otway basin biozonation and stratigraphy
Transcription
otway basin biozonation and stratigraphy
OTWAY BASIN BIOZONATION AND STRATIGRAPHY Epoch 0 Stage Holocene Quaternary Pleistocene Pliocene 5 Spore-Pollen Sub-zones SE Standard (A.D.P 2006) (A.D.P 2006) Lt. Pleist. M. Pleist. E. Pleist. Gelasian Piacenzian Zanclean Messinian Taylor Foram Zonation Otway Basin Dinocyst Zones Australian Dinocyst Zonation (Rexilius 2009, unpub) (Taylor 1961) (A.D.P 2006) (HMP 2006) N22 A1 N, P Zones (Blow 1969, 1999) KCCM Zones Tubulifloridites pleistocenicus A4 Neogene Wannaeue Formation May range younger Hanson Plain Sand 5 Moorabool Viaduct Sand Mellitasphaeridium choanophorum B2 10 N14 C N13 Triporopollenites bellus Serravillian D1 N11 Lower Port Campbell Limestone N10 N6 Heytesbury Sequence Tuberculodinium vancampoae G N5 H1 Aquitanian Green Point Member N4 Ophioglossisporites lacunosus Proteacidites tuberculatus 25 Gambier Limestone H2 Camelback Member N3, P22 I1 Chattian Protoellipsodinium simplex T3 I2 N2, P21 Oligocene Granodisporites nebulosus 30 May range older J1 P19 Proteacidites stipplatus Fromea leos Greenways Member Spiniferites ramosus P18 J2 Phthanoperidinium comatum P17 Point Addis Limestone Angahook Formation "Postulated missing section" M P15 Nothofagidites asperus Anacolosidites luteoides Bartonian P14 Gippslandica extensa N Narrawaturk Marl Nirranda Sequence Mepunga Formation Narrawaturk Marl Mepunga Formation Anglesea Formation 30 35 Salt Creek Formation Boonah Formation Mepunga Formation Achilleodinium biformoides P12 40 Upper Eastern View Group Enneadocysta partridgei Unnamed O P11 Arachnodinium antarcticum Lutetian Eocene Narrawaturk Marl Deflandrea heterophlycta P13 Plicodiporites crescentis Paleogene Corrudinium incompositum "Postulated missing section" Addiscot Formation Wangoom Sand Nirranda Group L Triorites magnificus Nirranda Group P16 Priabonian 20 25 Clifton Formation K 35 Puebla Formation Jan Juc Formation "Postulated missing section" N1, P20 Rupelian Gellibrand Marl Torquay Group Member N7 Acaciapollenites myriosporites 15 Naracoorte Limestone Demons Bluff Group E2 F Heytesbury Group N8 Nirranda Group D2 E1 Heytesbury Group N9 Gambier Limestone Langhian Gambier Limestone Miocene May range younger N12 20 45 0 N15 Upper Burdigalian 40 0 Coomandook Formation B1 N17b 100 Newer Volcanics T4 N18/N19 N16 15 200 Bridgewater Formation Whalers Bluff Sequence A3 N20/N21 Short Term Sea level curve Offshore Torquay Sub-basin Newer Volcanics Myrtaceidites lipsis Tortonian Port Campbell Embayment (South of Tartwaup Hingeline) Bridgewater Formation Achomosphaera ramulifera N17 10 (Includes offshore NW Otway in SA, Lake Eliza High, Lucindale High, Penola Trough, Kalangadoo High and extension of latter two into western Victoria) Protoperidinium leonis A2 Foraminisporis bifurcatus Gambier Embayment and Voluta Trough Robe - Penola Trough Seismic Horizons and Sequences AGE (Ma BP) Period Spore-Pollen Zonation SE Standard Heytesbury Group AGE (Ma BP) GTS 2004 Timescale T2 45 Paucilobimorpha asteris Membranophoridium perforatum P10 Proteacidites asperopolus P Charlesdowniea edwardsii Homotryblium tasmaniense P9 50 P8 Santalumidites cainozoicus P7 Myrtaceidites tenius Dilwyn Formation Dilwyn Formation Rhombodinium waipawaense R Apectodinium homomophum P6b Proteacidites tuberculiformis Wangerrip Sequence Apectodinium reburrus Spinizonocolpites prominatus P5 Matonisporites gigantis Propylipollis annularis T Pember Mudstone Senegalinium dilwynensis U Thanetian Eisenackia crassitabulata P4 Proteacidites angulatus Selandian Paleocene 55 Pebble Point Formation (Upper) Pebble Point Formation Arg, Mts 60 Pember Mudstone Eastern View Group S P6a Proteacidites grandis Pember Mudstone Apectodinium hyperacanthum Wangerrip Group 55 Rob Wangerrip Group Malvacipollis diversus 50 Wilsonidinium ornatum Q Wangerrip Group Ypresian Dilwyn Formation Charlesdowniea thompsoniae Alisocysta circumtabulata Lygistepollenites balmei P3 Pebble Point Lin Formation (Lower) Pebble Point Formation Tetracolporites verrucosus Eastern P2 PA 65 Massacre