Stratigraphic Name | Stratno |  Previous Name  |Previous Name Stratno| Replacement Name | Replacement Name Stratno |Is Current | Rank | Status | Category | Usage | Parent Name | Parent Stratno | Chemical Parent Name | Chemical Parent Stratno | Top Minimum Age Name | Top Minimum Age (Ma) | Top Minimum Age Error (Ma)| Top Minimum Age Method | Topstrat Age Event | Base Maximum Age Name | Base Maximum Age (Ma) | Base Maximum Age Error (Ma) | Base Maximum Age Method | Basestrat Age Event | Minimum Thickness (m) | Maximum Thickness (m) | Type Section State | Definition Card | First ref as on form | Def ref as on form | Reserved by | Resdate | Approved by | Approved date |General Comments | Lithology Description | Primary Lithology Group | Secondary Lithology Group | Tectonic Setting | Intrusive | Granite Type | Last Update
Ball Bay Basalt|967|||||Yes|Formation, beds|Formal|Unknown or process pending|Defined|||||Pliocene|3.01|.03|isotopic, K/Ar|eruption|Pliocene|3.08|.06|isotopic, K/Ar||||NFK|No|31571|31571|||||Norfolk Island. Age: 3.01-3.08 +/- 0.06My from analyses done between 1970 and 1973.|Thinly columnar and hackly jointed basaltic lava, breccia|basic volcanic rock|||N||17-JAN-23
Barracouta Shoal Formation|74901|Barracouta Formation (WA)|1157|||Yes|Formation, beds|Formal|Variation of published name|Briefly described|Woodbine Group|20481|||Holocene||||deposition|Late Miocene||||||||No|69452||Nicholl, R., Kelman, A.  (GA)|11-SEP-08|||Replaces the invalid Barracouta Formation (WA)  -  the older Barracouta Formation of Gippsland Basin (Victoria), has priority.|||||N||17-JAN-23
Bassett Formation|1240|||||Yes|Formation, beds|Formal|Other new published name|Briefly described|Woodbine Group|20481|||Paleocene||||deposition|Maastrichtian||||||||No|42053||||||Offshore. Vulcan Sub-basin &  Browse Basin.|||||N||17-JAN-23
Blue Whale Supersequence|38064|||||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Briefly described|||||Cenomanian|||biozone||Albian|||biozone|||2000||No|24336||Totterdell, J.M.|||||Marine silts and shales were widely deposited.|fine grained siliciclastic rock||continental rift|N||17-JAN-23
Bremer 1|73234|||||Yes|Group, Suite|Sequence stratigraphy|Sequence strat published|Described|||||Biretisporites eneabbaensis Zone|141||biozone|deposition|Callovian|||biozone|deposition||4500||No|63241||Ryan, D.J.|08-MAY-07|||Age definition based on limited biostratigraphic information from dredge samples. The maximum age of the sequence is based on the presence of the M. florida microflora. Sequence is equivalent to the sub-basin's syn-rift sequences.||siliciclastic sedimentary rock||continental rift|N||17-JAN-23
Bremer 2|73235|||||Yes|Group, Suite|Sequence stratigraphy|Sequence strat published|Described|||||Biretisporites eneabbaensis Zone|133||biozone|deposition|Retitriletes watherooensis|146||biozone|deposition||2200||No|63241||Ryan, D.J.|08-MAY-07|||The minimum and maximum ages of this seismic-stratigraphic unit is poorly constrained by dredge data, however it is interpreted to be largely equivalent to the Minke Supersequence in the Eyre Sub-basin.||siliciclastic sedimentary rock||continental rift|N||17-JAN-23
Bremer 3|73236|||||Yes|Formation, beds|Sequence stratigraphy|Sequence strat published|Described|||||Gagiella mutabilis|||biozone|deposition|Fusiformacysta tumida|142||biozone|deposition||2000||No|63241||Ryan, D.J.|08-MAY-07|||The lower boundary of this sequence is poorly constrained due to lack of high confidence dredge-seismic ties and has been correlated to major sequence boundaries in Bight and Perth basins.||siliciclastic sedimentary rock||continental rift|N||17-JAN-23
