OVERVIEW PROYECTO CERRO BLANCO

PROYECTO TiO2 CERRO BLANCO, CONTROL Y ASEGURAMIENTO DE CALIDAD,
UN CASO PARTICULAR
CERRO BLANCO / UBICACIÓN Y ACCESOS
CERRO BLANCO / GEOLOGIA REGIONAL
CERRO BLANCO / GEOLOGIA DISTRITAL
CERRO BLANCO / AREA RECURSOS Y PROSPECTOS EXPLORACION
CERRO BLANCO / MODELO DE RECURSOS
CERRO BLANCO / ALTERACION - MINERALIZACION
Titanium-Bearing Mineralogical Species at Cerro Blanco
Mineral
Formula
D
g/cc
Titanomagnetite
+2
+3
(Fe , Fe , Ti)2O4
2+
4.52
3+
Ilmenite
(Fe ,Mg,Mn,Zn,Fe )TiO3
4.78
Rutile
TiO2
4.25
Anatase
TiO2 --> Low temp polymorph or rutile
3.82 - 3.97
Titanite (Sphene)
(Ca,REE)(Ti,Al,Fe)SiO4(O,OH,F)
3.52
CERRO BLANCO / STANDARDS MATERRIAL UTILIZADO
HOLE-ID
SAMPLE
TiO2
STANDARD - HIGH GRADE
T3-008
10070-5
2.56
T2-023
10146-5
2.55
T2-023
10144-5
2.53
2.55
Mean Grade
STANDARD - MEDIUM GRADE
T7-009
10453-5
2.06
T8-014
10505-5
2.09
2.08
Mean Grade
STANDARD - LOW GRADE
T5-010
10329-5
1.50
T2-023
10155-5
1.53
T7-009
10435-5
1.53
Mean Grade
1.52
CERRO BLANCO / STANDARDS PROTOCOLO PREPARACION
CERRO BLANCO / STANDARDS PROTOCOLO PREPARACION
CERRO BLANCO / ROUND ROBIN
LABORATORIES
METHOD
CODE
1
ALS Chemex – Vancouver
Lithium Borate Flux
ALS
2
Actlabs
Lithium Meta/Tetraborate Fusion
ACT
3
Nevada Bureau of Mines & Geology
NBM
4
Wyoming Analytical Laboratories
WAL
5
Global Discovery Labs – Teck Cominco
Lithium Tetraborate Flux
GDL
6
SGS Lakefield Research Limited
Borate Fusion
SGS
7
CESMEC – Chile
CES
TiO2 For All Laboratories
Figure 5.1 White Mountain TiO2 - High Standard
2.90
2.80
2.70
2.60
2.50
2.40
2.30
2.20
2.10
2.00
1.90
1.80
1.70
ALS
MBM
ACT
CES
SGS
GDL
WAL
1
2
3
4
5
6
7
Samples 1 to 10
8
9
10
11
CERRO BLANCO / ROUND ROBIN
Figure 5.2 White Mountain TiO2 - Medium Standard
TiO2 for Each laboratory
2.10
2.05
ALS
2.00
MBM
1.95
ACT
CES
1.90
SGS
1.85
GDL
WAL
1.80
1.75
1
2
3
4
5
6
7
8
9
10
11
Samples 1 to 10
Figure 5.3 White Mountain TiO2 - Low Standard
TiO2 for each Laboratory
1.60
1.55
ALS
MBM
1.50
ACT
CES
1.45
SGS
GDL
WAL
1.40
1.35
1
2
3
4
5
6
7
Samples 1 to 10
8
9
10
11
CERRO BLANCO / ROUND ROBIN
Medias Laboratorios Para Cada Standard
Laboratory
ALS
NBM
ACT
CES
SGS
GDL
WAL
HIGH
2.656
2.533
2.436
2.492
2.615
2.534
2.583
MEDIUM
2.068
1.956
1.877
1.882
2.035
1.981
1.999
Rangos Laboratorios Para Cada Standard
Laboratory
ALS
NBM
ACT
CES
SGS
GDL
WAL
LOW
1.566
1.524
1.470
1.502
1.546
1.478
1.556
Varianzas Laboratorios Para Cada Standard
Laboratory
ALS
NBM
ACT
CES
SGS
GDL
WAL
HIGH
0.00016
0.00053
0.08158
0.00013
0.00094
0.00007
0.00127
MEDIUM
0.00006
0.00343
0.00118
0.00055
0.00049
0.00003
0.00014
LOW
0.00012
0.00069
0.00040
0.00140
0.00012
0.00008
0.00085
HIGH
0.040
0.070
1.030
0.040
0.100
0.030
0.100
MEDIUM
0.020
0.220
0.080
0.070
0.080
0.020
0.040
LOW
0.030
0.100
0.070
0.130
0.030
0.030
0.080
CERRO BLANCO / ROUND ROBIN
Medias Laboratorios Para Cada Standard
Laboratory
ALS
NBM
ACT
CES
SGS
GDL
WAL
HIGH
2.656
2.533
2.436
2.492
2.615
2.534
2.583
MEDIUM
2.068
1.956
1.877
1.882
2.035
1.981
1.999
Rangos Laboratorios Para Cada Standard
Laboratory
ALS
NBM
ACT
CES
SGS
GDL
WAL
LOW
1.566
1.524
1.470