Shale T1 Trithyrodinium evittii P0 Tripunctisporis maastrichtiensis View Group Palaeoperidinium pyrophorum P1 Danian 60 Lower Massacre Shale 65 KCCM1-5 Wiridjil Gravel Manumiella druggii Manumiella druggii Maastrichtian KCCM6-10 Timboon Sandstone KCCM16 KCCM17 Campanian KCCM18 Isabelidinium korojonensis KCCM19 80 Gambierina rudata Otway Basin Dinocyst Sub-zones KCCM20-23 Nothofagidites senectus Forcipes sabulosus KCCM24 Santonian Paaratte Formation Xenikoon australis Xenikoon australis (A.D.P 2006) Nelsonia aceras Nelsoniella aceras Isabelidinium rotundatum Isabelidinium cretaceum Isabelidinium cretaceum Odontochitina porifera Odontochitina porifera Tricolporites apoxyexinus Chatangiella tripartita KCCM25-27 Conosphaeridium striatoconum Clavifera vultuosus Coniacian Gleicheniidites ancorus KCCM28 Phyllocladidites mawsonii Laevigatosporites musa Boundary uncertain Turonian KCCM29-32 Hoegisporis trinalis Mount Salt Formation 80 Conosphaeridium striatoconum ? Belfast Mudstone (B) Belfast Mudstone (Morum Member) Belfast Mudstone (A) PtF, GeoN, Wes ? LC1.1 Geo, Thy ? LC1 Flaxman Formation C (Banoon Mbr) Flaxman Formation Flaxman Formation (B) ? Flaxman Formation infusorioides Car, PLo BkR1, Cal, Nor Waarre Formation Copa Formation Copa Formation Waarre Formation (Cb) LB, BCr, Butt, Cas 1-3,5, PCa1 Dun, EW1ST1, Hal 1, DW1 & 2, Hen 1, Ion, Lan, McI, Mar, NPa, Pec, SCr, Van, Wal 1 & 2 Myl 90 Flaxman Formation (A) PtF Waarre Formation 85 ? BkR1 Belfast Mudstone Possibility of Sherbrook Group equivalent NOT known Nullawarre Greensand Belfast Mudstone (C) Geo KCCM33 95 Mudstone Formation ? Palaeohystrichophora Palaeohystrichophora infusorioides Skull Creek Paaratte Cas1, Mnv Shipwreck Sequence Kiokansium polypes Isabelidinium evexus Heterosphaeridium Acme Cribroperidinium edwardsii Acme Paaratte Formation LC2 Trithyrodinium 90 75 Isabelidinium korojonense Tricolporites lilliei 85 (Bottom of Eastern View Group within F. longus zone in wells.) Sherbrook Sequence Sherbrook Group 75 Timboon Sandstone Microplankton not diagnostic KCCM11-15 Late 70 Timboon Sandstone Proteacidites reticuloconcavus Sherbrook Group Forcipites longus Sherbrook Group 70 Waarre Formation (Ca) Waarre Formation (B) Waarre Formation (A) How, Mnv, Thy, Tri 95 KCCM34 Hoegisporis uniforma Cenomanian Diconodinium multispinum KCCM35-36 100 Cretaceous 100 Xenascus asperatus Phimopollenites pannosus Dioxya armata Eumeralla Formation KCCM44 Flx, Lan, SCr PCa4, Win1 Endoceratium ludbrookiae Eumeralla Formation (Volcanigenic, lithic sandstones and shales) Albian Coptospora paradoxa Canninginopsis denticulata May range older (Oldest zone penetrated south of Tartwaup Hingeline is P. pannosus) KCCM45 110 Muderongia tetracantha Eumeralla Sequence KCCM46 Crybelosporites striatus Heathfield Sandstone Member 115 105 No evidence of any zones younger than Crybelosporites striatus zone. Flx, Vau 110 Otway Group 105 KCCM37-43 Eumeralla Formation 115 KCCM47 Eumeralla Formation Diconodinium davidii Kat Eumeralla Formation Aptian Eumeralla Formation 120 120 Cyclosporites hughesi KCCM48 Win2 Early Odontochitina operculata EC2 Wal2, Grv Windermere Sandstone Member 125 125 KCCM49 Otway Group Katnook Sandstone Has, Hso, LGr 130 Laira Formation Foraminisporis wonthaggiensis Gre Muderongia testudinaria KCCM50 Hauterivian Phoberocysta burgeri 135 Trs Wyn Zem NMi Pretty Hill Formation Senoniasphaera tabulata Upper Sawpit Shale Systematophora areolata Lower Sawpit Shale Crayfish Sub-group of Otway Group Muderongia australis 130 Unpenetrated in Offshore Torquay Sub-basin Barremian Pretty Hill Formation Valanginian Crayfish Sequence Upper Kal Egmontodinium torynum 140 Casterton Formation Undifferentiated Otway Group (Lithologies uncertain. Not penetrated in any offshore wells Batioladinium reticulatum Ruffordiaspora australiensis Batioladinium lobispinosum EC1.1 Lower Cassiculosphaeridia delicata Kalyptea wisemaniae 145 Dingodinium jurassicum Retitriletes watherooensis Tithonian Omatia montgomeryi 150 Age uncertain. Taditionally considered older on weak data Age uncertain. Traditionally