Bremer 4|73237|||||Yes|Formation, beds|Sequence stratigraphy|Sequence strat published|Described|||||Odontochitina operculata 2c|||biozone|deposition|Balmeiopsis limbata Zone|135||biozone|deposition||2400||No|63241||Ryan, D.J.|08-MAY-07|||The basal surface is a interpreted as a widespread flooding event that appears to be coincident with a extensional episode. The upper boundary is well constrained by restricted-marine and marine dinoflagellates.||siliciclastic sedimentary rock||continental rift|N||17-JAN-23
Bremer 5|73238|||||Yes|Group, Suite|Sequence stratigraphy|Sequence strat published|Described|||||Conosphaeridium striatoconum|||biozone|deposition|Diconodinium davidii|||biozone|deposition||1000||No|63241||Ryan, D.J.|08-MAY-07|||Lower boundary is well defined and is related to the onset of marine conditions in the basin. The upper boundary is based on the presence of C. striatoconum in several dredges above the 'breakup' unconformity.||siliciclastic sedimentary rock||continental rift|N||17-JAN-23
Bremer 6|73239|||||Yes|Formation, beds|Sequence stratigraphy|Sequence strat published|Described|||||Manumiella druggii|||biozone|deposition|Diconodinium multispinum 1aii|||biozone|deposition||600||No|63241||Ryan, D.J.|08-MAY-07|||||siliciclastic sedimentary rock||passive margin|N||17-JAN-23
Bronze Whaler Supersequence|38065|||||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Briefly described|||||Albian|||biozone||Valanginian|||biozone|||650||No|24336||Totterdell, J.M.|||||fluvio-lacustrine sediments.|sedimentary rock||continental rift|N||17-JAN-23
Cartier Formation|3707|Cartier Beds|3705|||Yes|Formation, beds|Formal|Variation of published name|Fully described|Woodbine Group|20481|||Aquitanian|20.4|||deposition|Oligocene|30|||||||No|41437|||||||Comprises claystones, marls and calcisiltites.|carbonate sedimentary rock|siliciclastic sedimentary rock||N||17-JAN-23
Cascade Basalt|3727|||||Yes|Formation, beds|Formal|Unknown or process pending|Defined|||||Gelasian|2.41|.03|isotopic, K/Ar|eruption|Pliocene|2.74|.03|isotopic, K/Ar||||NFK|No|31571|31571|||||Norfolk Island.  Thickness: 60m+. Age: 2.74-2.41 +/- 0.03My.|Nonfragmental lenticular flows. Tuff at base.|basic volcanic rock|||N||17-JAN-23
Charlotte Supersequence|80796|||||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Defined|||||Valanginian|||biozone||Berriasian|||biozone||0|3625|WA|Yes|71958||||||Published in: GA record: An Integrated Study of the CO2 Storage Potential in the Offshore Vlaming Sub-Basin (Borissova et al., 2014) [actually GA Record 2015/09]. Mostly coincides with lithostratigraphic unit Charlotte Sandstone of Parmelia Group,  hence has been assigned a similar name.|Predominantly a very fine to very coarse quartzose sandstone with minor interbedded mudstone and coal.|siliciclastic sedimentary rock|organic rich sedimentary rock||N||01-JUN-23
Crayfish Supersequence|73284|||||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Defined|||||Foraminisporites wonthaggiensis|117||biozone|deposition|Retitriletes watherooensis|146||biozone||0|5000||No|63134|63134|Ryan, D.J.|15-MAY-07|||The base of this sequence may be older than Tithonian as the base of the deepest half-graben have not been intersected by drilling. Sequence marks the onset of rifting in the Otway Basin and growth of major half-graben depocentres.|Organic-rich mudstones, sandstones and basalts.|siliciclastic sedimentary rock||continental rift|N||17-JAN-23
