Historic and Present within and adjacent to the Atlin
Project. Minfile No
104 N 034
Name
Spruce
Creek
% Creek within
Atlin Project
/Fig#
Placer Mining
Status in 2009
95%
Partly Activemechanized
Commodities
Latitude
Longitude
Deg Min Sec
Deg Min Sec
Placer Gold
59 33 29
133 32 30
Placer Gold
59 35 58
133 31 36
Placer Gold
59 27 53
133 33 30
Placer Gold
59 36 29
133 23 36
Not active,
originally
mechanized
Placer Gold
59 24 05
133 22 42
Not active,
originally
mechanized
Placer Gold
59 36 17
133 21 12
Figs 2,6,7
104N 030
Pine Creek
5%
Figs 2,6,7
104N 035
McKee
Creek
50%
Figs2 ,6,7
104N 032
Otter
Creek,
100%
Figs 2,6,7
104N 041
Wilson
Creek
80%
Fig 2
104N 033
Wright
Creek
55%
Fig 2
A historic summary of Atlin placer creeks, currently within, partly within or adjacent to the Atlin
Project is given below.
Spruce Creek, (Minfile 104N 034)
Spruce Creek, the most productive placer stream, flows northwesterly into Pine Creek about 4
kilometers east of Atlin. Approximately 95% of the creek flows through the Atlin Project claims,
(Figures 2, 6 and 7). The main creek is about 23 kilometers long with two 4-kilometer long
branches at its head. Principal historic workings are in a five-kilometer section near the creek’s
midpoint. Upper parts of the creek have been only marginally productive and local knowledge
suggests that the contrasting qualities of “pay” reflect either a gold source located in the middle
area or that glacial till deposits in that area have been sufficiently re-worked by stream action to
concentrate the gold, whereas upper areas have not been similarly affected.
Spruce Creek placer gold in recent decades has been recovered by hydraulic and mechanized
surface operations but by far the greatest amount of gold was recovered in the early 1900's by
underground mining methods.
Technical Report
15
Pine Creek, (Minfile 104N 030)
Pine Creek, the discovery creek of the district, flows west from Surprise Lake and enters Atlin
Lake about three kilometers south of the town of Atlin. Approximately 5% of the creek flows
through that Atlin Project mineral claims, (Figures 2,6,7). The creek is about 20 kilometers long
and has been mined more or less continuously from 1898 to the present. Operations have
included both traditional sluice box efforts by individuals and very large scale, mechanized
mining operations. Hydraulic mining was successful on this creek and relatively little
underground work was done. Pine Creek is underlain by a belt of variably altered ultramafic
rocks that extends westerly from Surprise Lake to the town of Atlin and that are in fault contact
with the Upper Paleozoic Cache Creek Group. Where encountered in the Pine Creek placer
operation areas, the ultramafics are reported as highly talc and serpentine altered.
McKee Creek, (Minfile 104N 035)
McKee Creek flows west and southwest into Atlin Lake about 14 kilometers south of Atlin, with
50% of the creek channel falling in the Atlin Project mineral claims, (Figures 2, 6 and 7). The
creek is about 12 kilometers long and has been worked primarily in the middle third section of its
length. Hydraulic mining started in 1903 and has accounted for most of the gold production.
Some underground mining was conducted on the creek in the mid 1930's.
Otter Creek, (Minfile 104N 032)
Otter Creek flows north into the west end of Surprise Lake about 17 kilometers northeast of
Atlin. This creek channel lies entirely within Atlin Project mineral claims, (Figures 2,6,7). The
main part of the creek is about 10 kilometers long with a west flowing spur at its southern end.
The creek has been worked more or less continuously since the earliest Pine Creek discoveries in
1898. Production was by hydraulic and underground operations, most of which were located
near the mouth of the creek. Three pay channels were reported: the first on bedrock, the second
10 meters above, and third 20 meters above the second. Like many creeks in the Atlin camp, the
richest pay came from the first 1.8 to 2.4 meters of gravel above bedrock and from a meter or so
of the often highly altered and weathered bedrock itself.
In 1983 to 1984, Standard Gold Mines Ltd carried out an extensive diamond-drilling program in
addition to trenching on Dominion Creek, Figures 6 & 7. Their principal work was directed to a
small hill situated east of upper Dominion Creek where many narrow quartz veins were found
within or adjacent to a carbonatized and silicified Mariposite-rich ultramafic body. Though
narrow these veins returned values as high as 3.95 oz/ton gold 7.
Placer Dome Inc. in 1987 optioned the Dominion Creek property and adjacent areas from the
Surprise Lake Exploration Partnership and conducted a ten hole 1,399.3 metre drilling program
over current Project claim tenures 521595, 521544, 521564, 521564,521562, and claims held by
others to the east, Figure 2. Placer Dome drill targets included:
7
ibid
Technical Report
1.
2.
3.
4.
16
Rant Creek-Dominion Creek NE-SW inferred thrust fault system, including
Strike extensions of known alteration zones
flanks of magnetic highs (Ultramafic bodies)
Breaks and structures interpreted from field magnetic and VLF data.
Faults, quartz veins and sulphide mineralization were intersected in a number of drill holes, but
no economic gold or silver values were obtained. The highest value was 0.63 ppm Au over a 1
metre length of drill core.
Regional Geological Setting
Federal and provincial government geological reports, Minfile data and assessment report
archive system (ARIS) information is available sources concerning the geological setting and
local geology of the Atlin Project. Figures 6 and 7 illustrate locations of Minfile entries and
assessment reports in the vicinity of the Atlin Project.
Much of the following information is taken from Ash, BCDM Bulletin 108, 2001. References
within brackets are those used by Ash.
The Atlin map area is situated within the Atlin placer gold camp in the northwestern Cordillera
of the northern Cache Creek (Atlin) Terrane, Figures 8a, and 8b. It contains a fault bounded
package of late Paleozoic and early Mesozoic dismembered oceanic lithosphere, (Monger, 1975,
1977a b, 1984; Tempelman-Kluit 1979), intruded by post-collisional Middle Jurassic, Cretaceous
and Tertiary felsic plutonic rocks (Wheeler and others 1991, Mihalynuk and others 1992). Mixed
graphitic argillite and pelagic sedimentary rocks that contain minor pods and slivers of metabasalt and limestone dominate the terrane. Remnants of oceanic crust and upper mantle
lithologies are concentrated at the western margin. Dismembered ophiolitic assemblages have
been described at three localities along this margin: from north to south they are the Atlin, (Ash
1994), Nahlin, (Terry, 1977) and King Mountain, (Leaming, 1980) assemblages. Each area
contains imbricated mantle harzburgite, crustal plutonic ultramafic cumulates gabbros and
diorites, together with hypabyssal and extrusive basaltic volcanic rocks. Thick sections of late
Paleozoic shallow-water limestone dominate the western margin terrane and are associated with
alkali basalts. These are interpreted to be carbonate banks formed on ancient ocean islands
within the former Cache Creek ocean basin, (Monger, 1977b).
The ages of the rocks in the terrane are interpreted primarily from paleontological data. Isotopic
age data for oceanic crustal plutonic rocks includes a single U-Pb zircon age of around 245 Ma.
for a peridotite from Cache Creek rocks in the Yukon, (Gordy and others, 1988). Fusilinidbearing limestone range in age from Carboniferous to Late Permian, with Permian faunas
dominating, (Monger, 1975). Radiolarian cherts range in age from early Permian to Late Jurassic
and give the youngest fossil ages. Conodonts give the widest age variation, ranging from
Mississippian to Late Triassic, (Orchard, 1991).
Technical Report
17
Atlin Project Geology
The following five sections are quoted directly from Ash, BCDM Bulletin 108. The regional
geology is shown on Figures 8a and 8b, which are the author’s re-interpretation of
geological mapping data by government geologists 8 .
The geology of the Atlin Project area is divisible into two distinct litho-tectonic elements. A
structurally higher, imbricated sequence of oceanic crustal and upper mantle lithologies termed
the ‘Atlin Ophiolitic Assemblage’, is tectonically superimposed over a lower and lithologically
diverse sequence of steeply to moderately dipping, tectonically intercalated slices of pelagic
meta-sedimentary rocks with tectonized pods and slivers of meta-basalt, limestone, and
greywacke termed the ‘Atlin Accretionary Complex’. Locally these rocks are intruded by the
Middle Jurassic calc-alkaline Fourth of July batholith and related quartz-feldspar porphyritic and
melanocratic dike rocks (Mihalynuk, et al. 1992).
Atlin Ophiolitic Assemblage
The Atlin ophiolitic assemblage comprises an imbricated sequence of relatively flat-lying,
coherent thrust slices of obducted oceanic crustal and upper mantle rocks. Mantle lithologies are
dominated by harzburgite tectonite containing subordinate dunite and lesser pyroxene dikes. The
unit forms an isolated klippe that underlies Monarch Mountain and the town of Atlin, and is
exposed on the northern and southern slopes of Union Mountain. Commonly the basal contact of
the harzburgite unit is pervasively carbonatized and tectonized over distances of several meters
or more.
Oceanic crustal lithologies in the Atlin camp, in decreasing order of abundance, include
metamorphosed basalt, (also andesitic basalts-author) ultramafic cumulates, diabase, gabbro
with meta-basalts dominating. The meta-basalts are generally massive, fine-grained aphanites
and weather a characteristic dull green-grey colour. Locally the unit grades to medium-grained
varieties or diabase. Primary textures locally identified in the meta-basalt include flow banding,
auto-brecciation and rare pillow structures. Although rarely exposed, basalt contacts are
commonly sheared or brecciated zones, sometimes intensely carbonatized. Petrochemical studies
of these basaltic rocks (Ash, 1994) indicate they are similar in composition to basalts of normal
ocean ridge settings and the chemistry also suggests a genetic relationship to the associated
depleted metamorphic mantle ultramafic rocks.
Serpentinized peridotite displaying ghost cumulate textures and sporadically preserved relict
poikilitic texture is suspected to originally be wehrlite. The peridotite forms an isolated thrust
sheet which outcrops discontinuously along a south facing slope of Mount
Munro. Extensive exploration drilling along the base of Mount Munro within the Pine Creek
channel on the Yellowjacket property indicates that the serpentinized body is in structural
contact with meta-basalt rocks along a gently north dipping thrust, (Marud, 1988a, b). The
interface of hanging wall ultramafics and footwall meta-basalts is a zone of tectonic intercalation
Technical Report
18
and carbonatization. Projection of this fault across Pine Creek valley suggests that the
carbonatized and serpentinized ultramafic rocks on the summit of Spruce Mountain represent a
remnant above an extension of the same tectonized and altered basal contact.
Meta-gabbro is the least commonly seen ophiolitic component in the map area. It outcrops on the
northern slope of Union Mountain and along the south-facing slope of Mount Munro. It is
abundant in drill core from the Yellowjacket property along Pine Creek, where it occurs as
isolated pods and lenses within the Pine Creek Fault Zone (Lefebure and Gunning, 1988; Marud,
1988, a, b). On Union Mountain, gabbro occurs along the Monarch Mountain thrust as isolated
dismembered blocks with faulted contacts.
Atlin Accretionary Complex
The Atlin accretionary complex comprises a series of steeply to moderately dipping lenses and
slices of structurally intercalated meta-sedimentary and meta-volcanic rocks that underlie the
southern half and northwest corner of the Atlin camp. Pelagic meta-sedimentary rocks dominate
the unit and consist of argillite, cherty argillites, argillaceous cherts, and cherts with lesser
limestone and greywacke. They range from highly mixed zones with well developed flattened
fabric indicative of tectonic mélange to relatively coherent slices. Individual slices range in width
from metres to several hundred metres. Indications of internal deformation are moderate or
lacking; in a few slices stratigraphy is well preserved. Contact relationships between many
individual units of the complex have not been established due to lack of exposure; however most
are inferred as tectonic. Internal bedding within the individual lenses in places is parallel to the
external contacts, but is more commonly strongly discordant. This argues against simple
infringing of different facies.
A common feature throughout the accretionary complex, particularly in areas of moderate
overburden, is closely spaced outcroppings of different lithologies with no clearly defined
contacts. Such relationships are interpreted to represent areas of mélange in which the exposed
lithologies that commonly include chert, limestone and basalt are more competent than the
intervening, recessive fissile and argillaceous matrix. Such relationships are confirmed where
sections are exposed along road cuts an in areas of trenching.
A review of rocks present as mapped on the surface, and significant structures relevant to
listwanite gold exploration in the Atlin camp are summarized below, and illustrated in Figures 8a
and 8b.
The predominant unit within the Atlin Project is the Mississippian to Triassic Cache Creek
Group consisting primarily of grey argillites, grey cherts to jasper cherts, including andesite,
basalt and meta-andesite basalt, agglomerate varieties, and variable grey shale sediments with
minor light grey limestone. Regionally, the argillites, cherts and shales are sometimes associated
with minor milky and massive quartz veining, or grey to translucent crystalline quartz veining,
which occasionally hosts traces of pyrite, often in cube form. Upper Mississippian to Permian
ultramafic rocks, particularly altered dunite, harzburgite, wehrlite, and peridotite are present,
along with pyroxenite dikes. Occasionally these rocks have been altered by serpentinization,
carbonatization, silicification, and sulphidization to create listwanite sequences.
Technical Report
19
In the northwestern part of the Atlin Project area the Fourth of July Batholith rocks of Jurassic
age are in contact with the Cache Creek Group. These batholithic rocks consist of megacrystic
quartz feldspar monzonites, quartz monzonite and granodiorite. The quartz monzonite can be
recognized in the field by an abundance of smoky quartz, small hornblende euhedra and crystals
of brown sphene that catch the eye. Some outcrops are more alkalic, the potash feldspar
appearing as coarse pink phenocrysts. The Fourth of July Batholith is also host to dark green
lamprophyre dikes.
A suite of felsic, two feldspar quartz porphyritic dikes that are considered to be related to the
Fourth of July Batholith are erratically exposed in the Atlin Project area. They are reported in
Minfiles to occur near gold bearing quartz veins, i.e. Beavis and Anaconda showings.
The
dikes are usually from 0.5 to 2 metres wide, have variable orientations and dip steeply, (McIvor,
1988a).
The Monarch Mountain thrust is defined by BC government geologists as the structural base of
the Atlin Ophiolitic Assemblage 9 . This flat lying thrust marks the contact zone with the
underlying Atlin Accretionary Complex. It is characterized by a zone of tectonic brecciation and
carbonatization, from several metres to tens of metres in width that affects both upper and lower
walls of the thrust. Within this zone slices of ophiolite and the accretionary rocks intermix, and
may be accompanied by alteration and development of listwanite. Although records indicated
this thrust fault zone has been selectively drilled in the past, it is recommended that Blind Creek
Resources Ltd. explore this thrust zone by conducting further diamond drilling.
Government geologists interpret the Pine Creek Fault to be a high angle east-northeast trending
structure, which parallels Pine Creek and extends easterly to the Yellowjacket project. This fault
is reported to be 50 metres to 70 metres in width, and according to Yellowjacket workers is
closely associated with in-situ gold mineralization 10 .