1.502
1.546
1.478
1.556
Varianzas Laboratorios Para Cada Standard
Laboratory
ALS
NBM
ACT
CES
SGS
GDL
WAL
HIGH
0.00016
0.00053
0.08158
0.00013
0.00094
0.00007
0.00127
MEDIUM
0.00006
0.00343
0.00118
0.00055
0.00049
0.00003
0.00014
LOW
0.00012
0.00069
0.00040
0.00140
0.00012
0.00008
0.00085
HIGH
0.040
0.070
1.030
0.040
0.100
0.030
0.100
MEDIUM
0.020
0.220
0.080
0.070
0.080
0.020
0.040
LOW
0.030
0.100
0.070
0.130
0.030
0.030
0.080
CERRO BLANCO / ROUND ROBIN ISO 5725
Test Cochran de Precisión
Level
C
Critical C 1%
Critical C 5%
HIGH
0.963
ACT
0.375
0.326
MEDIUM
0.582
NBM
0.375
0.326
LOW
0.382
CES
0.375
0.326
Test Grubb de Exactitud
Test
Single Lo
Single Hi
Citical 1%
Critical 5%
HIGH
1.52
1.42
2.14
2.02
MEDIUM
1.30
1.34
2.14
2.02
LOW
1.32
1.20
2.14
2.02
CERRO BLANCO / LEYES NOMINALES Y LIMITES CONFIDENCIA
Nominal Grades & Limits
Standard Nominal Grades
Within Lab 95% Upper Limit
Within Lab 95% Lower Limit
Global 95% Upper Limit
Global 95% Lower Limit
HIGH
2.57
2.61
2.53
2.73
2.41
MEDIUM
1.97
2.01
1.93
2.17
1.77
LOW
1.52
1.56
1.48
1.64
1.40
CERRO BLANCO / STANDARDS PERFORMANCE CAMPAÑAS DDH 2006 & 2008
Figure 6.1 White Mountain TiO2 - High Standard
Figure 6.2 White Mountain TiO2 - Medium Standard
2.75
2.20
2.70
2.15
2.10
TiO2 ALS
TiO2 (%)
Hi Global
2.55
Low Within
2.50
Hi Within
2.45
Mean
TiO2
2.05
Low Global
2.60
Low Global
2.00
Hi Global
1.95
Lo Within
1.90
Hi Within
1.85
Mean
1.80
2.40
1.75
2.35
1.70
0
5
10
15
20
0 1
2 3 4 5
Batches - 2006 & 2008 Drilling
6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
Batches - 2006 & 2008 Drilling
Figure 6.3 White Mountain TiO2 - Low Standard
1.700
1.650
TiO2
1.600
TiO2 (%)
TiO2 (%)
2.65
Lo Global
1.550
Hi Global
1.500
Lo Within
Hi Within
1.450
Mean
1.400
1.350
0
5
10
Batches - 2006 & 2008 Drilling
15
20
CERRO BLANCO / STANDARDS PERFORMANCE CAMPAÑAS DDH 2006 & 2008
Figure 6.4 Use of Standards in 2006 & 2008 Drilling Campaigns
Assayed Standard Values (ALS)
2.60
2.20
1.80
y = 1.0301x
R2 = 0.993
1.40
1.40
1.80
2.20
Nom inal Standard Values
2.60
CERRO BLANCO / STANDARDS PERFORMANCE CAMPAÑA DDH 2010-2011
Figure 2.1 White Mountain TiO2 - High Standard
Figure 2.2 White Mountain TiO2 - Medium Standard
2.20
2.75
2.15
2.70
2.10
2.65
2.05
TiO2 ALS
Hi Global
2.55
Low Within
TiO2
TiO2 (%)
Low Global
2.00
Low Global
Hi Global
1.95
Lo Within
Hi Within
1.90
Hi Within
2.50
Mean
Mean
1.85
2.45
1.80
2.40
1.75
2.35
186561
1.70
186861
187161
187461
187761
188061
188361
188661
186600
186900
Samples - 2010 & 2011 Drilling
187200
187500
187800
188100
Samples - 2010 & 2011 Drilling
Figure 2.3 White Mountain TiO2 - Low Standard
1.700
1.650
1.600
TiO2
TiO2 (%)
TiO2 (%)
2.60
Lo Global
1.550
Hi Global
Lo Within
1.500
Hi Within
Mean
1.450
1.400
1.350
186581
186881
187181
187481
187781
188081
Samples - 2010 & 2011 Drilling
188381
188681
188400
188700
CERRO BLANCO / STANDARDS PERFORMANCE CAMPAÑA DDH 2010-2011
Figure 2.4 Use of Standards in 2010 & 2011 Drilling Campaign
Assayed Standard Values (ALS)
2.60
2.20
1.80
y = 0.9881x
R2 = 0.9888
1.40
1.40
1.80
2.20
Nominal Standard Value s
2.60
GRACIAS