Dugong Supersequence|38055|||||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Briefly described|||||Lutetian|||||Lutetian|||biozone|||||No|24336||Totterdell, J.M.|||||Includes marls and limestones.|carbonate sedimentary rock|||N||17-JAN-23
Duncombe Bay Basalt|5807|||||Yes|Formation, beds|Formal|Unknown or process pending|Defined|||||Pliocene|2.66|.04|isotopic, K/Ar|eruption|Pliocene|2.69|.03|isotopic, K/Ar||||NFK|No|31571|31571|||||Norfolk Island. Lava flow. Age: 2.69-2.66 +/- 0.04My.||basic volcanic rock|||N||17-JAN-23
Duncombe Bay Basalt, Cascade Basalt, Steels Point Basalt, Ball Bay Basalt|70139|||||Yes|Group, Suite|Informal|Variation of published name|Not recorded|||||Pleistocene||||eruption|Pliocene||||||||No|||||||Informal grouping of units on Norfolk Island for the 1:1 Million Surface Geology of Australia.|Basalt, basaltic tuff, hyaloclastite; minor calcareous aeolianite|basic volcanic rock|||N||17-JAN-23
Echuca Shoals Formation|5943|||||Yes|Formation, beds|Formal|Other new published name|Described|Bathurst Island Group|1249|||Aptian|114|||deposition|Valanginian|133|||||||No|42053||||||See also Echuca Shoals (abbreviated version). Includes hydrocarbon source rocks.|Predominantly an extensive claystone; organic-rich, oil-prone marine shale.|fine grained siliciclastic rock|organic rich sedimentary rock||N||17-JAN-23
Elm Sandstone Member|79737|||||Yes|Member, phase|Informal|Other new published name|Described|Vulcan Formation|19148|||Kimmeridgian||||deposition|Oxfordian||||||||No|||||||Recognised in Vesta-1 from 3342.0m to 3479m as a series of blocky sandstones ([each] <10m thick), within homogeneous claystone of the Lower Vulcan Formation. Information from: Ellis, G., Bond, A., (2006). AC/P-21 : VESTA-1 WELL COMPLETION REPORT (INTERPRETIVE DATA), Eni Australia Ltd,  p27 in particular. Also found in Vesta-2. Important for oil and gas discoveries.Found in Swan Graben and Eclipse high. See also Elm Sandstone.|Well cemented quartz arenites, dominantly fine to medium, with common loose very fine to fine quartz grains, poorly sorted, sub-angular to sub-rounded, with trace calcareous cement and trace brownish grey argillaceous matrix|medium-coarse grained siliciclastic rock|||N||17-JAN-23
Eumeralla Supersequence|73285|||||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Defined|||||Phimopollenites pannosus|96.6||biozone|deposition|Pilosisporites notensis|117||biozone|||2300||No|63134|63134|Ryan, D.J.|15-MAY-07|||Sequence marks the onset of thermal subsidence following initial continental rifting and half-graben growth.age: Barremian- Cenomanian|Sequence comprises chloritic, micaceous and carbonaceous claystone and volcaniclastic and feldspathic sandstone.|siliciclastic sedimentary rock||continental rift|N||17-JAN-23
Fossil Head Formation|6858|Fossil Head beds|6860|||Yes|Formation, beds|Formal|Other new published name|Fully described|Kinmore Group|9623|||Roadian|||biozone|deposition|Sakmarian|||inferred, biostratigraphic correlation|||590|WA|No|23820||||||Gas prone unit. Numerical age: ~287-~273Ma (Sakmarian - Kungurian, from 2001 chart. 2015 biozonation and stratigraphic chart shows the unit as Sakmarian- Roadian.|Carbonaceous siltstone and mudstone with sandstone and minor limestone. Abundantly fossiliferous.|fine grained siliciclastic rock|||N||17-JAN-23