The Surprise Lake batholith of Cretaceous age lies east of the Atlin Project and is abundantly
exposed in the region of Surprise Lake. The batholith comprises coarse to fine grained alaskite,
with quartz-eye aplite derivative dikes. These alaskite rocks and derivatives, depending on
location, host trace and larger amounts of molybdenum, tin, tungsten and uranium, and where
alaskite rocks are present as dykes may exhibit high background contents of gold and silver.
Regional and local faulting (author note: often seen on aerial photographs/satellite imagery as
lineaments) is present within the Atlin Project area and is deemed to have played a significant
part in the ground preparation for formation of listwanite-hosted lode gold deposits that in turn
contributed gold to the Atlin area creeks.
Atlin Pleistocene Surface Gravels, with Placer Gold Implications.
The Atlin Project is challenged by the fact that most of the project area, notably the Otter Creek
and Spruce Creek areas are covered by more than 95% overburden, only some 5% outcrop being
present. Lacustrine gravels, reported up to 25 metres thick as determined by water well and other
9
Ash, 1998, 2001
Ash, 1998, 2001
10
Technical Report
20
types of drilling, overlie important drill target areas in the regions of lower Pine, Spruce, and
Otter creeks. Glacial tills of variable thickness cover the upper reaches of these creeks, including
Dominion, Rant, Wilson and Upper McKee Creek.
Glacial till and/or stream-lacustrine gravels greatly frustrate prospecting efforts to locate the
gold-bearing source rocks that almost certainly are present. Similarly, geochemical sampling of
the gravels is not considered to be a productive method of locating buried gold deposits, and this
survey avoided sampling such gravels.
Given the fact that many creeks which drain the Atlin Project tenures have yielded placer gold, a
brief description of the gravels is appropriate:
1)
South of Spruce Creek, within Dominion Creek and upper tributaries of Lena Creek,
McKee Creek and Wilson Creek (Figure 2), glacial till gravels overlie the lower and
medial valley slopes, whereas fluvioglacial-lacustrine gravels lie within the post-glacial
lower channels of Otter Creek. Glacial gravels are estimated to be between 5 and 30
meters thick in the southern part of the claim group, and glacial stream-lacustrine gravels
are up to 30 meters thick in the lower portion of Otter Creek. 2) Examination of gold
nuggets from Feather Creek, (Figure 2) indicates some nuggets host rusted crystalline
grainy quartz fragments 1mm-2mm long, some of which appear to be small worn quartz
crystals. Also, many Feather Creek area gold nuggets have delicate crystalline forms,
suggesting that there is a proximal source in which, speculatively, gold was lodged in
crystalline, vuggy quartz veins. That appearance is in contrast to the stream gravels that
exhibit milky and grey quartz without much, if any, crystalline quartz. Placer gold
nuggets from Snake Creek are sub-rounded and do not appear crystalline. Gold nuggets
from Snake Creek and Eagle Creek which lies to the east are reported to be associated
with surface glacial gravels, suggesting soil creep from a higher bedrock source.
2)
Satellite imagery and field observations of mountain ranges, valleys and gullies within the
centre of the Atlin Project area reveals a pattern of strong faulting preserved in the Cache
Creek rocks. Such tectonic activity may have served to create ideal ground preparation
for the introduction of lode gold. This faulting and ground preparation is conjectured to
be a consequence of the intrusion of the Cretaceous age Surprise Lake Batholith to the
northeast. Further conjecture may relate that event to cassiterite signatures found by Sack
and Mihalynuk 11 on placer gold from the Feather Creek area.
Mineral Deposit Type
Mineral deposits sought in the Atlin Project include mesothermal gold-quartz veins; shear hosted
lode gold, and low sulphide gold quartz veins associated with ultramafic bodies featuring
listwanite alteration.
Listwanite is an ophiolitic assemblage that features carbonatization, silicification, quartz veins,
and gold-silver, (also as electrum, i.e. Imperial property) which commonly has variable but trace
11
Sack and Mihalynuck, 2003
Technical Report
21
amounts of chalcopyrite-arsenopyrite-stibnite-galena-sphalerite-pyrite. Mariposite, a distinctive
greenish chrome-mica mineral, is a common diagnostic component.
The following are exploration models can be applied to the Atlin camp:
In the US Cordillera, it is noted that mineralized quartz veins in the Mother Lode District of
California deposits, including the Grass Valley and Alleghany gold camps, are associated with
serpentinite bodies and that the largest concentrations of free gold occur at or near the
intersection of veins with carbonatized ultramafic rocks.
The Mother Lode District of California consists of some twenty mines within a belt 120 miles
long and a mile wide, which saw the production of US$300,000,000.00 in pre-1945 dollars 12 .
There are at least six deposits within the camp associated with listwanite rocks. The AlaskaJuneau gold deposits of South East Alaska (3.5 million ounces hard rock gold) also exhibit
listwanite rocks intercalated with mafic volcanic rocks 13 .
Within the Canadian Cordillera, Bralorne (4 million ounces) and Barkerville placer gold camp (3
million ounces placer gold, 1 million ounces hard rock gold) have similar geology to the AlaskaJuneau gold deposits. Other camps with ultramafic geology include Cassiar, and Rossland 14 .
Within the Atlin camp, the geology shows spatial relationships similar to the above-noted gold
areas, although it is surmised much of the gold from Atlin deposits has been shed into creeks. As
is frequently the case, the best pathfinder indicator of gold in the Atlin District is gold itself but
the source or, more likely, sources have not been well defined.
Figure 8c attempts to show his interpretations of the source of Atlin placer gold, its direction of
shedding, while the Monarch Mountain thrust and the Pine Creek-Surprise Lake ophiolite zones
still being key areas to explore by drilling.
Mineralization
The predominant mineral of interest in the Atlin Camp is placer gold, and it is estimated that
much more than 1,000,000 ounces have been produced from creeks east of Atlin over the past
110 years. From 1,000 to 5,000 ounces of placer gold is estimated by the author to be currently
produced seasonally from selected Atlin Creeks, and during the late 1970’s to late 1990’s placer
gold production from the camp is estimated to have been much higher.
Gold nuggets may range from smaller than match head size up exceptional nuggets of 36 ounces.
During 2009 season two gold nuggets found by a metallic detector on upper Otter Creek are
reported to be in the 58 and 62-ounce range.
12
Bateman, 1959
Ash, C.H, 2003
14
ibid
13
Technical Report
22
Nuggets can be flattened, rounded, irregular, and semi-crystalline to crystalline. Colour of gold is
variable from creek to creek, and placer miners are quick to indentify source. These nuggets
invariably encapsulate coarse grains of quartz, magnetite or other rock grains.
The reported best pay channels found within the placer creeks are generally just above bedrock,
but in many cases gold can be within the cracks and fissures in the upper one metre of bedrock.
Otter Creek has a reported three pay horizons, one on bedrock and two upper ones several metres
apart 15 .
Spruce Creek has two pay horizons, one on bedrock or just above, with the second pay horizon
up to 10-15 metres above bedrock. According to Atlin placer miners, the lower horizon gold is
from Dominion Creek, while some of the upper horizon gold is from Otter Creek 16 , having been
moved around during local interglacial (Wisconsin) periods.
Atlin had never been known as a hard rock producer of gold until August 2009 when the
Yellowjacket small-scale gold mine was commissioned.
There are numerous reported gold showings in the Atlin camp, but only a few produce repeatable
gold values of merit. Minfile data on the Atlin camp tends to provide ‘best sample’ hard rock
analytical returns, enhancing the overall prospectively of the camp. Duplicating Minfile hard
rock sample returns were found, an event that rarely happens.
According to the author, Yellowjacket and the GV-Shuksan (LD Property) are the two hard rock
gold properties within the Atlin camp, which are considered to be of merit.
However, gold occurrences in the Atlin camp, even those of little merit indicate a relationship to
ultramafics, Cache Creek rocks, quartz veins, listwanites, carbonatization, thrust faulting and
normal faulting.
Mineralization is gold and silver, or electrum. Gold can occur freely. It can also occur in
association with minor pyrite, chalcopyrite, argentiferous galena, and sphalerite. If minor
chalcopyrite is present, invariably minor malachite and or azurite is present. However, all these
accessory minerals can occur together or individually without gold, silver or electrum.
Geochemical pathfinders to Atlin gold showings can include the forgoing minerals, as well as
arsenic and antimony.
Other minerals of economic interest in the Atlin camp besides gold are silver, magnesite and
molybdenum 17
15
Atlin placer miners, pers.com. 2008/2009
Archie Wiggins, Atlin placer miner, pers.com. 2009
17
Atlin Ruffner Silver, Ruby Creek Molybdenum , Atlin Magnesite
16
Technical Report
23
Source of Placer Gold 18
Figure 8c attempts to indicate the source areas of placer gold with arrows suggesting channel
ways of shedding, with the opposite end of the arrow pointers suggesting bedrock areas still
having potential to host gold.
It is widely accepted that the source of the abundant placer gold won from the Tertiary and
Quaternary placer gravels lies in the strongly altered ultramafic rocks of the Atlin ophiolitic
terrane. 19
The two most productive gold creeks in the Atlin camp are Pine Creek and Spruce Creek. On
the basis of existing drainage patterns and pay gravels within Pine Creek one can surmise that the
source of the placer gold was the ultramafic bodies of Pine Creek, upper Snake Creek, (ReSurprise Minfile and the Lakeview Minfile-Figures 6 and 8c). A 1 meter wide quartz vein at the
Surprise showing on upper Snake Creek is believed by Aspinall 20 to be displaced by the Pine
Creek Fault to the Lakeview property, where the same quartz vein continues north on the West
side of Boulder Creek valley, then trends Northeast to Ruby Mountain and crosses Ruby Creek.
(One can also surmise Ruby Creek placer gold sourced to the same quartz vein). Remnant
ultramafic wedges in the upper Snake Creek area are apparently related to the ultramafic body on
Pine Creek and it is possible that a thrust sheet, now eroded, has separated them.
Geological field examinations, assessment report data, and discussions with placer miners active
on Spruce Creek, lead to the conclusion that a lower pay horizon in that creek
came from Dominion Creek, while an upper pay horizon can be, judging from the visual
characteristics of the gold, sourced to Otter Creek. 21
By deduction and extrapolation, it can be surmised that isolated shallow ultramafic wedges and
associated Cache Creek rocks and lineaments such as those on upper Snake Creek, Dominion
Creek, (including the LD property) Wilson Creek and McKee Creek, are likely original source
zones that contributed much or all of their gold to the Atlin placer deposits, and that the larger
ultramafic bodies in the Monarch Mountain-Pine Creek-Surprise Lake zone remain the most drill
prospective for the location of deeper, bedrock gold deposits (Figure 8c).
Based on observations of isolated feldspar-phyric dike rock within the Yellowjacket property,
Ash believes the dike rock is coeval with gold emplacement and that, its dislocation indicates
that the gold pre-dated the Pine Creek fault action, (Ash, pers. comm. 2008).
The broad dispersion of placer gold in the present valleys of Pine Creek and McKee Creek
suggests that the fault systems contributed to movement of the gold into the present placer
environments. Similar faults may have acted in the same way on Birch, Boulder, Casino and
Ruby Creeks.
18
19
Ash, Bulletin 108, 2001
Aitken, 1959 and others.
Pers.com. with Prospector Ron Granger, Yukon Revenue, Whitehorse, 1980’s.
21
Pers.com. Archie Wiggins of Atlin, 2009.
20
Technical Report
24
Exploration
Previous Surface Exploration carried out by Blind Creek Resources Ltd on the Atlin Project
Aspinall was responsible for conducting the 2005 and 2008-exploration work on the Atlin Project
property and continues to provide supervision of 2009 and 2010-assessment work. Aspinall has had
an exploration base in Atlin since 1966 and is therefore familiar with the project area and its
geology.
During 2006 and 2007, other workers carried out assessment exploration work, and original data
included in this report for those periods was provided by BCR, BCR’s geological contractors,
consultants, prospectors and Alex Stewart Laboratory in Kamloops, BC.
Between September 2008 and June 2009, magnetometer reconnaissance surveys, were carried
out in seven selected areas within the Atlin Project area Figure 9a.
Aspinall conducted the 2008 magnetometer reconnaissance surveys and supervised the 2009
surveys. These surveys were designed as reconnaissance quality attempts to search for possible
non-outcropping sub-surface satellite ultramafic bodies located in proximity to those that are
exposed on surface and in placer “diggings”. Due to the reconnaissance nature of the magnetic
survey operations, they did not include a recording base station magnetometer, and often did not
include base station checkpoints.
The magnetic surveys supported geological interpretations, (partially based on past diamond
drilling by others) that Atlin placer gold within the Atlin Project area was sourced from valley
slopes west of Upper Otter Creek and Dominion Creek, Figures 6 &7 Ultramafic and listwanite
rocks found in those regions, (their existence previously known), are considered by Aspinall
(pers. comm. 2011) to be remnant deeper roots, wedges and slices of previous larger ultramafic
bodies. The magnetometer surveys also supported the fact that ultramafic and listwanite rocks
likely exist below glacial lacustrine sediments within the Atlin airport area immediately north of
Monarch Mountain, Figure 4. That area is believed to underlie part of the major thrust fault north
and northeast of Monarch Mountain, and part of a major fault following Pine Creek valley,
Figures 8a and 8b.
Due to thick glacial till cover, especially in valley areas, soil geochemical surveys are not
considered ideal.
Drilling
Previous Blind Creek Resources Ltd funded diamond drilling in the Atlin area.
The objective of the Company is to track new hard-rock gold prospects within the Project area,
albeit under the predominant glacial till, primarily using information gathered from diamond
drilling. Selection of drill targets are based on knowledge of placer creek drainages, gold nugget
studies, glacial geomorphology, geology and ground magnetics.
Technical Report
25
During the fall of 2005 and during August-September 2007 diamond drilling was carried out on
Upper Snake Creek and lower Otter Creek respectively (Figures 2,6,10,11).
The 2005 program was supervised by Aspinall, and included six diamond drill holes drilled from
two locations. The drilling program was designed to intercept geological contact zones between a
carbonate-mariposite altered ultramafic wedge system and andesite rocks (Figure 10). One
surface quartz fragment found in the immediate vicinity of collar BCR-05-4, BCR-05-05 and
BCR 05-06 assayed 6.55 Au g/t and 92.3 Ag g/t. At the end of the program the drill sites were
reclaimed and 2” by 4” posts were suitably marked and positioned to preserve the locations of
drill holes.