considered older on weak data. Presence of Gagiella mutabilis zone in Sawpit 1 suggest that Berriasian and Late Jurassic microflora are absent from Otway Basin. Pseudoceratium iehiense 145 150 Cribroperidinium perforans Jurassic 140 Saw Berriasian 155 Casterton Formation Otway Group Sawpit Sandstone 135 Base Dingodinium swanense Late Kimmeridgian 155 Wanaea clathrata Upper Murospora florida Wanaea spectabilis Oxfordian 160 Coleraine and Casterton 1 Volcanics 160 Ctenidodinium ancorum Middle 09-3792-1 GTS 2004 Timescale After figure 30. O’BRIEN, G.W., BERNECKER, T., THOMAS, J.H., DRISCOLL, J.P. & RIKUS, L., 2006. An assessment of the Hydrocarbon Prospectivity of Areas VIC/O-06(1), VIC/O-06(2), VIC/O-06(3) and V06-1, Eastern Onshore and Offshore Otway Basin, Victoria, Australia. Victorian Initiative for Minerals and Petroleum Report 87, Department of Primary Industries. After figure 35. O’BRIEN, G.W., BERNECKER, T., THOMAS, J.H., DRISCOLL, J.P. & RIKUS, L., 2006. An assessment of the Hydrocarbon Prospectivity of Areas VIC/O-06(1), VIC/O-06(2), VIC/O-06(3) and V06-1, Eastern Onshore and Offshore Otway Basin, Victoria, Australia. Victorian Initiative for Minerals and Petroleum Report 87, Department of Primary Industries. Stratigraphic reference section for the Crayfish Sub-group in the Gordon 1 well. Stratigraphic reference section for the lower Shipwreck Group in the Langley 1 well. After figure 27. O’BRIEN, G.W., BERNECKER, T., THOMAS, J.H., DRISCOLL, J.P. & RIKUS, L., 2006. An assessment of the Hydrocarbon Prospectivity of Areas VIC/O-06(1), VIC/O-06(2), VIC/O-06(3) and V06-1, Eastern Onshore and Offshore Otway Basin, Victoria, Australia. Victorian Initiative for Minerals and Petroleum Report 87, Department of Primary Industries. OTWAY BASIN LOCALITY MAP Argonaut Boggy Creek Breaksea Reef Buttress Callister Caroline Casino Dunbar East Wing Flaxmans - Arg BCr BkR Butt Cal Car Cas Dun EW Flx GarvocGeographe Geographe North Greenways Halladale Haselgrove Haselgrove South Henry Howmains Iona - Grv Geo GeoN Gre Hal Has Hso Hen How Ion Kalangadoo Katnook La Bella Ladbrooke Grove Langley Lindon Martha McIntee Minerva Mount Salt - Mylor 1 Normanby North Paaratte Nunga Mia Pecten Pine Lodge Port Campbell Port Fairy Robe Sawpit - Kal Kat LBl LGr Lan Lin Mar McI Mnv MtS Myl Nor NPA NMi Pec PLo Pca PtF Rob Saw Skull Creek Thylacine Triton Troas Vaughan Wallaby Westgate Windermere Wynn Zema - Onshore Oil & gas discovery Oil & gas show Gas prone source rock Offshore Oil discovery Gas discovery Oil & gas prone source rock Group Oil show Gas show ? SCr Thy Tri Trs Vau Wal Wes Win Wyn Zem Possible source rock Limestone Conglomerate Sandstone (very fine-grained) Sandy siltstone Basalt Sandy Limestone Mixed Marine Sandstone (fine-grained) Siltstone Volcanics Oolitic Limestone Pelagic Marl Sandstone (medium-grained) Mudstone 09-3792-1 © Commonwealth of Australia (Geoscience Australia) 2009 The timescale, biozonation and stratigraphic data herein were compiled using Timescale Creator PRO 1.2, developed by Adam Lugowski, Jim Ogg and Felix Gradstein and using the GTS 2004 Timescale. Production Design by Veronika Galinec Geoscience Australia has tried to make the information in this product as accurate as possible. However, it does not guarantee that the information is totally accurate or complete. Therefore, you should not rely solely on this information when making a commercial decision. Otway Basin Biozonation and Stratigraphy, 2009 Chart 34 D.J. Mantle, T. Bernecker & A.P. Kelman (GA) A.D. Partridge (Biostrata Pty Ltd) Inquiries and further information about this chart and related products can be obtained from either Dr. Robert S. Nicoll (phone: +61 2 6249 9484 email: [email protected]) or Dr John R. Laurie (phone: +61 2 6249 9412; email: [email protected]). These charts represent revisions of a previous series tying selected Australian biozonation and lithostratigraphic schemes from the Geoscience Australia databases to the Geologic Time Scale 2004 (Gradstein et al, 2004). Feedback or comments on the data contained herein is encouraged.