Gibson Formation (OFF)|75612|||||Yes|Formation, beds|Informal|Other new published name|Briefly described|Bathurst Island Group|1249|||Campanian|82||||Santonian|86|||||||No|42053||||||Gibson Formation used for two separate units in WA. Cretaceous unit within Bathurst Island Group, in Vulcan Sub-basin is Invalid name - not the same unit as another Gibson Formation in the Yeelirrie area of WA which is properly defined ?and has priority.  Use Brown Gannet Limestone instead? Also distinct from Gibson Creek Formation, NT.|||||N||17-JAN-23
Hammerhead Supersequence|38060|||||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Briefly described|||||Maastrichtian|||||Santonian|||biozone|||5000||No|24336||Totterdell, J.M.|||||Sand-rich|siliciclastic sedimentary rock||passive margin|N||17-JAN-23
Heytesbury Supersequence|73300|||||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Defined|||||upper Triporopollenites bellus|||biozone|deposition|middle Proteacidites tuberculatus|||biozone|||||No|63134|63134|Ryan, D.J.|15-MAY-07|||The Heytesbury Supersequence is characteristed by a succession of progradational carbonates, the development of large submarine canyons and a major basal incision surface.|Calcareous claystone overlain by marls, calcarenite and calcilutite; shaly limestone overlain by calcarenite and calcilutite; quartz sandstone overlain by silty mudstone, and limestone.|carbonate sedimentary rock||passive margin|N||17-JAN-23
Heywood Formation|79267|||||Yes|Formation, beds|Informal|Variation of published name|Briefly described|Bathurst Island Group|1249|||Turonian||||deposition|Barremian||||||||No|69689||||||Yampi Shelf, Browse Basin. Lateral equivalent or junior synonym of Jamieson Formation?|Fine- to very fine-grained sandstones.|siliciclastic sedimentary rock|||N||17-JAN-23
Hibernia Formation|27432|Hibernia Beds|8320|||Yes|Formation, beds|Formal|Variation of published name|Fully described|Woodbine Group|20481|||Eocene|42|||deposition|Eocene|50|||||1200||No|41437||||||Grebe Sandstone Member reappears as basal Member of this unit, in Geology and mineral resources of the Northern Territory (2013).|Limestone, sandstone; minor shale and marl.|carbonate sedimentary rock|siliciclastic sedimentary rock||N||17-JAN-23
Hyland Bay Subgroup|77685|Hyland Bay Sub-group|74045|||Yes|Subgroup|Formal|Resvd name published|Described|Kinmore Group|9623|||Changhsingian|||||Roadian||||||||No|69452||Edwards, D. (GA) after Gorter, J.D. 1998|21-DEC-12|||Bonaparte Basin, Petrel Sub-basin. Age: Kungurian-Ufimian to latest Permian. Includes Torrens, Pearce, Cape Hay, Dombey and Tern Formations (after Gorter et al. 2009). This version of the name is preferred by Geoscience Australia. See also information under Hyland Bay Sub-group and Hyland Bay Formation.|Mudstone, siltstone, sandstone and carbonate rocks.|carbonate sedimentary rock|siliciclastic sedimentary rock||N||17-JAN-23
J10|81057|||||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Briefly described|||||Sinemurian|196.18||inferred, biostratigraphic correlation|minimum depositional age|Hettangian|201.36||inferred, biostratigraphic correlation||||OFF|Yes|||||||Same as Marshall and Lang, 2013. Base defined by J10.0 SB. Same as Marshall and Lang, 2013. Base Spore-Pollen C. torosa = Base of Hettangian = major extinction event in terrestrial palynology (and shift to hot/dry climate characterizing Early Jurassic). Before Transgression at base-Jurassic (with small LST gap).  J10 Play = Prodelta lower facies to fluvial delta plain towards the top.  Sand-rich deltaics change rapidly to more distal siltstone-dominated sections.|Sand-rich deltaics change rapidly to more distal siltstone-dominated sections.|siliciclastic sedimentary rock|||N||17-JAN-23