Summary of 2005 Program Drill Holes (Figure, 2, 6, 10)
Site #1 was at:
08V 588807 E; 6607414N
NAD CANADA 27
Diamond Drill Holes from this site are:
1. BCR-O5-01, dip -60 deg; azimuth 90 deg E, depth 20.21 m
2. BCR-05-02, dip -75 deg; azimuth 90 deg E, depth, 32.00 m
3. BCR-05-03, dip -90 deg, depth 41.45m
Site #2
08V 588670 E; 6606700N
NAD CANADA 27
Diamond Drill Holes from this site are:
1. BCR -05-04, dip -60 deg, azimuth 90 deg E, depth 65.53 m
2. BCR -05- 05, dip -75 deg, azimuth 90 deg E, depth 59.74 m
3. BCR-05-06, dip -90 deg, depth 29.26 m
Drilling totaled 249.19 metres and almost the entire NQ-size drill core was logged and sampled
for analysis. Although traces of gold were intercepted, no economic gold values were obtained. It
is now believed that this drill program was directed to an ancient gold- bearing root system
dislodged by a thrust fault located south of Pine Creek, and that all gold that may have been
lodged in the system has now been shed into adjacent Snake, Otter and Pine creeks. Drill hole
findings are summarized in Figure 9. Drill cores are lodged at an industrial lease that Aspinall
maintains near the Atlin airstrip.
The 2007 drill program, conducted on Lower Otter Creek included two locations. The author did
not manage the program, and when the site areas were examined in 2008 and 2009, no markers or
drill collars that would indicate the precise location of holes could be found.
Technical Report
26
Summary of 2007 Program Drill Holes (Figures 2, 6, 11)
Site #1
08V 590128 E; 6611248 N
NAD CANADA 83
Three holes were attempted from this site but were aborted at around 15 metres depth, due to casing
and overburden problems.
Site#2
08V 590440 E; 6610402 N
NAD CANADA 83
1.
2.
3.
4.
DDH BC-07-04, -60 deg, azimuth 070 NE, depth 244.13 m
DDH BC-07-05, -60 deg azimuth 250 SW, depth 152.7 m
DDH BC-07-06, -90 deg, azimuth n/a, depth 193.84 m
DDH BC-07-07, -45 deg, azimuth 070 NE, 153.92 m
Similarly to the 2005 drill program, traces of gold are present in 2007 core, which can be interpreted
as remnant roots or indications of a proximal gold system. The 2007 drill core is also lodged on
Aspinall’s airstrip lease.
Summary of 2009-2010 Blind Creek Resources Ltd Drill Program Parts 1 and Part II, (Figures
2, 3, 6 12-18)
Due to three separate stages of diamond drilling during 2009 and 2010, the programs were
subdivided into Parts I, II &III. Statistics for drill holes for Part I, Part II & III are summarized in
Table 4 on the following pages.
Table 4
BCR Atlin Drill Program Part I, Part II & Part III
Part I
Part
II
BCR Part I, II & III Diamond Drill Program on Atlin Project;30th September 2009 to 5th June 2010 (Datum NAD 83)
Elev.
Date
Date
DDH ID
Easting Northing Area
Tenure# Azim Dip M
Start
End
Depth M
06-Oct07-OctBCR-1-09 575474 6605577 Atlin A/P
521603
0 -90
719
127.13
09
09
521603
0 -90
725
09
09
41.76
521603
180 -50
725
09
09
77.42
521603
0 -50
725
09
09
59.44
521603
0 -90
720
109.19
09
09
521603
0 -50
720
09
09
69.54
BCR-7-09
575924
6605823
Atlin A/P
521603
180
-50
720
BCR-8-09
575850
6605998
Atlin A/P
521603
0
-90
731
21-Oct09
23-Oct09
23-Oct09
24-Oct09
108.81
50.909
Technical Report
Part
III
27
BCR-9-09
BCR-1009
BCR-1109
BCR-1209
BCR-1309
BCR-1409
BCR-1509
BCR-1609
576170
6605817
Atlin A/P
521603
0
-90
722
576170
6605817
Atlin A/P
521603
180
-50
722
576170
6605817
Atlin A/P
521603
0
-50
722
590230
6610404
Otter Cr
521545
0
-90
991
590230
6610404
Otter Cr
521545
0
-50
991
590230
6610404
Otter Cr
521545
90
-50
991
590612
6609431
Otter Cr
521545
90
-50
1014
590612
6609431
Otter Cr
521545
0
-90
1014
BCR-1-10
576306
6605666
Hydroplant*
521603
0
-90
735
BCR-2-10
576306
6605666
Hydroplant
521603
0
-50
735
BCR-3-10
576306
6605666
Hydroplant
521603
180
-50
735
BCR-4-10
576306
6605666
Hydroplant
521603
180
-70
735
BCR-5-10
576306
6605666
Hydroplant
521603
135
-70
735
BCR-6-10
576306
6605666
Hydroplant
521603
225
-70
735
BCR-7-10
576306
6605666
Hydroplant
521603
135
-50
735
BCR-8-10
594700
6604114
Otter- Casino Break
521594
90
-70
1388
BCR-9-10
BCR-1010
BCR-1110
594700
6604114
Otter- Casino Break
521594
90
-50
1388
594700
6604114
Otter- Casino Break
521594
150
-50
1388
594981
6605409
Otter- Casino Break
521594
90
-60
1426
Total
24-Oct09
27-Oct09
30-Oct09
05-Nov09
10-Nov09
20-Nov09
26-Nov09
05-Dec09
30-Mar10
06-Apr10
13-Apr10
27-Oct09
30-Oct09
03-Nov09
10-Nov09
20-Nov09
25-Nov09
04-Dec09
08-Dec09
05-Apr10
13-Apr10
14-Apr10
15-Apr10
18-Apr10
22-Apr10
27-Apr10
23-Ma10
28-Ma10
30-Ma10
03-Jun10
18-Apr10
22-Apr10
27-Apr10
29-Apr10
26-Ma10
30-Ma10
01-Jun10
05-Jun10
90.37
106.38
245.34
148.133
144.78
161.54
153.92
104.24
203
117.35
132.59
267
270.05
108.51
68.88
153.62
50.29
123.14
73.76
3,367.09
Note: Atlin A/P =Atlin Airport Area
Hydroplant = Atlin Hydropower Plant
Otter-Cassino =Upper Otter Creek
All drill core lengths were converted from feet into metres during core logging.
The objective of DDH# BCR-01-09 was primarily to test for gold associated with listwanites
associated with the relatively flat lying Monarch Mountain thrust. This drill hole was also to test
for any gold associated with Atlin Ophiolite Assemblage, and the Atlin Accretionary Complex,
outlined in previous sections.
Drill site location of BCR-01-09 was influenced by BCR tenure boundaries, access to water
supply with drill access limited to existing trails.
Drill Holes BCR-02-09 to BCR-11-09 were a continuation of close space holes eastwards
towards Spruce Creek, just east of Atlin airport.
Drill Holes BCR-12-09 to BCR-14-09 were located and drilled near Otter Creek in an attempt to
intersect the Otter Creek Fault. Drill holes BCR-15-09 and BCR-16-09 were drilled further up
Otter Creek and discussed under the Part III program below.
Technical Report
28
Discussion of Drill log BCR-01-09 to BCR-14-09, Blind Creek Resources Ltd Drill Program
Parts 1 and Part II:
Part I drilling program was reported in a separate report on 30th November 2009 (Event 4380555),
and part II drilling program was reported in a separate report on 20th February 2009 (Event
4408671). However they are summarized here for completeness.
The Monarch Mountain thrust within the assumed region of the Pine Creek Fault was the main
focus of drill program, Parts I and II, with a secondary focus on the Otter Creek Fault 20
kilometres further the East.
In the first case, the drilling program involving drill holes BCR-01-09 to BCR-11-09 (Figures 1216) were a follow-up of the 1987-1988 drilling by Homestake Mineral Development Company. 22
In 1988, that company reported the completion of 5 drill holes amounting to 600.3 metres. These
holes were concentrated on the former Porsche Claim, and adjacent Millionaire, Goldstar 1 and
Goldstar 2 and Anna 1-8 claims, within an area referred to as the Heart of Gold., (Assessment
Report 17997, Figure 7). This area is located approximately a kilometre to the southeast. In the
second case, this program was also influenced in location selection by the 1991 drilling program on
the Pictou Property, (Ref: A/R 21869). 23
Drill holes BCR-12-09 to BCR-14-09 (Figures 17, 18) were focused on Otter Creek, primarily
trying to intersect the Otter Creek Fault, particularly following up of 2005 and 2007 BCR drilling
programs as well as exploration work by Ezekiel Explorations Ltd.
Diamond Drill hole BCR-01-09 to BCR-11-09 were designed to drill through the Monarch
Mountain thrust zone. Geologically, the Monarch Mountain thrust is interpreted to be a relatively
flat lying and undulating fault zone. 24 This basal thrust fault is characterized by government
geologists as a zone of tectonic brecciation and carbonatization with intermixed slices of
ophiolite and accretionary rocks. The Monarch Mountain thrust projects northwesterly below
Monarch Mountain, the Atlin airport area and the community of Atlin itself.
The lower portions of this thrust, immediately below the zones of listwanite alteration, are
considered by Aspinall to be prospective for lode gold.
All drill core lengths were converted from feet into metres during core logging.
Drill holes BCR-01-09 to BCR-11-09 where drilled from 5 sites, with up to 3 drill holes from each
site. Drill holes BCR-01-09 and BCR-08-09 were restricted to one vertical hole per drill site, while
three holes were drilled from each of the other three sites. These holes included one vertical, one -50
degrees North and one -50 degree South. These 5 sites were drilled just east of the Atlin Airport
area extending 727 metres from west to east, in the region where the Monarch Mountain thrust thins
upwards to surface, and proximal to the Pine Creek Fault. (Ref: figure18)
22
MCivor D., and Murton, Jeff D., and others, A//R 17997.
Livgard, Egil, 1991.
24
Ash, 2004 and others
23
Technical Report
29
BCR-01-09 to BCR-11-09 encountered gumbo till conglomerate 9.49 metres thick down to 41
metres thick depicting ancient glacial lake bottom sediment. This conglomerate is clay rich and hard
allowing for retrieval as core, but breaks down when wet. This gumbo till was analyzed in onemetre sections but failed to indicate anomalous gold.
Bedrock was encountered in these 11 holes ranging from 15.85 metres, to 38 metres below surface.
Peridotite of the Atlin Ophiolite Assemblage lies below the gumbo till conglomerate, and above the
Monarch mountain thrust zone. At these locations rock type variably exhibits faulting with a
distinctive clay gouge upper interface. This upper interface was difficult to drill causing vertical
holes BCR-04-09 and BCR-08-09 to be abandoned. Angle holes (-50 North or -50 South)
penetrated this gouge zone with less difficulty.
Elsewhere, the peridotite ranges to be fine grained to massive, is dark green in colour, with traces of
carbonate fracture fill. This rock visually grades into pyroxenite Faulting and shearing is also
present.
Faulting within the peridotite and pyroxenite is variably associated with quartz carbonate flooding
with localized quartz veins, with traces of mariposite and chlorite alteration. A listwanite zone lies
deeper some 60 metres below the surface, and generally marks the contact with the Atlin
Accretionary Complex.
Typically, the listwanite zone is tan to pale yellow grey in colour, exhibiting a progressively
brecciated and bleached ultramafic rock with minor chlorite and mariposite. Breccia and quartz–
carbonate vein stockworks are present, with trace pyrite, as well as evidence of faulting. Drilling
indicates the Atlin Ophiolite Assemblage in these drill sections ranges from 10 metres thick to 54
metres thick
Below the Monarch Mountain thrust zone the Atlin Accretionary Complex prevails. This zone can
be intersected anywhere from 25 metres to 70 metres below surface, at these drill localities. The
complex sequence varies between andesite, metabasalt, chert, metasediments and shear zone
mylonites, the latter interpreted as influenced by the overlying Monarch Mountain thrust. Dike
rocks such as feldspar porphyry, mafic rock and diorite and diabase are localized in this complex.
The bottom of the Atlin Accretionary Complex in this region is unknown.
Special mention needs be given to DDH BCR-11-09. The Atlin Ophiolite Complex is only 5 metres
thick in this section, (Figure 16). The main section is logged primarily as variable metabasalts.
Diorite dikes and sections of granodiorite rock were intersected in this sequence. Listwanite
alterations zones within the Atlin Accretionary Complex, (including diorite dikes) are more frequent
in this hole than encountered to date and is the only hole drilled in the Part II drill program showing
anomalous gold sections, albeit narrow sections.
Drill holes BCR-12-09, BCR-13-09 and BCR-14-09, (Figures 17-18) were drilled in lower Otter
Creek, from one site. One vertical hole was drilled, a second at -50 degree hole azimuth North, and
a third at -50 degree azimuth 45 Northeast. These holes encountered an upper section of diorite
before drilling through just over 60 metres of talc- (carb)-magnesite ultramafics, before
Technical Report
30
encountering a series of Cache Creek variable volcanics and sedimentary rocks associated with
gabbro-diabase, and in one instance peridotite. These rocks did not look favourable and the drilling
further in this zone was discontinued, signaling the end of Part II of the drill program so as to file
assessment report requirements before 9th December 2009.
Summary of 2009-2010 Blind Creek Resources Ltd Drill Program Part III, (Figure 2, 3, 6, 1925).
The following drill program Part III is summarized below. Drill logs and analytical data are located
in Appendix A. Statistics for the Part III programs are summarized in Table 6, above.
Discussion of Drill Holes BCR-15-09, BCR-16-09, BCR-1-10 to BCR-11-10, (Figures 3, 6, 9a,
12-25).
Drill holes BCR-15-09 and BCR-16-09 were drilled from a single location on Otter Creek,
approximately 1 km south of previous BCR-12/14-2009 drill sites, in an attempt to intersect the
Otter Creek fault and the reported listwanite assemblage reported by Dandy (1987), on the east
side of Otter Creek. Although the fault zone was intersected and listwanite sections were
intersected, none of the core samples returned encouraging gold results. Best analytical results
from these two holes include:
•
Several narrow, weakly anomalous returns (40 to 110 ppb Au), associated with strong
silica-carbonate-fuchsite alteration and/or quartz veinlets associated with quartzite.
Drill holes BCR-1-10 to BCR-7-10 were drilled from a single location just west of the
hydroplant, close to the intersection of Spruce and Pine Creeks (Figures 3, 6). This location is
approximately 200 meters southeast of the drillpad location for holes BCR-09-09 to BCR-11-09.
The target was the Monarch Mountain Thrust Zone, and particularly listwanite or other
mineralization/alteration in the Atlin Accretionary Complex located below the thrust zone. All of
the holes encountered strongly altered, sheared and faulted rocks in proximity to contacts
between ultramafic rocks, intermediate dikes and volcanic and sedimentary rocks of the Atlin
Accretionary Complex. Best analytical results from these seven holes include:
•
BCR-1-10 returned a 0.63 meter intersection of 1.15 gpt Au, 11.4 ppm Ag from near the
bottom of the hole. It was from strongly quartz-carbonate-clay-sericite altered mafic flow
breccia proximal to two quartz veinlets containing clotty pyrite;
•
BCR-2-10 returned several intersections including: a 1.00 meter intersection of 350 ppb
Au, & 2.8 ppm Ag in intensely silicified ultramafic breccia; a 2.84 meter intersection of
575 ppb Au, 1.4 ppm Ag in strongly silica-carbonate altered with quartz veinlets
intermediate dike; a 0.50 meter intersection of 1.39 gpt Au, 14.5 ppm Ag in brecciated
mafic flow breccia hosting a wormy, pyritic quartz veinlet.
•
BCR-5-10 returned a 1.64 meter intersection of 235 ppb Au, in clayey fault gouge within
silica-carbonate altered ultramafic;
Technical Report
31
•
BCR-7-10 returned a 1.27 meter intersection of 310 ppb Au in chalcedonic quartz
flooded, strongly clay-carbonate-silica altered ultramafic breccia.
•
Drill holes BCR-8-10 to BCR-11-10 were drilled from two locations located near the
headwaters of Otter Creek, in an attempt to intersect any mineralization/alteration
associated with the south-western extension of a fault interpreted by B.C Government
geologists, Lefebure and Gunning (1989), to underlie Casino Creek (a fault herein
referred to as the Casino Break). All of these holes drilled through finer grained pelagic
metasediments, including cherts and strongly graphitic and weakly sheared argillites.
•
Holes BCR-8-10 and BCR-10-10 did not intersect the fault zone, while BCR-9-10 was
abandoned in a fault zone (due to poor water pressure), and BCR-11-10 drilled through
the fault zone. No significant mineralization or veining was encountered, and none of the
core samples from these holes returned anomalous results. Table 8 summarizes the core
samples tested in Part III drill program on flowing page.
Sampling Method, Preparation, Analysis, & Security
Procedures
After core logging, selected core one metre length samples were split by manual core splitter and
bagged in corresponding one-metre sections and given a pre-assigned identification (ID) number.
All samples were kept under the supervision of N. Clive Aspinall, P.Eng, a qualified person, and
transported directly to the Alex Stewart Group (Eco Tech) sample preparation laboratory,
Macdonald Road, Whitehorse, Yukon Territory. Pulp Samples were then forwarded under the
laboratory’s supervision to the main laboratory, with address at 10041 Drive, Kamloops, British
Columbia, for final analysis.
Geochemical Gold Analysis
Core samples are 2 stage crushed to minus 10 mesh and a 250 gram subsample is pulverized on a
ring mill pulveriser to -140 mesh. The sub-sample is rolled, homogenized and bagged in a prenumbered bag.
The sample is weighed to 30 grams and fused along with proper fluxing materials. The bead is
digested in aqua regia and analyzed on an atomic absorption instrument. Over-range values for
rocks are re-analyzed using gold assay methods.
Appropriate reference materials accompany the samples through the process allowing for quality
control assessment. Results are entered and printed along with quality control data (repeats and
standards). The data is faxed and/or mailed to the client. Samples over 1000 ppb Au and 30 ppm
Ag are assayed.
Technical Report
32
Multi Element ICP Analysis
Samples are catalogued and dried. A 0.5 gram sample is digested with 3ml of a 3:1:2 (HCl:
HN03:H20) solution, which contains beryllium and acts as an internal standard for 90 minutes in a
water bath at 95°C. The sample is then diluted to 10ml with water. The sample is analyzed on a
Jarrell Ash ICP unit.
Results are collated by computer and are printed along with accompanying quality control data
(repeats and standards). Results are printed on a laser printer and are faxed and/or mailed to the
client.
Security
All drill core was transported from each site to Atlin airport industrial area for logging and
sampling daily. Due to winter conditions, core was logged inside a heated workshop, which was
locked each night. After logging, sections of core were selected for sampling and identified by
duplicate pre-numbered paper tags. These sections (generally 1 to 1.5 meters in length) were split
by a manual splitter and individually bagged in heavy duty polyethylene bags, zip locked and
labeled according to the appropriate pre-numbered tag. Bagged samples were then re-packed in
rice bags, zip locked and addressed. All samples were kept locked overnight in the shop and
under the author’ supervision, before being transported by road under the author’s supervision to
the Alex Stewart Eco Tech sample preparation laboratory, MacDonald Road, Whitehorse, YT. In
the author opinion, the sampling procedures used for core sampling on the Atlin project are
appropriate and meet industry standards. Submitting blind duplicates and standards should be
incorporated in future drilling programs.
Data Verification
Site Visit
In preparation of this report, in accordance with NI 43-101 guidelines, the author, an
Independent Qualified Person, visited the Atlin Property on January 13, 2011. The scope of the
visit included confirmation of access, evidence of historical exploration, confirmation of recent
exploration work carried out by BCR and collection of independent samples.
During and following his visit, Mr. Al Doherty (an Independent Qualified Person) was given full
access to project data, and time exploration and data gathering practices employed by the
Company’s personal were reviewed.
Company’s reports were also provided by N. Clive Aspinall in hard copy and digital format to
the author. In the opinion of Mr. Al Doherty the electronic data and hard copy data is reliable and
documented.
Technical Report
33
Re-sampling
On January 13, 2011 R. the author visited the site and re-samples two sections of 2009-2010
Atlin Project diamond core. Samples were submitted by Mr. Al Doherty to Acme Analytical
Laboratories Ltd., for gold fire assay and a 32 element ICP analyses a comparison of these check
assays with the original results is given in Appendix B. The results confirm the original values
received. The author noted no blanks, standards or down hole tests had been included in the BCR
drilling operations. Reasons given by Aspinall was that all drilling operations to present had been
of exploratory nature only.
Based on his experience, qualifications and review, the author is of the opinion that all work
programs conducted on the Atlin Project have been conducted in a professional manner and the
quality of data and information produced from the efforts meet or exceed acceptable industry
standards. Much of the data has undergone thorough scrutiny by BCR staff as well as certain
data verification procedures by the author.
Adjacent Properties
No important historic hard-rock prospects with traces of gold mineralization fall with the
boundaries of the Atlin Project itself. However, seven adjacent and historic gold prospects
situated outside the Project boundaries are listed below. Because the geology of the Project area
and surrounding terrain it is similar, it is hoped similar prospects will be found inside the Project
boundaries, albeit perhaps underneath the pervasive tills that cover the area.
Information on these seven gold prospects is sourced from BC Minfiles, company assessment
reports, company news releases on web sites and private archives.
• Yellow jacket Property (Minfile 104N 043)
• GV-Shuksan (Minefile 104N/104N 098) also known as the LD property
• Lakeview (Minfile 104N 009) & Whitestar (Minfile 104N 010)
• Imperial Mine Property (Minfile 104N 008)
• Beavis (Minfile 104N 007)
• Pictou (Minfile 104N 044)
The Yellowjacket, LD, Lake View and Whitestar, Imperial mine, Beavis and Pictou are the most
significant prospects adjacent to the Atlin Project given reported gold and similar geology to the
Atlin Project, and discussed in more detail below. Descriptions below are taken directly from
Dandy 2005 and Dandy 2007, with citations after Troup and Wong, 1984, and Aspinall
2004,2005,2006,2007 and 2008 in addition to Minfiles.
1)
Yellowjacket Geology (Minfile 104N 043).
At the time of writing the Yellowjacket property, (Figure 5) could be the most significant smallscale lode gold deposit thus far discovered in the Atlin camp, if recent reports by Dandy 25 prove
25
Dandy, Linda 2005
Technical Report
34
to be correct. Past exploration and mining has been focused around the Yellowjacket zone, which
gives the project its name.
At the time of writing this report, the property is 100% held by Eagle Plains Resources Ltd.
The Yellowjacket property is located 9 kilometres east of the community of Atlin, B.C,
(population 450), and 1.5 km east of the BCR tenures (Figure 6) is accessible by all year round
gravel road, with access to a new hydroelectric plant 3 kilometres to the west. Basic supplies,
accommodation, restaurant and fuel are available in Atlin, in addition to a mining skilled work
force.
Recorded history of the property is as follows. In 1983 Canova Resources Ltd and Tri-Pacific
Resources Ltd. 26 optioned the Yellowjacket property form local prospectors and carried out a
$0.54 million diamond drill program, in addition to percussion drilling geophysics, (Figure 5).
In early 1986, Homestake Mineral Development Company optioned the property from Canova
Resources Ltd. Between 1986 to 1988 Homestake initiated programs of mapping
reverse circulation and diamond drilling, (52 holes totaling 8,057 metres). Reportedly, several
significant intersections of gold mineralization with values greater than 0.5 oz/t over 3.48 foot
widths. 27
Subsequent work included percussion drilling and a favourable gold bearing drill indicated
structure was shown to extend over 2 kilometers and to a depth of 183 meters. 28
At the completion of the Homestake exploration-drilling program, Homestake reported a
resources estimate of 453,500 tonnes grading 10.26 g/t. 29
No mineral exploration was conducted on the Yellowjacket property between 1989 and 2003,
when Muskox Mines Ltd (name changed to Prize Mining Corp. in 2007) optioned the property.
Prize Mining conducted further diamond drilling between 2003 to 2007 on 49 holes. A number
of impressive intersections were intersected during drilling, with values ranging from ‘no
significant results’ to grades as summarized in Table 5.
Table 5 30
Significant Drilling intercepts at Yellowjacket 2003-2006
Drill hole
YJO3-01
YJ04-07
TWO5-02
26
Interval
(Metres)
From
To
13.95
19.51
38.66
54.45
10.67
41.5
Metres
Width
5.56
15.79
30.83
Grade
Au g/t
513.5
16.6
80.5
Ibid
Ibid
28
George Cross Newsletter, No. 213, 1988
29
Dandy, 27th January Technical Report on the Yellowjacket Gold Project
30
Ibid
27
Technical Report
35
The general area encompassed by drilling covered approximately 300 metres by 100 metres, with
deepest mineralization encountered at 140 metres. Gold mineralization at Yellowjacket is found
exclusively within carbonatized and silicified ultramafic rocks that are mineralized with
mariposite, (listwanite) and pyrite. 31
The Yellowjacket mineralized zone exhibits coarse gold mineralization to negligible gold
mineralization, indicating a pronounced ‘nugget effect’. This prompted Prize Mining Corp to
proceed in 2006 with a bulk-sampling program to evaluate the deposit in an economic
framework. Regular consultation was made with the Taku Tlingit First Nation, (TRTFN). 32
During 2007 bulk sampling Prize Mining Corp produced 206.9 ounces gold from a Yellowjacket
pit and similar operations produced 599 ounces gold in 2008. In 2009 Eagle Plains initially
earned a 40% interest in Yellowjacket, but by 19th August 2010 gained a 100% interest to the
property, open pit, mill and mining equipment on site. 33 While the property was owned jointly,
on 27th August 2009, Eagle Plains and Prize Mining jointly announced 34 the completion of final
commissioning and permit compliance to allow commencement and full production of the
property. On 10th July 2009 the Yellowjacket Gold Mine received its BC Mines Act Permit for
the development of an open pit mine and onsite concentrator processing up to 75,000 tones per
year.
On the basis of data from past drilling operations, including work by Homestake, the
Yellowjacket occurrence is reported to consist of a zone of quartz veins, breccia and silicified
lenses located within intensely altered and sheared ultramafic rocks of the Pennsylvanian to
Permian Atlin Ultramafic Allochthon, (Ophiolitic Assemblage). The ultramafics are overlain by
light green, hornblende-feldspar porphyry andesite and are underlain by darker green and more
massive andesite to basalt of the Lower Mississippian to Middle Pennsylvanian Nakina
Formation of the Mississippian to Triassic Cache Creek Group.
Drilling results show the Yellowjacket is a structurally controlled gold deposit, which extends
over 350 metres along strike within rocks of the Cache Creek Group and associated ophiolitic
rocks. Diamond drilling has intersected ophiolite-hosted gold veins proximal and within the
adjacent west-east trending Pine Creek Fault zone. Listwanite altered ultramafic rocks are
reported associated with the gold veins.
Fault zone ranges up to 70 meters wide as intersected in selected drill sections. The fault is
intersected by a second oblique structure. These two cross structures host two distinct gold
populations with assay returns ranging from 5.0 to 15g/t gold and 15.0 to 5724.0 g/t gold. A
broad zone of gold values ranging from 0.5 to 5.0 g/t gold is interpreted to be related to an
original low angle thrust fault associated with the host ophiolite rocks. Variable lithologies
associated with the Yellowjacket are as follows.
31
Dandy, Linda 2005
Ibid
33
See Dandy, 27th January Technical Report on the Yellowjacket Gold Project
34
Dandy, Linda 2005
32
Technical Report
36
Basalt
Basalts are generally green to dark green, weakly to strongly chloritized rocks, fine grained and
massive. Mineralogy is reported as approximately 20% plagioclase and 80 % pyroxene.
Fracturing is ubiquitous and most fractures are coated with dark green serpentine. As a result of
faulting and alteration, it is difficult to reliably separate andesites and basalts and the two rock
types are combined into single mafic-intermediate
unit. Where drilled the basalt/andesite strikes 040° to 070° and dips shallowly to the northwest.
Serpentinite
Almost all drilling within the Yellowjacket property intersected some serpentinite, a distinctive
rock type formed by alteration of pyroxenite and dunite. Colours are typically dark blue-grey to
blue green, and the unit is massive and, moderately to strongly magnetic (up to 10% magnetite).
Exceptionally serpentinite may be non-magnetic and drilling intersected, often at moderate
depth, unaltered pyroxenite.
Most rocks at Yellowjacket show some degree of alteration and in extreme cases alteration is
complete and original textures are completely obliterated. Dandy (2005) reported that
carbonatization is by far the most important alteration with formation of magnesium dolomite
and/or magnesite and lesser amounts of talc, tremolite and quartz. The rocks are typically light
grey, green, or cream in colour and are generally non-magnetic. Chromite grains occur as black
‘flecks’.
Pervasive silicification is not as common as carbonatization but is extensive enough to be noted.
It commonly comprises quartz veining, locally in volcanic rocks but commonly in serpentinite
and may be accompanied by 2-3% fine grained pyrite and remnants of volcanic rocks.
A third important alteration type is listwanite. Listwanites 35 in the Atlin area are carbonatesilicate altered, often faulted, Permian ultramafic rock that has proven prospective for
mesothermal quartz veins hosting gold. Mariposite, (chrome-muscovite) is a common component
of listwanite, and often contains fine grained disseminated pyrite. At Yellowjacket, fine specks
of gold can be identified in the listwanite, and more commonly in the associated quartz veining.
Mafic Intrusive Rocks
Diabase dikes in Yellowjacket drill core typically are a fine grained mixture of pyroxene and
plagioclase, sometimes with ophitic textures. Chlorite, serpentine and leucoxene alteration has
been noted and hematite is commonly found on fractures. Within faulted zones diabase is not
distinctive from basalt and andesite.
Gabbro occurs as sills or dikes, with thickness up to 30 metres, and in at least one location has
distinctive cumulate layers. It is medium to coarse grained and is mostly unaltered, but is host to
numerous un-mineralized quartz veins.