J20|81054|BB6|39041|||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Briefly described|||||Bathonian|166.18||inferred, biostratigraphic correlation|minimum depositional age|Sinemurian|196.18||inferred, biostratigraphic correlation||||OFF|Yes|||||||Base defined by J20.0 SB. Includes sequence J25.0- J29.0. SB J20.0 added as outcome of NW Shelf workshop (GA Nov'14) so that "common language" sequence J20 begins with a transgression. TOP of Common Perinopollenites elatoides = base of Middle Subzone of Corollina torosa Spore-Pollen zone (and also near Base of Spore-Pollen Callialasporites dampieri). Includes Santos J5 Plover Formation, but not at base of sequence. Mid-Toarcian.  Base of "no dinocysts" at top of Luehndea Assemblage. Base equivalent to BB6.Base of middle subzone in C. torosa Spore-Pollen Zone.  Also includes BB7.|||||N||17-JAN-23
J30|81053|BB8a|39043|||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Briefly described|||||Oxfordian|161.52||inferred, biostratigraphic correlation|minimum depositional age|Bathonian|166.18||inferred, biostratigraphic correlation||||OFF|Yes|||||||Base defined by J30.0 SB. SB J30.0 added as outcome of NW Shelf workshop (GA Nov'14) so that "common language" sequence J30 begins with a transgression. Major global condensation begins in latest Bathonian (95% up used here). Includes Santos J10 Elang Formation.  Base of Ternia balmei Dinocyst zone = about base of Callovian (but would be onsert of sediment above "new" J30 SB of revised Marshall-Lang '13 as outcome of NW Shelf workshop (GA Nov'14) => maybe J30.2 MFS of Marshall-Lang instead? Revised age assignment is to latest Bathonian (added global SB J30.0 to Woodside framework).  J30-J40-J50 not separated on old Browse framework; but there are 2 internal reflectors (Jkimm and Jtith).|||||N||17-JAN-23
J40|81052|||||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Briefly described|||||Tithonian|152.06||inferred, biostratigraphic correlation|minimum depositional age|Oxfordian|161.52||inferred, biostratigraphic correlation|||||Yes|||||||Same as Marshall and Lang, 2013.Base defined by J40.0 SB. Includes sequences J47.0 - J49.0. Base Dinocyst Wanaea spectabilis zone. Base Montara Fm. SB in lower Oxfordian (followed by onset of Argo and Gascoyne abyssal plains at magnetic anomaly M26).  J40 Play is characterized by thick fine-grained marine upward to carbonate.  Equivalent to Santos J15. Base of Frigate Formation.  Woodside JO.|||||N||17-JAN-23
J50|81051|||||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Briefly described|||||Tithonian|146.45||inferred, biostratigraphic correlation|minimum depositional age|Tithonian|152.06||inferred, biostratigraphic correlation||||OFF|Yes|||||||Same as Marshall and Lang, 2013.Base defined by J50.0 SB. Includes sequences J53.0 - J59.0. Base Dinocyst C. perforans zone. SB at base-Tithonian. J50 Play is most marine of major synrift sequences. Sand-rich intervals (deep-water fans, etc.) are not synchronous along the NW Shelf. Equivalent to Santos J25. Base of Flamingo Formation = moderate SB.  Woodside JT.  Seismic TITH. No GA Browse equivalent except seismic horizon Jtith.|||||N||17-JAN-23
Jamieson Formation|8851|||||Yes|Formation, beds|Formal|Variation of published name|Described|Bathurst Island Group|1249|||Cenomanian|95|||deposition|Aptian|125|||||1400||No|42053||||||Vulcan Graben, Timor Sea. Pattillo and Nicholls (1990). Different unit from the Jamison Sandstone (Roper Group) also in NT. lateral equivalent to Heywood Formation?|Monotonous succession of silty claystones, with occasional thin limestone or dolomite stringers.|fine grained siliciclastic rock|||N||17-JAN-23
Jansz Sandstone|75710|||||Yes|Formation, beds|Formal|Resvd name published|Briefly described|||||Oxfordian|158.2|||deposition|Oxfordian|160.2|||||||No|68135||Nicoll et al (Geoscience Australia)|27-MAY-10|||Briefly described as part of 2010 Acreage Release in: Nicoll R.S, G. Bernadel, T. Hashimoto, A.T. Jones, A.P. Kelman, J.M. Kennard, S le Poidevin, D.J. Mantle, N. Rollet and P.R. Temple (2010) Northern Carnarvon Basin, Biozonation and Biostratigraphy, 2010, Chart 36. On CD: Basin Biozonation and Stratigraphy Charts, 2010. Geoscience Australia.||siliciclastic sedimentary rock|||N||17-JAN-23
Johnson Formation|25092|||||Yes|Formation, beds|Formal|Variation of published name|Described|Woodbine Group|20481|||Paleocene|56|||deposition|Paleocene|65|||||||No|42053||||||Timor Sea. See also misspelt Johnson Formation Dolomite.|Limestone, minor sandstone.|carbonate sedimentary rock|medium-coarse grained siliciclastic rock||N||17-JAN-23
K10|81050|BB9|39046|||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Briefly described|||||Valanginian|138.22||inferred, biostratigraphic correlation|minimum depositional age|Berriasian|146.45||inferred, biostratigraphic correlation||||OFF|Yes|||||||Base defined by K10.0 SB. SB (formerly J58.1 SB)  at base of Berriasian (major unconformity); changed to K10.0 SB as outcome of NW Shelf workshop (GA Nov'14) so that "common language" sequence K10 begins with a lowstand (or major unconformity across NW Shelf) that begins in latest Tithonian. Equivalent to Santos K5? Lowermost Berriasian.  Originally drawn as base of Kalyptea wisemaniae Dinocyst zone, which is same age-assignment as MFS (not SB) K10.2 of Woodside usage.  Perhaps "K10.0 SB" (former J58.0) of Woodside usage (used here)? Minor SB event within Flamingo Formation. Middle of Dinocyst P. iehiense Zone.  Onset of Major late-Tithonian to earliest-Berriasian unconformity across NW Shelf .  The accompanying MFS in lowermost Berriasian = base of Woodside K10 Play in N.Carnarvon dominated by the huge Barrow Delta.|||||N||17-JAN-23
K20|81049|BB10|39047|||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Briefly described|||||Aptian|131.36||inferred, biostratigraphic correlation|minimum depositional age|Valanginian|138.22||inferred, biostratigraphic correlation|||||Yes|||||||Same as Marshall and Lang, 2013.Base defined by K20.0 SB. Base Dinocyst S. aerolata zone.  NOTE:  The largest Valanginian global event is slightly older (just above base of Valanginian; according to Haq 2014); but other nanno data suggest that the reference dinocyst event might be even higher in upper Valanginian. Major SB and "always a break" in mid-Valanginian = initiation of seafloor spreading in Cuvier Abyssal Plain.  K20 Play lower part is major lowstand with incised valleys; and uplift/exposure of K10 delta sediments may provide sources for K20 deltaics. Equivalent to Santos K25. Mid-Valanginian.  Base of Systematophora areolata Dinocyst zone = same as Woodside K20. "Intra-Valanginian Unconformity" at top of Flamingo Formation (base of Echuca Shoals Fm.) = Woodside KV = seismic BER/H2.|||||N||17-JAN-23
K30|81048|BB11|39048|||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Briefly described|||||Aptian|124.82||inferred, biostratigraphic correlation|minimum depositional age|Hauterivian|131.36||inferred, biostratigraphic correlation||||OFF|Yes|||||||Same as Santos K40.  Defined at NW Shelf workshop (GA Nov'14) so that "common language" sequence K30 begins with a transgression = same level (base of Dinocyst M. australis) as Kbar in Browse BBHR mapping by GA (2014). Upper-middle Hauterivian. Base of Muderongia australis Dinocyst zone. "IMH Equivalent" level in mid-Echuca Shoals Formation.|||||N||17-JAN-23