35
Ash and others,1991
Technical Report
37
Feldspar porphyry has been noted in a few drill holes and may be the same as unit 9b:
plagioclase porphyry. Syenite has been identified in two diamond drill holes. Diorite is
commonly dark green with up to 40% white feldspar phenocrysts and 60% chloritized
amphibole.
Greenstone is a general field term for chloritized and/or carbonatized volcanic rock that ranges in
composition from andesite to basalt.
Andesite is dark grey to dark green, fine grained, and comprises plagioclase feldspar, up to 10%
quartz and mafic minerals including hornblende, chlorite and biotite. At Yellowjacket ultramafic
rocks are strongly deformed and altered and the more competent andesites tend to shatter. That
fractured rock is then flooded with quartz carbonate and stockwork. At the Yellowjacket the
highest grade gold intercepts in drill cores were associated with the andesitic rocks.
Lamprophyre, a dark grey to olive green, fine to coarse grained phlogopite/biotite porphyritic
rock, occurs as dykes in the Atlin Project area. Biotite flakes less than 1 millimeter in diameter
occurs in a fine grained matrix of plagioclase. Phlogopite is less prominent and tourmaline is a
minor component. Lamprophyre dikes are associated with the Fourth of July Batholith.
Work completed since receiving permit approvals includes construction of a newly designed
tailings storage facility and pipeline, emplacement of environmental monitoring wells, mine pit
dewatering, ramp construction, mill commissioning and electrical up grades.
During the interim 100% take-over by Eagle Plains, no mining took place from mid 2009 up to
the time of writing this report. Eagle Plains reports by 2008 a total of $14 million dollars had
been spent to capitalize the Yellowjacket gold mine to bring it to the stage of producing gold. 36
2)
The GV-Shuksan Property, (Minfile 104N 100/104N 098) also known as the LD Property
The GV-Shuksan property consists of 12 claim units and covers a small hill situated east of
upper Dominion Creek. At the present time it is held by two Whitehorse prospectors, and at the
time of writing is not under option. On Figure 6 it is located immediately east of Dominion
Creek, coloured green and is not part of the Atlin Project.
The GV-Shuksan property is surrounded by the Atlin Project near a carbonatized ultramaficchert contact. Locally, Listwanite alteration is present in the surrounding area. There many
narrow quartz veins are reportedly found within or adjacent to a carbonatized and silicified
mariposite-rich ultramafic body. Two distinct vein occurrences are present, quartz stockwork
veins and quartz filled tension gashes. The quartz filled stockwork veinlets occur in the altered
ultramafic zones. These veinlets are barren of gold and sulphides, and show no preferred
orientation.
36
Dandy, 27th January Technical Report on the Yellowjacket Gold Project.
Technical Report
38
During 1983 to 1984, Standard Gold Mines Ltd carried out an extensive diamond drilling
program in addition to trenching on Dominion Creek. Gold mineralization reported by Standard
Gold Mines Ltd during 1983-1984 work included 299.65 g/t gold from a 15
kilogram bulk sample from a shear structure. In 1984 several short drill holes were drilled over
this zone to give a best intersection of 15.30 g/t gold over 0.48 metres.
The quartz-fill tension gashes are reportedly mineralized and range from 4 centimeters to 90
centimeters in width. Quartz makes up an estimated 95% of the vein gangue, with minor calcite
and mariposite. Metallic sulphides present are pyrite, with minor chalcopyrite, silver, galena and
sphalerite making up less than 1% of the vein. Gold to silver ratios is variable. Visible Free gold
is disseminated throughout the quartz veins, locally in spectacular concentrations.
In 1987, Placer Dome Inc. optioned the LD property and adjacent areas, now covered by the
Atlin Project mineral claims and conducted a ten hole 1,399.3 metre drilling program primarily
outside of the LD property. Drill holes extended from lower Dominion Creek watershed to
lower Rant Creek watershed, (Figure 2).
Faults, quartz veins and sulphide mineralization were intersected in a number of drill holes, but
no economic gold or silver values were obtained. The highest value was 0.63 ppm Au over a 1
metre length of drill core.
3)
Lake View Property (Minfile 104N 009) and adjacent 4) Whitestar Property (Minfile
104N 010)
These two properties are situate immediately west of Boulder Creek, Figure 6. During the 1900’s
a 150 foot adit in addition to two shafts of 35 and 27 feet at the Lake View property, as well as
58 foot adit on an adjacent less significant property know as the Whitestar property. The target
was a quartz vein system that can be traced from the lower slopes of Boulder Mountain, and then
continues northeastwards.
Two milky quartz veins are present on this property each up to 1 metre wide, associated with
erratic quartz stockworks of veins ranging between 2 cm 5 cm thick. Mineralization consists of
with sporadic traces of pyrite and arsenopyrite and occasionally traces of galena, with local
listwanite zones and traces of listwanite associated with quartz 37
In 1981, Yukon Revenue Mines Ltd acquired these properties, and work completed showed low
grade gold values over a limited vein stockwork system within a carbonatized and silicified
andesite adjacent to a serpentinite body 38 .
The Yukon Revenue work prompted Cream Silver Ltd, followed by Homestake to carry out
work in the Atlin area in 1986. Cream Silver drilled the quartz veins on Boulder Mountain, and
intersected 0.592 oz/ton gold over 4 feet 39 .
37
Aspinall, 2005
Dandy, Linda 1987
39
Assessment Report 15,686.
38
Technical Report
39
Cream Silver drilled 15 holes totaling 5,258 feet, and records show most of the quartz vein
intersections as being less than 0.015 oz/ton gold. Silver assayed a little better, ranging between
0.2 ppm Ag to 9.2 ppm Ag, with anomalous sections between 11.4 ppm to 156 ppm Ag. These
sections total 10 feet of non-contiguous sections 40 .
Cream Silver also carried out airborne electro-magnetic surveys as well as ground IP, which
assisted in locating the drilling targets.
Homestake staked considerable areas in the Atlin region, and within the Pine Creek valley
concentrated on a listwanite geological model. They drilled the present Muskox Yellowjacket
property on Pine Creek and values of 0.5 oz/ton gold are reported over sections of 10 feet or
better, in 1987 41 . These gold values are reported to come from quartz stock-works of with up to
0.5% pyrite in a carbonatized talcose ultramafic.
Cream Silver Mines Ltd acquired the Lakeview property in the mid-1980s. That company
reported surface grab samples with up to 1.5 oz/ton gold and diamond drill core samples that
returned 0.21 oz/ton gold over 14 feet 42 .
4)
Imperial Mine Property. (Minfile 104N 008)
Much of the following history of mineral exploration and gold mining on the Imperial property,
located northeast of Atlin and north of Pine Creek, Figure 6 has been taken from the 1988
Homestake Mineral Development Ltd assessment report on Imperial Property, (A/R 17,495) and
BC.Minfiles.
The original property was first staked in 1899. Gold had been discovered in a 150 metre long
quartz vein. Two cross cut tunnels, and upper and a lower, were driven to intersect the
discovered quartz vein. This quartz vein reportedly trends between 295°-310° dipping Southwest
at -50°-60°.
The veins width varies reportedly from 0.12 metres to 2.6 metres. A bunk-house and a small
stamp mill were built from funding by a syndicate called Nimrod.
According to BC Minfiles and other reports, in 1900 the Nimrod Syndicate miners milled 245
tonnes from the upper level, which yielded 13.7 grams per tonne gold while the lower tunnel
produced 23 tonnes ore, which yielded 5.1 grams per tonne gold. These records testify the
Imperial claim as the only “past producer” of hard rock gold in the Atlin mining camp. Yet all
records continue to show the property has never been drilled.
In 1902, a 1485 kilogram (3267 lbs) test sample from the upper tunnel was collected and treated
in Vancouver. This sample analyzed 1.2 oz/t Au and 1.26 oz/t Ag.
40
Ibid.,
Ibid
42
Dandy, Linda 1987
41
Technical Report
40
The Homestake report continues to state that in 1933 a geologist from BCMM took 14 samples
from a 0.5 metre section of the upper tunnel vein over a length of 10.9 metres (35 feet). These
samples reportedly averaged 0.8 oz/t Au and 1.0 oz/t Ag.
No information is available on the Imperial property from 1902 until 1984, when the Imperial
and adjacent properties, were acquired by Lear Oil and Gas. This company contracted out a
program of geological mapping, soil sampling, and VLF-EM and magnetometer surveys.
The property was then optioned by Homestake Mineral Development Company Ltd during the
1980’s, and carried out the following work in 1987.
• 19 Km of grid line surveys
• Detailed geological mapping at 1:1000
• Collection of 245 rock and 26 soil samples for multi-element analysis.
The property was allowed to lapse and re-staked by Aspinall in 2000.
Aspinall reports (pers.com 2011) that he collected rock samples during seasons 2004, 2007 and
2008 with the help of Dr. J.G Payne petrology work 43 on these samples classified Imperial claim
property rocks to include the following:
• Fine grained metagabbro
• Listwanites, carbonatized ultramafics
• Harzburgite, dunite, peridotite cumulates, non-differentiated
• Meta andesite-basalts
• Scattered quartz veins with sulphides, copper carbonates and fuchsite are associated with
the carbonatized ultramafics and meta andesite-basalts within fault zones and contact
zones.
• Diorite/diabase dikes
• Diorite dikes
In hand specimen Aspinall reports (pers.com. 2011) sulphides are only seen in quartz, especially
where quartz shows composite veining. The sulphides show preference to one pulse of quartz
veining. In 2004 a thin section of quartz showed: Seams of sericite-ankerite and disseminated
grains and clusters of sulphides. One sulphide patch consists of chalcopyrite and pyrite with
minor gold/electrum. Another smaller sulphide patch
consists of galena and chalcopyrite. Sulphides and ankerite are altered moderately to strongly to
limonite, hematite, and malachite.
Aspinall also collected the following rock, talus and soil samples from the Imperial Property
during the course of his investigations 44 , Ref Tables 6,7,&8.
43
44
Aspinall, 2004, 2007, 2008
ibid
Technical Report
41
Table 6
Rock Samples West Sector Imperial Mine Property 2004
Sample
No.
IMP04-1
Au
ppb
20
Ag
ppm
0.4
Cu
Ppm
7
Pb
ppm
<2
Zn
ppm
13
Ni
ppm
962
Cr
ppm
163
IMP04-2
120
0.4
32
<2
13
763
286
IMP04-3
205
6.2
411
154
640
6
138
IMP04-4
715
24.5
153
50
206
4
153
IMP04-5
355
7.9
157
150
236
2
157
Field Relationships
Talus boulder fragments of altered ultramafics
and quartz vein material, 50 m below Imperial
quartz vein
Outcrop of altered ultramafic on hanging wall
to Imperial fault and associated Imperial quartz
Vein.
Quartz veins in ultramafics -contact zone –
trace chalcopyrite and galena.
Quartz veins in basalts-contact zone-trace
chalcopyrite, pyrite, and galena.
Quartz boulder fragments with sulphides
Table 7
Soil /Talus Samples Imperial Mine Property 2006
Sample
No.
Soils
Imperial
#1
Au
ppb
Ag
ppm
Cu
Ppm
Pb
Ppm
Zn
ppm
Ni
ppm
Cr
ppm
5
<0.2
26
16
65
228
133
Imperial
#2
Imperial
#6
Imperial
#7
Rock
Imperial
#3
10
<0.2
25
36
38
512
122
30
<0.2
27
14
42
395
186
5
,0.2
6
14
33
260
163
10
0.3
6
6
8
335
156
Imperial
#4
10
0.3
25
<2
9
659
139
Imperial
#5
25
<0.2
2
<2
15
727
269
Description
Grey talus fines/soil gabbro diabase outcrop.
Trace of pyrrhotite. Occasional white stringer
veinlets in gabbro
Talus fines/soil collected just north of gabbro
contact. Brownish colour; some organics.
Talus fines talus fragment of Cache Creek
conglomerate from up-slope
Talus fines/soil, light brown, some organics.
Carbonatized U/B boulder rock sample from
local outcrop with SE tending quartz veinlets,
up to 8cm thick, dipping 75 deg to SW,
following same trend as Imperial Fault.
Talus boulder, originating up hill and south of
Imperial Fault. Carbonatized U/B with quartz
veinlets 10 cm thick. Fuchsite.
As above
During the 2007 six soils were collected but not reported, as results were not received when the
2007 assessment report was due. These are reported here, with full details and sample locations
provide in the appendices.
Technical Report
42
Table 8
Soil Samples Imperial Mine Property 2007 45
Sample
No.
Soils
IMP07-1
IMP07-2
Au
Ppb
Cu
Ppm
Pb
Ppm
Zn
Ppm
Ni
Ppm
Cr
Ppm
6.3
11.3
Ag
Ppm
,
<0.1
<0.1
34.8
12.5
5.9
4.1
61
41
285.6
186.9
176
144
IMP07-3
101.6
0.6
91.6
40.6
110
2260
501
IMP07-4
IMP07-5
16.1
140.5
0.4
0.4
60.2
42.5
43.6
11.4
91
73
574.6
2031
289
466
IMP07-6
303.4
1.3
76.1
25.9
98
2549
253
Description
Brown grey soil below diorite dike
Brown grey soil on south slope. Outcrops of
andesite-basalt
Brown-grey soil; Outcrops of ultramafic; qtz
fragments
Brown grey soil; crab ultramafic
Red soil; crab ultra mafics; qtz vns; traces
galena and chalco
Light tan soil; qtz vns; traces sulphides
Aspinall’s 46 continued investigations on the Imperial mine property recognized three quartz
veinlet systems, viz.
•
Bull white quartz veinlets within massive and structureless carbonated ultra-mafics, with
no visible sulphides; analyses show no trace of gold or silver. Trace listwanite alteration
invariably present.
•
Bull white quartz veinlets within altered silicified and carbonatized andesite-basalt
volcanics along fault contacts with diabase or diorite. These quartz veinlets show traces
of chalcopyrite, (including associated malachite) and galena, also analytical traces of gold
and silver. Trace listwanite alteration invariably present.
•
Bull white quartz veins within andesite-basalt volcanics, and show carbonatized
alteration and associated slip and/or fault related structures. These invariably show traces
of chalcopyrite, (including associated malachite) and galena. Traces listwanite alteration
invariably present.
In addition Aspinalls 47 observations show:
•
•
•
45
Where traces of gold and silver are present within the quartz veinlets, the veinlets
occur in carbonatized/silicified andesite-basalt.
In the above case, slip faults or faults are present, and gabbro dikes or stocks as well
as ultramafic rocks are present in vicinity.
Quartz veinlets within ultramafic rocks do not host comparable traces of gold and
silver compared to andesite-basalt.
ibid
Aspinall, 2008
47
ibid
46
Technical Report
5)
43
Beavis Property (Minfile 104N 007)
The Beavis property 48 is located on the eastern shore of Atlin Lake about 2 kilometers north of
the town of Atlin, Figures 4, 6, 8a.
According to Minfiles 49 the occurrence consists of a well-defined quartz vein hosted within
rocks of the Pennsylvanian to Permian Atlin Ultramafic Allochthon. In the area of the vein, the
ultramafic rock can be both silicified and carbonate altered to a listwanitic-type alteration
assemblage with some chromium micas identified as fuchsite or mariposite.
Under ground work 50 on the property occurred from 1902 to 1908 with the most work in 1908 by
the Gold Group Mining Company. Then three levels were developed from a shaft sunk to 60
meters. A sample taken by Tom Schroeter (Energy, Mines and Petroleum Resources) on July 13,
1985 from a silicified breccia zone contained 63 grams per tonne gold and 235 grams per tonne
silver.
The host rocks for the intrusions are cherts and argillites of the Upper Mississippian to Upper
Pennsylvanian Kedahda Formation of the Mississippian to Triassic Cache Creek Group. The
quartz veins and alteration in the “mine” occur very near the contact of the intrusions and the
sediments.
The main vein 51 at the Beavis property is 45 centimeters wide and strikes at 155 degrees with a
dip of 85 degrees to the northeast. Associated with the vein is a light coloured felsic dyke. The
exact relationship of the vein and dyke is not documented, although a similar dyke/vein
assemblage occurs on the Anaconda property (104N 046) about 3 kilometers to the south. These
dykes on both properties are mineralized with disseminated pyrite. The quartz veins of the
Beavis “mine” carry variable amounts of disseminated pyrite and visible gold. Some breccia
textures are present.
A Vancouver Junior drilled company drilled the property in 2008, but no reliable data is
available at present time.
6)
Pictou Property (Minfile 104N 044)
This showing 52 is located on the west side of Pine Creek, about 1 kilometer east of the presentday airstrip and 2 to 3 kilometers northeast of Atlin, Figures 4,& 6.
The occurrence consists of an extensive alteration zone hosted within ultramafic rocks of the
Pennsylvanian to Permian Atlin Ultramafic Allochthon. The rocks around the Pictou show
listwanite alteration and are related to the Monarch Mountain Thrust. As pointed out, the thrust is
48
Minfiles
ibid
50
ibid
51
ibid
52
Minfiles
49
Technical Report
44
very flat lying, and the Pictou occurrence is actually a window through overlying Monarch
Mountain harzburgite.
Specifically the Pictou occurrence is a wide alteration/fracture zone that has pervasive
silicification, brecciation, and iron and magnesium-carbonate (listwanite?) alteration.
The zone can be up to 5 meters wide but its thickness is inconsistent. Some bull quartz and
narrow radiating quartz veinlets are present although distinct quartz veins are not abundant in the
alteration zone.
Breccia textures are common and the zone is vertical, striking about 100 degrees azimuth. Pyrite
is minor with trace amounts of tetrahedrite, chalcopyrite, and fuchsite. Zoning of iron and
magnesium in the carbonate alteration is common. Magnesite is present. Quartz veins are
vuggy; open space textures in the zone are common.
Sampling suggests that the breccia zones are anomalous in gold and the quartz veins also
anomalous in gold, silver, arsenic, and antimony. Gold assays are reported as high as 0.4 ounces
per tonne.
Work on the property began in 1899 with open cuts. In 1925-27 more open cuts and a short
tunnel was and shaft was emplaced. In 1938 a Resident Mining engineer visited the property and
collected samples, which gave returns 0.03 oz/t Au to 0.7 oz/t Au, and 0.2 oz/t Ag to 13.2 oz /t.
Similar Results were obtained by the Assistant Resident Mine Engineer in 1933. In 1966 T.O.
“Tom” Connolly of Atlin developed more surface workings and obtained much higher gold and
silver assays, ranging over 2 oz/t Au and over 200 oz/t Ag.
In 1968 Connolly using a bull dozer with ripper, exposed a vein on either side of the shaft for 60
feet, which he sampled. Three random sample returns are listed in Table 9.
Table 9
T.O. Connolly Random Samples, Pictou Occurrence, Atlin, BC.1968 53
Sample ID
Au, oz/ton
Ag, oz/ton
Cu %
A#2
B#2
#2R
1.4
1.54
1.52
57.4
78.3
52.3
0.39
0.42
0.27
Collectively gold prospects and showings known to the author in the Atlin camp are of interest;
collectively they show similarities. These similarities include the presence of quartz veining,
listwanite alteration and/or carbonated alteration, ultramafic and Cache Creek rocks, geological
contacts and /or faulting. Sometimes Atlin gold showings are associated with felsic dikes,
possibly contemporaneous in age with the Jurassic Fourth of July Batholith.
53
Shirley Connolly Archives
Technical Report
45
The mineralization, production and resource information discussed in this section has not been
verified by the author and is not necessarily indicative of the mineralization on the Atlin Project
which is the subject of this report.
Mineral Processing and Metallurgical Testing
No mineral processing or metallurgical test work has been directed to any part of the Atlin
Project properties.
Mineral Resource and Mineral Reserve Estimates
No mineral resource and mineral reserve estimates have been directed to Atlin Project properties.
Other Relevant Data and Information
Drilling was carried out by Standard Drilling Ltd of Wells, British Columbia. This is an in-house
drilling company owned and operated by the Resource Group of companies, of which Blind
Creek Resources Ltd is a member. Total costs of the Part I, Part II and Part III 2009-2010 drill
program were based on 2009 Yukon contractor costs and include all drilling costs, rental costs,
room and board, reclamation costs, sampling costs, analyses, geologists and all other support
costs.
In 2010 a five year drilling permit for the Atlin Project was applied for with the BC. Mines
Inspector in Smithers, British Columbia and at time of writing has been approved. This permit
extends from 1st August 2010 to 31st July 2015. A one-year timber-cutting permit has also been
approved for period 1st August 2010 to 31st July 2011. This timber permit application has to be
re-submitted annually with the Mines Inspector office over the 5 year drilling permit term.
To the best of the author’s knowledge, there is no other significant relevant data concerning the
Atlin Project mineral showings and tenures and nearby properties that is not discussed in
foregoing sections of this report.
Interpretations and Conclusions
gold claims in the Atlin area could lead to finding a hard-rock gold source. All existing historic
hard-rock gold prospects within the Atlin camp fall adjacent and outside the Project area.
Therefore the objective of the Company is to track new hard-rock gold prospects within the
Project area, albeit under the predominant glacial till cover using knowledge of existing and
historic placer workings, studies made on individual placer gold nuggets derived from the
workings, and geology of the surrounding area.
Placer gold nuggets from the Atlin gold camp generally show an association with bull quartz
fragments, so it can be assumed at lease in part Atlin placer gold was sourced to quartz vein
systems that have since had their gold zones eroded away. It can be assumed gold mineralization
was limited to specific paleo-horizons. A source of gold to Pine Creek (could have been a vein
Technical Report
46
system extending northwards from upper Snake Creek, (Surprise Minfile 104N 076) across the
Pine Creek Fault to Lake View (Minfile 104N 009) and Whitestar (Minfile 104N 010). Such
present day quartz veins found within the Atlin camp could be the roots of a previous gold
source.
Exploration for bedrock hosted gold deposits in the Atlin gold camp should be considered a high
risk venture. Nonetheless, historic and continuing production of important quantities of placer
gold, ease of access and low operating costs in a mining-friendly environment combine to make
the Atlin gold district of northwestern British Columbia a highly attractive area in which to
explore for lode gold.
A common assumption of Atlin placer miners is that all gold source areas have since been eroded
away and all of this gold has been deposited in pre-Wisconsin and post Wisconsin fluvial
channels. These occur in abundance in and near Atlin area creeks. Permian ultramafic rocks and
associated listwanites, intrusions associated with the Jurassic Fourth of July Batholith, in
addition to Surprise Lake batholith of Cretaceous age, are all variously cited by placer miners
and selected government geologists as associated or influencing original creation of lode gold
sources.
Assessment reports reflect the large amount of hard rock exploration committed to the Atlin
camp over the past 40 years. However, diamond drilling has been limited to the immediate Atlin
Area, Dominion Creek, Rant Creek middle sections of Spruce Creek, with few drill holes
scattered elsewhere.
Mineral explorers, prospectors and government geological surveys have sought clues to the
source of the placer gold, and it is significant that similar concerted efforts in the great Klondike
gold district of Yukon may have in 2009, after many years of searching and researching, resulted
in solving a similar mystery of the source of the gold.
The Atlin Project is challenged by the fact that most of the project area, perhaps as much as 95%,
is obscured by various types of overburden. Lacustrine gravels, as deep as 25 metres, as
measured by water well and other types of drilling, overlie important drill target areas in the
regions of lower Pine, Spruce, and Otter creeks. Glacial tills of variable thickness cover the
upper reaches of these creeks, including Dominion, Rant, Wilson and Upper McKee Creek.
The discovery of further lode gold deposits, such as the Yellowjacket, in the Atlin gold camp,
has to be based on careful study of past exploration efforts combined with synthesis of the
underlying and largely unseen geological and structural patterns as determined from historic data
augmented by interpretation of satellite imagery and by field work. It appears likely that gold
mineralization is related to structures and to the alteration that is generated by chemical and
physical effects on those structures.
Diamond drilling by the Company was carried out in 2005 and 2007, with more systematic
diamond drill programs in 2009-2010, and defined as Phases I, II & III.
Technical Report
47
As a result, it is concluded diamond drilling is the most informative but costly method of
investigating the bedrock that is otherwise inaccessible. Despite the few and narrow indications
of gold in drill core from the holes BCR-15-09 and BCR-16-09 and BCR-1-10 to BCR-11-10
summarized in this report, Atlin’s placer gold came from somewhere. Given the 11 drill hole setups from where these holes were drilled represents only a micro fraction of BCR claim area,
there remains a huge area to explore.
This hope is supported by the analytical results of core from BCR-1-10 and BCR-2-10,
summarized in this report, which clearly indicates that the Atlin Ophiolite Assemblage faultcontact associated rocks, the Monarch Mountain thrust and adjacent underling Atlin
Accretionary Complex rocks are potential hosts to Atlin’s lode gold.
Recommendations
Exploration on the Atlin Project should focus on exploration diamond drilling supported by
ground magnetic surveys, prospecting, and mapping. Due to thick glacial till cover, soil
geochemical surveys are not considered ideal.
Recommended diamond drill targets are zones adjacent to lineament, faults, contacts between
Cache Creek Group rocks with Jurassic and Cretaceous intrusive units, but primarily the
interface between the Atlin Ophiolite Assemblage and the Atlin Accretionary Complex.
Table 10 outlines a budget for a Phase I drill program. A follow-up drilling program would be
dependent on results of this program. A Phase II program would cost approximately the same as
Phase I for a total possible expenditure of $1.1 M.
Table 10
Phase I Drill Program
Contingent Phase I Drill Program Blind Creek Ltd Atlin Project.
Assessment Report, Research and Field
Investigations
Ground Magnetometer surveys
3000 metre diamond drilling program
Geologists and core logging support
Meals and accommodation, 8 man crew
Core Boxes
Analyses
Consulting,supervsion,communications
Vehicles, skidoos
Reclamation
First Nation Affairs
Report
Sub-total
Head office Expenses
Total
30,000.00
20,000.00
285,000.00
35,000.00
17,000.00
8,000.00
1400.00
28,000.00
6,000.00
20,000.00
5,000.00
30,000.00
485,400.00
65,000.00
550,400.00
Technical Report
Blind Creek ResourcesLtd
Atlin Project; 19ft May 20l l
SIGNATURE PAGE
Datedat Whitehorse.Yukon this 15thday of March 2011
AMENDED MAY I9,2OII
respectfullysubmitted
R. ALLAN DOHERTY, P
llan Doherty, P.Geo".
QualifiedPerson
March152011
AMENDED MAY l9,20ll
48
Technical Report
49
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Tenures
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Project (Combined Como Lake Block and Main Block), Atlin, BC
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coordinates 6614000N, 591500E (NAD 83, zone 8).
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III) on the Atlin Project (Combined Como Lake Block and Main Block),
Atlin, B.C. Centered at 59˚ 31.629’ N & 133˚ 23.055’ W Atlin Mining Division, British
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Vancouver, BC. Canada, V6B 1N2
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31N Longitude 133 28 E, UTM Zone 8-586000E., 6599000N, Atlin Mining Division, B.C.
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Latitude 59º 35' 41" N Longitude 133º 32' 57" E UTM 08 (NAD 83) Northing 6607172 Easting
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2010
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Ltd. 15th Floor -675 West Hastings Vancouver, British ColumbiaV6B IN2
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Citations
Andrew, K.P.E., (1985). Fluid Inclusion and Chemical Study of Gold-Quartz Veins in Atlin
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Yellowjacket showings, Atlin, B.C. thesis, Memorial University of Newfoundland.
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Eagle Plains Resources Ltd
Technical Report
55
Certificate of Qualifications - R. Allan Doherty
I, R. Allan Doherty, hereby certify that:
1.
I reside at 106A Granite Road, Whitehorse, Yukon, Y1A 2V9.
2.
I am a graduate of the University of New Brunswick, with a B.Sc. Degree in Geology
(Honours, 1977). I have been involved in geological mapping and mineral exploration
primarily in the Yukon since 1980.
3.
I am a member in good standing of the Association of Professional Engineers and
Geoscientists of the Province of British Columbia, Registration No. 20564, and have been
registered as a Professional Geologist since 1993.
4.
I am the owner of Aurum Geological Consultants Inc, a firm of consulting geologists and
have been authorized to practice the professional of geology by The Association of
Professional Engineers and Geoscientists of British Columbia since 1993.
5.
I am a "Qualified Person" as defined in Sec 1.2 of National Instrument 43-101.
6.
I am independent of the Issuer, and I am the author of this report titled “Technical Report
Blind Creek Resources Ltd, Atlin Project” on the Atlin Project for Blind Creek Resources
Ltd. Dated March 15, 2011 and revised May 19, 2011. The report is based on a visit to the
subject property on January 13, 2011, on review of all available data concerning the subject
property supplied by Blind Creek Resources Ltd. and on other materials obtained from the
literature and from web sites.
7.
I am responsible for all sections of the technical report titled “Technical Report Blind Creek
Resources Ltd., Atlin Project”
8.
I am not aware of any material fact or material change with respect to the subject matter of
this technical report, which is not reflected in the technical report; where such omission to
disclose makes the technical report misleading.
9.
I have had direct involvement with the exploration programs and property visits in the
general areas discussed in this report. I have no prior involvement with the subject property
prior to my January 13, 2011 Property inspection.
Neither I, nor any affiliated entity of mine, is at present, under an agreement, arrangement
or understanding or expects to become, an insider, associate, affiliated entity or employee
of the current claim owners Blind Creek Resources Ltd., or any associated or affiliated
entities.
10.
TechnicalReport
Blind CreekResources
Ltd
Atlin Project;19ftMay 201I
56
11.
Neither I, nor any affiliated entity of mine own, directly or indirectly, nor expect to
receive, any interest in the propertiesor securitiesthat may be issuedby the current claim
holders, or any associatedor affiliated companies.
12.
Neither I, nor any affiliated entity of mine, have earnedthe majority of our income during
the preceding three years from the current Claim holders or any associatedor affiliated
companies.
13.
I have read NI 43-101 and Form 43-101F1and have preparedthe technicalreport on the
Atlin Projectin compliancewith NI 43-101 and Form 43-101F1; and have preparedthe
report in conformity with generally acceptedCanadian mining industry practice, and as
of the date of the certificate, to the best of my knowledge, information and belief, the
technical report contains all scientific and technical information that is required to be
disclosedto make the technical report not misleading.
Dated at Whitehorse. Yukon this 15thday of March 20Ll
6r_:=s
f
A. DOHERTY
anriGi*l
$#
Technical Report
Appendix A
List of Figures and Plates, which accompany this Report
Figure 1
Project Location in British Columbia
Figure 2
Property Location Map
Figure 3
Mineral Reserve Location Map
Figure 4
Active District Lots (fee simple)
Figure 5
Yellowjacket Properties
Figure 6
Minfile Locations
Figure 7
Figure 8(a)
Regional Geology Map
Figure 8(b)
Legend for Regional Geology Map
Figure 8(c)
Interpreted Atlin Placer Source Zone and Monarch-Pine-Surprise Zone
Figure 9
Selected Magnetometer Survey Areas 2008-2009
Figure 10
Interpretative Geology Sections of Snake Creek Listwanite Anomaly#1 After Drilling 6
Diamond Drill Holes BCR-05-01 to BCR-05-06
Figure 11
Interpretative Drill Hole Geology and Significant Assays Holes BC-07-04 to 07
Figure 12
Drill Hole Section, Hole: BCR1-09
Figure 13
Drill Hole Section Holes BCR-2-09 to BCR-4-09
Figure 14
Figure 15
Drill Hole Section Hole: BCR-8-09
Figure 16
Figure 17
Figure 18
Figure 19
Drill Hole Section Holes BCR-1-10 to & BCR-4-10
Figure 20
Drill Hole Sections Holes BCR-5-10 & BCR-7-10
Figure 21
Figure 22
Figure 23
Drill Hole Section Hole BCR-10-10
Figure 24
Drill Hole Section Hole BCR-11-10
Figure 25
Drill Hole Sections Holes BCR-15-09 &BCR-16-09
57
140°0'0"W
130°0'0"W
Atlin
"
.
120°0'0"W
Atlin Project
[
60°0'0"N
140°0'0"W
Taku River Tlingit First Nation
Stewart
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Terrace
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Smithers
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Prince George
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Williams Lake
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50°0'0"N
Revelstoke
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Penticton
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130°0'0"W
80°0'0"W
30°0'0"W
0
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400
BLIND CREEK RESOURCES LTD.
Iqaluit
Yellowknife
50°0'0"N
Atlin Project
Project Title:
Map Title:
50°0'0"N
Edmonton
VancouverCalgary Saskatoon
Regina
Québec
Winnipeg
1,000
2,000
Kilometers
130°0'0"W
Toronto
80°0'0"W
Atlin Project
Project Location in
British Columbia
Halifax
Scale:
SudburyOttawa
500
300
Kilometers
Whitehorse
0
200
As Shown
Date:
Design:
Figure:
.
Drawing:
Aug, 2009
TERRACAD
120°0'0"W
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8b
7
8b
8a
6a
7
8b
8b
6c
7
9
8a
6b
9
HARVEY
8b
MCKEE CREEK
6c
9
9
6b
8b
8a
12
MCKEE CREEK
9
8b
7
9
9
8a
6590000
8b
6590000
FEATHER CREEK
7
7
6c
7
6b
12
6600000
AITKEN GOLD
7
6c
8b
Atlin Lake
7
6c
9
8a
8b
9
8b
SLATE CREEK
9
12
8a
8b
BLIND
CREEK RESOURCES LTD.
8b
O'DONNEL RIVER
Atlin Project
BURDETTE
CREEK Title:
Project
Map Title:
PIKE
Scale:
1
2
4
Kilometers
6
As Shown
8
580000
Source: Aitken, J.D., 1959; Monger,
J.W.H., 1975, Ash,
8aC.H., 2001
Date:
8a
Design:
Figure:
Drawing:
November, 2010
590000
8b
8a
.
TerraCad Ltd.
12
Datum:
NAD 83/ Zone 8
8b
6580000
6580000
0
Regional Geology Map &8a Diamond
Drill Hole Series BCR-05 & BC-07
7
Legend
Tertiary and Quarternary
Magnesite
Paleocene
Olivine Basalt and Scoria (16b)
Cretaceous
MinFile Location
Ç
Ç
Quaternary Unit
Ç
!
(
Ã
Ã
Ã
Past Producer - Placer
Past Producer - Hard Rock
Producer
Prospect - other
Prospect - Hard Rock
Developed Prospect
#
Showing
!
Anomaly
Alaskite undifferentiated (13)
Jurassic - Coast Intrusions
Fault Type
Fault
4th July Batholith Megacrystic Granite (12b)
Normal Fault
Undifferentiated Granite Rocks (12)
Middle Triassic to Early Jurassic
Argillite, greywacke, wacke, conglomerate, turbidites (6a)
Carboniferous to Triassic
( Thrust
Drill Holes
!
(
BC-07
!
(
BCR-05
Sedimentary Rocks undivided (6b)
Limit of Mapping
Upper Permian to Jurassic
Mudstone/laminate fine
Clastic sedimentary Rocks (6c)
Upper Mississippian to Permian
Cache Creek Group
Nakina Formation: Andesite-basaltic Rocks (7)
Mississippian to Triassic
Kedahada Formation: Limestone
Marble, Calcareous sedimentary Rocks (8a)
Kedahada Formation: Chert
Siliceous argillite, siliciclastic Rocks (8b)
Ultramafic Rocks (9)
Gabbro (9b)
Atlin Project
Map Title:
Legend to Regional Geology
Map & Diamond Drill Hole Series
BCR-05 & BC-07
Project Title:
Scale:
Design:
Date:
November, 2010
Figure:
8b
.
As Shown
Drawing:
TerraCad Ltd.
Datum:
NAD 83/ Zone 8
NORSK
570000
BLACK DIAMOND
590000
DAM RUBY MOUNTAIN
NORTH
580000
600000
.
BIRCH CREEK TUNGSTEN
LITTLE EDNA
RUBY CREEK
SOUTH
RU
SUNBEAM
GOLD 218A
SILVER DIAMOND
BOULDER CREEK
WHITE STAR
LAKEVIEW
CABIN SILVER
6610000
6610000
BIRCH CREEK
!!
OTTER CREEK
WRIGHT CREEK
IMPERIAL
SURPRISE
WILLOW CREEK
PINE CREEK
YELLOW JACKET
!
!
RELIEF
UTOPIA
BEAVIS
ATLIN
!
DIXIE
O-1
EAGLE CREEK
EAGLE
!
!!!
GOLD STAR
PICTOU (L.5643)
ANACONDA
SPRUCE CREEK
ANNA
MONARCH MOUNTAIN
AITKEN GOLD
6600000
6600000
GOLDEN VIEW
SHUKSAN
GV
FEATHER CREEK
HARVEY
MCKEE CREEK
6590000
6590000
MCKEE CREEK
SLATE CREEK
Atlin Lake
BURDETTE CREEK
O'DONNEL RIVER
6580000
1.25
2.5
5
7.5
10
Kilometers
Atlin Project
Legend
Project Title:
Interpreted Shedding of Placer
Gold from Original Source
O'DONNEL
Map Title:
Interpreted Atlin Placer Source Zone
and Monarch-Pine-Surprise Zone
!
Drill Hole
Scale:
Monarch Pine Surprise Zone
July, 2010
580000
590000
Figure:
8c
.
Drawing:
Date:
Placer Source Zone
570000
Design:
As Shown
TerraCad Ltd.
Datum:
NAD 83/ Zone 8
600000
6580000
0
PIKE
570000
580000
590000
600000
k
6610000
Cre
ek
Cr
ee
k
sin
oC
ee k
Ea
gle
r e ek
e Cr
«
5
ak
eC
Cr
e ek
W
Sn
«2
P in
ree
k
Bo
nan
za
«4
r ig
ht
Fo
u
y Creek
Ca
rth
k
6610000
r e ek
k
Cree
ree
er C
ek
l
Ju
Q ua r
tz C
n
Unio
ld
Bou
Cre
Birch
of
.
Ruby Creek
Atlin Island-Beavis Work Area 2009
urnt C
BAtlin
Airport Work Area 2009
Tw
Upper Otter Creek, Rant Creek Work
o J Areas 2008-2009
oh n C
ree k
Lower Otter Creek Work Area 2008
Snake Creek Work Area 2009
Dominion Creek Work Area 2009
Spruce Creek Work Areas 2008-2009
re e
1
2
3
4
5
6
7
Fea
Ro
C
ee k
re
se C e k
eC
re
Li
ek
n
re
ek
Sp
ru
c
t h e r Cr
6600000
Cr
e
«3
Eu
re
ka
6600000
Cr eek
eek
«6
a
O'Donnel River
nt
C
e Cr
Ra
Spru
c
ek
p ruc
le S
Litt
O
tte
r
re
«7
eC
r e ek
«1
ek
!
(
Eldo
ra
k
ree
Slate Cre
ek
eC
Ke
Mc
do
Cr
k
ee
Ca
rC
Wilson Creek
6590000
e ek
te
Ba x
r
on C
6590000
ny
r
e ek
Ca n
yo
Ma
nC
r
har C reek
ee
k
Blind
C
re
n
ne
Jasper Creek
0
!
(
2009 Drill Hole
!
(
2007 Drill Hole
iv e r
W ils
BCR Drill Holes
2010 Drill Hole
2.5
!
(
Pik
e
2005 Drill Hole
580000
ek
F en n C r e
10
7.5
Atlin Project
Project Title:
Map Title:
Selected Magnetometer
Survey Areas 2008-2009
Scale:
570000
5
Kilometers
on
Magnetometer Survey Areas 2008-2009
nn
el
R
k
6580000
!
(
1.25
o
'D
O
re
e
Legend
C
Atlin Lake
ek
dy C r e ek
Design:
R iv
er
Date:
November, 2010
590000
Figure:
9a
.
As Shown
Drawing:
TerraCad Ltd.
Datum:
NAD 83/ Zone 8
600000
6580000
Ke
E
Quartz Float Sample
E47459: Au-6.55g/t
Ag-92.3g/t
30°
Anelesite
Basalt
8
29
88 99
2
88
142.5 ppb Au
over 3m
ng
an
Fuchsite
Ankerite
Tale
Silica
Andesite
Basalt
Ma
e
rit
ke e
n
l
t: A a
Al ica T
l
i
S
168.9 ppb Au
over 4.97m
BCR-05-01
EOH 20.21m
955 ppb Au
over 1.50m
Listwanite Zone
Listwanite
Zone
90 ppb Au
over 0.5m
135 ppb Au
over 0.20m
e
88
e
rit
iqo ale
t
n T
t: A ite
Al ker
An
Contact
@ 63°
dip to W
Zo
n
6
30
560 ppb Au
over 1.07m
rich
e rite
nit nke
u
D t: A
Al
Listwanite
Zone
BCR-05-01 to
BCR-05-03
ese
BCR-05-04 to
BCR-05-06
290 ppb Au
over 1.5m
BCR-05-06
EOH 29.36m
Porphyritic
Andesite
Latite
BCR-05-02
EOH 32.0m
5
32
88
BCR-05-03
EOH 41.45m
?
Legend
?
6
53
98 Location\thin Section\No.
?
?
Hornblende
Quartz Diorite
BCR-05-05
EOH 59.74m
?
?
36
3
88
Atlin Project
Title:
BCR-05-04
EOH 65.33m
Interpretative Geology Sections
of Snake Creek Listwanite
Anomaly #1; after Drilling
6 DDH’s BCR-05-01 to BCR-05-06
Scale:
Design:
Figure:
Date:
Drawing:
Rev:
Aug, 2009
TERRACAD LTD.
10
fluvial sands
and gravels
070 degrees
250 degees
0.25 g/t gold
over 1 metre
1
serpentinite,
pyroxenite?,
diabase,
serpentinzed
diabase,
talc
O
r
tte
2
Greenstone
ek
re
C
ul
Fa
t
0.25 g/t gold
over 2 m.
ne
Zo
0.17 g/t gold over 1.17 m.
Serpentinized
ultramafic rock
with talc.
0.38 g/t gold
over 1 metre
3
2.6 g/t gold
over 1 metre
chert, argillite
Quartz veins up to 2.4 m make
up approximately 20% of unit.
0.25 g/t gold
over 1 metre
DDH BC-07-05
Hole depth: 152.7
4a
A 2.79 m quartz vein
containing visible gold.
4b
0.16 g/t gold
over 2.0 m.
?
Diabase - andesite
DDH BC-07-07
Hole depth: 153.92
11.1 g/t over 0.79 m.
1.57 g/t over 1 m.
Diabase?
Ultramaific?
chert,
argillite
Mixed fault zone
of serpentinite, talc,
listwanite, chert/argillite
DDH BC-07-06
Hole depth: 193.84
andesite
(diabase)
chert, argillite
Serpentinized and talc
altered ultramafic/diabase
chert, argillite
DDH BC-07-04
Hole Depth: 244.13
Atlin Project
Title:
Interpretative Drillhole Geology
and Significant Assays
Holes BC-07-04 to 07
after Ga. Payie, 2008
Scale:
Date:
Aug, 2009
Design:
Figure:
Drawing:
Rev:
TERRACAD LTD.
11
0
10
20
30
metres
40
50
Atlin Airport
180˚
C]] C ]C
Drill Collar
]
0˚
e
Overburden
UTM: 575474 E, 6605577 N
NAD 83/ Zone 8
Elevation: 719m
Conglomerate
Lake Bottom Sediments
Peridotite
Atlin Ophilite Assemblage
? Strong Quartz-Carbonate
Alteration
?
Peridotite/Pyroxenite
Monarch Mountain thrust zone
Listwanite
Argillite/Andesite
Assemblage
Mafic Dike ?
Atlin Accretionary Complex
Chert/Conglomerate
Assemblage
0
10
20
30
40
50
metres
Atlin Project
127.13m
Title:
Drill Hole Section
Hole: BCR-1-09
BCR-1-09
Starting date: October 6, 2009
Finishing date: October 7, 2009
Scale:
Date:
1:1,000
Dec, 2009
Design:
Figure:
Drawing:
TERRACAD LTD.
Rev:
12
6605800 N
6605700 N
180˚
Drill Collar
725m
0˚
UTM: 575763 E, 6605771 N
Elevation: 725m
NAD 83/ Zone 8
Overburden
700m
175 ppb Au
Listwanite
130 ppb Au
77.72m
Conglomerate
59.44m
41.76m
BCR-4-09
BCR-2-09
BCR-3-09
650m
Faulted Peridotite
0
10
20
30
40
50
metres
600m
Atlin Project
Title:
Drill Hole Section
Holes: BCR-2-09 to BCR-4-09
Scale:
Date:
1:1,000
Dec, 2009
Design:
Figure:
Drawing:
TERRACAD LTD.
Rev:
13
725m
6605900N
6605800N
180˚
Drill Collar
0˚
UTM: 575924E, 6605823 N
Elevation: 720m
NAD 83/ Zone 8
Overburden
ph
yr
y
ds
p
ab
Fa
u
M
et
?
t
al
as
ab
ite
et
ot
M
id
as
al
se
r
Pe
t
ba
Serp UM
lt
a
Di
Fe
l
r
Po
ar
Po
r
Pe
r
Conglomerate
UM
n
y
yr
ph
ar
tio
ra
te
Al
p
ds
l
Fe
145 ppb Au
id
ot
ite
170 ppb Au
700m
?
650m
225 ppb Au
560 ppb Au
108.51m
70.2m
375 ppb Au
Serp UM
BCR-6-09
Listwanite
80 ppb Au
50 ppb Au
Feldspar Porphyry
570 ppb Au
Serp UM
Metabasalt
BCR-7-09
0
215 ppb Au
10
20
BCR-5-09
40
50
metres
109.12m
600m
30
Atlin Project
Title:
Drill Hole Section
Scale:
Date:
1:1,000
Dec, 2009
Design:
Figure:
Drawing:
TERRACAD LTD.
Rev:
14
6606100N
6606000N
6605900N
180˚
Drill Collar
731m
0˚
UTM: 575850E, 6605998 N
Elevation: 731m
NAD 83/ Zone 8
Overburden
Conglomerate
700m
90 ppb Au
Gouge
39.90m (lost Hole)
BCR-8-09
650m
0
10
20
30
40
50
metres
Atlin Project
Title:
Drill Hole Section
Hole: BCR-8-09
600m
Scale:
Date:
1:1,000
Dec, 2009
Design:
Figure:
Drawing:
TERRACAD LTD.
Rev:
15
Drill Collar
UTM: 576170E, 6605817N
Elevation: 722m
NAD 83/ Zone 8
0˚
6605900N
6605800N
180˚
725m
Overburden
Diorite
Metabasalt
Peridotite
700m
Diorite
Diorite
Diorite
120 ppb Au
Quartz-Feldspar
Porphyry
Metabasalt
Mafic Volcanic
Metabasalt
Metabasalt
1000 ppb Au
650m
Quartz-carb
Fault Zone
Metabasalt
106.38m
180 ppb Au
BCR-10-09
90.22m
BCR-9-09
335 ppb Au
Granodiorite
Porphyry
270 ppb Au
860 ppb Au
560 ppb Au
0
10
20
30
40
600m
50
210 ppb Au
metres
Metabasalt
Granodiorite
Porphyry
Atlin Project
Title:
Drill Hole Section
Scale:
Date:
1:1,000
Dec, 2009
Design:
Figure:
Drawing:
Rev:
TERRACAD LTD.
16
85 ppb Au
BCR-11-09
Metabasalt
100 ppb Au
Finishing date: November 3, 2009
246.36m
Drill Collar
180˚
Overburden
6610500N
6610300N
1000m
UTM: 590230E, 6610404N
Elevation: 991m
NAD 83/ Zone 8
0˚
Diorite
950m
Talc-Carb
Ultramafic
Mafic Volcanic Breccia
Peridotite
Cherts and Volcanic Sediments
900m
Metabasalt
Cherty Argillite
144.78m
120 ppb Au
BCR-13-09
Mixed Volcanics/Sediments
Starting date: November 10, 2009
Gabbro-Diabase
Atlin Project
Andesite
850m
Title:
Drill Hole Section
Holes: BCR-12-09 & BCR-13-09
147.33m
0
10
20
30
metres
40
50
BCR-12-09
Scale:
Date:
1:1,000
Dec, 2009
Design:
Figure:
Drawing:
TERRACAD LTD.
Rev:
17
Overburden
UTM: 590230E, 6610404N
Elevation: 991m
NAD 83/ Zone 8
90˚
590400E
Drill Collar
590300E
270˚
590200E
1000m
Diorite
Placer Gold Pit
Approximate Surface
950m
Faulted TalcMagnesite
Altered Ultramafic
Cherty Argill. Breccia
Volcanic Breccia-Conglomerate
Tuffaceous Volcanic Breccia
Otter Creek
Chert
Mafic Volcanic
Mafic Volcanic Breccia-Conglomerate
Chert
Mafic Ash-Lapilli Tuff
900m
Metabasalt
Cherty Argillite
Mafic Volcanic
Limestone/Limey Sediments
120 ppb Au
Mixed Volcanics/Sediments
BCR-14-09
Gabbro-Diabase
161.54m
Atlin Project
Andesite
850m
Title:
Drill Hole Section
Holes: BCR-12-09 & BCR-14-09
147.33m
0
10
20
30
metres
40
50
BCR-12-09
Scale:
Date:
1:1,000
Dec, 2009
Design:
Figure:
Drawing:
TERRACAD LTD.
Rev:
18
Collar at 576306E, 6605666N
Elevation 735m
OVB
000 degrees
Till
180 degrees
ike
te D
d ia
spa
Feld
BCR-02-10
EOH 117.35m
Mafic Volcanic
Flow Breccia
Feldsp
a
r Porph
yry Dik
e
r Po
rph
y
ry D
?
ike
Feld
Ultramafic
Inte
rme
?
spa
r Po
rph
yr y
Dik
e
Li
st
wa
n
ite
Cherty
Breccia
BCR-03-10
EOH 132.59m
Ultramafic
Inte
rme
dia
te D
ike
Altered Ultramafic
1.15 g/t Au
11.4 ppm Ag
BCR-01-10
EOH 203.00 m
Ultramafic
Atlin Project
Title:
BCR-04-10
EOH 267.00m
Drillhole Sections
Holes BCR-01-10, BCR-02-10,
BCR-03-10, BCR-04-10
Scale:
Design:
Figure:
Date:
Drawing:
Rev:
November, 2010
TERRACAD LTD.
19
Collar at 576306E, 6605666N
Elevation 735m
135 degrees
In
315 degrees
OVB
Till
te
r
m
ed
ia
310 ppb Au
te
D
Cherty Breccia
ike
Black Graphitic
Cherty Breccia
Massive Pyrita
Strongly Altered
Ultramafic
BCR-07-10
EOH 68.88m
Weakly Altered
Ultramafic
Fe
Po lds
rh pa
yr r
yD
ike
?
Fe
Po lds
rh pa
yr r
yD
ike
Intermediate Dike
and Fault Zone
?
Altered Ultramafic
Feldspar
Porhyry
Dike
Fe
Po lds
rh pa
yr r
yD
ike
235 ppb Au
1.0 ppm Ag
Fe
Po lds
rh pa
yr r
yD
ike
BCR-05-10
EOH 270.05m
Atlin Project
Title:
Strongly Altered
Ultramafic and
Fault Zone
Drillhole Sections
Scale:
Design:
Figure:
Date:
Drawing:
Rev:
November, 2010
TERRACAD LTD.
20
Collar at 576306E, 6605666N
Elevation 735m
225 degrees
035 degrees
Till
350 ppb Au
2.8 ppm Ag
Mafic Volcanic
560 ppb Au
1.7 ppm Ag
59 ppb Au
1.1 ppm Ag
Graphitic Chert
Interm
e
Feldsp diate
ar Porp
hyry
Dike
Altered
Ultramafic
Ultramafic
1.39 g/t Au
14.5 ppm Ag
BCR-06-10
EOH 108.51m
Altered
Ultramafic
c
ni
ca a
l
o i
c V ecc
afi Br
M ow
Fl
d fic
re
te ama
l
A ltr
U
Mafic Volcanic
Flow Breccia
Atlin Project
1.15 g/t Au
11.4 ppm Ag
Title:
BCR-01-10
EOH 203m
Drillhole Sections
Scale:
Design:
Figure:
Date:
Drawing:
Rev:
November, 2010
TERRACAD LTD.
21
270 degrees
090 degrees
Collar at 594700E, 6604114N
Elevation 1388m
Upper Otter Creek
Chert quartzite
and argillite mix
BCR-09-10
EOH 50.29
(lost in fault)
Predominantly
black graphitic
argillite (>75%)
Predominantly
siltstone/quartzite, argillite
Atlin Project
Title:
BCR-08-10
EOH 153.62m
Drillhole Sections
Scale:
Design:
Figure:
Date:
Drawing:
Rev:
November, 2010
TERRACAD LTD.
22
Collar at 594700E, 6604114N
Elevation 1388m
150 degrees
Upper Otter Creek
Predominantly interbedded
chert and quartzitic siltstone
Interbe
dd
argillite ed black gra
ph
and qu
artzitic itic
siltsto
ne
Quartzitic siltstone
BCR-10-10
EOH 123.14m
Black g
ra
argillit phitic
e
230 degrees
Atlin Project
Title:
Drillhole Section
Holes BCR-10-10
Scale:
Design:
Figure:
Date:
Drawing:
Rev:
November, 2010
TERRACAD LTD.
23
Collar at 594981E, 6605409N
Elevation
270 degrees
090 degrees
Interbedded Black
Graphite and Grey
Argillite
Interbedded Black
Graphite and Grey
Argillite
Grey Argillite
Graphite Fault
Gauge
BCR-11-10
EOH 73.76m
Atlin Project
Title:
Interpretative
Drillhole Section
BCR -11-10
Scale:
Design:
Figure:
Date:
Drawing:
Rev:
November, 2010
TERRACAD LTD.
24
270 degrees
090 degrees
Collar at 590612E, 6609431N
Elevation 1014m
Otter Creek
OVB (Fluvium)
Ultramafic
Serpentinised, locally
talc-carb altered
ultramafic, cut by numerous
mafic dikes
SEDS
Clastic sediments: quartzite, sandstone,
and grit (minor argillite)
Mix
BCR-16-09
EOH 104.24m
Intercalated altered
ultramafic and volcanic
breccia
BCR-15-09
EOH 153.92m
Atlin Project
Title:
Drillhole Sections
Scale:
Design:
Figure:
Date:
Drawing:
Rev:
November, 2010
TERRACAD LTD.
25
APPENDIX B
CHECK ASSAYS
Two core intervals were re-sampled by R. Allan Doherty on January 13, 2011-03-15
Original Sample 64097 by Alex Sewart Labs
Drill Hole BCR 09-11 from 89.7 –90.46 m Interval 0.76 m
Resample # 65902 by Acme Analytical Laboratories Ltd.
Original Sample 64624 by Alex Stewart Labs
Drill Hole BCR 10-01 from 199.95 – 200.58 m
Interval 0.63
Resample # 65903 by Acme Analytical Laboratories Ltd.
ACME ANALYTICAL LABORATORIES LTD.
Client:
Aurum Geological Consultants Inc.
File Created:
17‐Feb‐2011
Job Number:
WHI11000031
Number of Samples:
2
Project:
None Given
P.O. Number:
Received:
07‐Feb‐2011
Method
Analyte
Unit
MDL
Sample
Type
65902 ACME
Original ECO TECK R64097
Drill Core
65903 ACME
Drill Core
Drill Core
Repeat ECO TECK R64624 * Drill Core
Notes:
Final Report
WGHT
Wgt
KG
0.01
G6
Au
GM/T
0.01
1DX
Mo
PPM
0.1
1DX
Cu
PPM
0.1
1DX
Pb
PPM
0.1
1DX
Zn
PPM
1
1DX
Ag
PPM
0.1
1DX
Ni
PPM
0.1
1DX
Co
PPM
0.1
1.09
2.28
>1.0
0.1
<1
46.7
34.0
6.8
6.0
46
51
4.6
2.8
37.6
45.0
24.9
28.0
1.48
1.08
1.15
1.08
0.3
<1
127.4
164
8.5
12
51
44
10.7
11.4
72.3
76
70.8
87
Some elements are quoted in % or PPM by the two labs and have been converted.
A few Elements in the ACME analysis such as Be, Te, were not reported by Eco Teck
Li and Be were analysed by Eco Teck but not by ACME
*
Only Gold Fire Assay Repeated by Eco Tech
x
not reported
ACME ANALYTICAL LABORA
Client:
File Created:
Job Number:
Number of Samples:
Project:
P.O. Number:
Received:
1DX
Mn
PPM
1
1DX
Fe
%
0.01
1DX
As
PPM
0.5
65902 ACME
940
883
5.03
5.25
2302.0 <0.1
1630.0
65903 ACME
Repeat ECO TECK R64624 *
950
870
7.40
8.16
2045.2 <0.1
2385
1DX
U
PPM
0.1
1DX
Au
PPB
0.5
1DX
Th
PPM
0.1
1DX
Sr
PPM
1
1DX
Cd
PPM
0.1
1DX
Sb
PPM
0.1
1DX
Bi
PPM
0.1
3.0
8.2
30.0
<0.1
5.0
19
17.9
40
1.6
<5
Sample
x
2164.6 <0.1
>1000
x
1046.9 <0.1
x
x
227 <0.1
192
x
68 <0.1
64
0.034
Notes:
Client:
File Created:
Job Number:
Number of Samples:
Project:
P.O. Number:
Received:
1DX
V
PPM
2
1DX
Ca
%
0.01
1DX
P
%
0.001
1DX
La
PPM
1
1DX
Cr
PPM
1
1DX
Mg
%
0.01
1DX
Ba
PPM
1
1DX
Ti
%
0.001
63
80
6.43
4.73
0.028
0.034
1
<10
32
70
2.90
2.79
59
25
0.001 <20
<0.01
115
148
4.16
3.98
0.050
0.67
1
<2
81
86
2.14
2.3
63
26
0.090 <20
0.09
1DX
B
PPM
20
1DX
Al
%
0.01
x
0.42
0.46
x
1.22
1.13
Sample
65902 ACME
65903 ACME
Notes:
Client:
File Created:
Job Number:
Number of Samples:
Project:
P.O. Number:
Received:
1DX
Na
%
0.001
1DX
K
%
0.01
1DX
W
PPM
0.1
1DX
Hg
PPM
0.01
1DX
Sc
PPM
0.1
1DX
Tl
PPM
0.1
1DX
S
%
0.05
1DX
Ga
PPM
1
1DX
Se
PPM
0.5
65902 ACME
0.019
0.060
0.23
x
0.3
<10
0.04
x
18.1
x
0.3
x
2.89
x
1
x
0.6 <0.2
x
65903 ACME
0.068
0.08
0.19 <0.1
0.13
10
0.03
<5
15.6
17
0.3
x
3.26
x
5
x
0.8
<10
1DX
Te
PPM
0.2
Sample
Notes:
x
1.6
x

Technical Report - Blind Creek Resources

Transcription

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