K40|81047|BB12a|39049|||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Briefly described|||||Cenomanian|94.47||inferred, biostratigraphic correlation|minimum depositional age|Aptian|124.82||inferred, biostratigraphic correlation||||OFF|Yes|||||||Same as Marshall and Lang, 2013. Base defined by K40.0 SB.  Includes sequences K40.0 - K42.0 BR to K46.0 - K49.0BR. Top Echuca Fm and base of Windallia Radiolarite => may coincide with Aptian OAE 1a distortion in global ocean chemistry (discussions at NW Shelf workshop, GA Nov 2014).  Assigned as Base of Dinocyst Upper Odontochitina operculata subzone on chart; assumed to be same as MGP'14 version). Major SB in lower Aptian that is coincident with Transgressive surface (no LST preserved). SB pronounced in inboard areas. Equivalent to Santos K55, base Darwin Formation, Bonaparte B. Equvalent GA BB12A to BB12C.|||||N||17-JAN-23
K50|81046|BB13|39052|||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Briefly described|||||Campanian|81.43||inferred, biostratigraphic correlation|minimum depositional age|Cenomanian|95.47||inferred, biostratigraphic correlation|||||No|||||||Same as Marshall and Lang, 2013. Base defined by K50.0 SB. Top of Middle Cenomanian (= base of Late Cenomanian; used here; but Exxon scale has the major Ce3 at BASE of Middle Cenomanian = 96.2 Ma).  Woodside chart had originally at Base of Foram W. archaeocretacea zone (ca. 94.3 Ma). SB in late Cenomanian. Wangarlu Fm, Bonaparte B., Major break at top of Jamieson Formation. intra KCCM 33 Zone.|||||N||17-JAN-23
K60|81045|BB14|39053|||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Briefly described|||||Maastrichtian|66.04||inferred, biostratigraphic correlation||Campanian|81.43||inferred, biostratigraphic correlation|||||No|||||||Same as Marshall and Lang, 2013. Includes sequences K60-K62 BR to K65.0 BR - K69.0 BR. Base defined by K60.0 SB.  Considered here to be the major mid-Campanian SB of Bonaparte Basin (K90 of Santos). Turnstone Fm, Bonaparte B. lowermost Campanian.  Base of KCCM23 = Base KCN15 (used here; which is intra- Xenikoon australis Dinocyst zone. MAJOR "Intra Campanian Event" = top of Wangarlu Fm (base of Turnstone Formation), Woodside KC horizon (maybe KS/C), and Seismic CAMP. Replaces BB14 - BB15.|||||N||17-JAN-23
Kinmore Group|9623|Kinmore Member|22111|||Yes|Group, Suite|Formal|Resvd name published|Fully described|||||Anisian|242||biozone|deposition|Artinskian|287||biozone|||1800||No|41459||||||Previously Port Keats Group.|Siltstone, glauconitic in part, shale, sandstone, fossiliferous limestone, rare coal.|siliciclastic sedimentary rock|carbonate sedimentary rock||N||17-JAN-23
Leederville Supersequence|80794|||||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Defined|Warnbro Megasequence|80795|||Aptian|||biozone||Barremian|||biozone|||500||Yes|71958||||||Of the Warnbro Megasequence.|Predominantly fine to very coarse sandstones with glauconite, mica and minor feldspar. Interbedded with pyritic, glauconitic, argillaceous and micaceous mudstones. Highly fossiliferous in places and may contain coal fragments.  Sst increases up section.|siliciclastic sedimentary rock|||N||17-JAN-23
Marligur Formation|76874|Marligur Member|26015|||Yes|Formation, beds|Informal|Variation of published name|Briefly described|Bathurst Island Group|1249|||Cretaceous||||deposition|Cretaceous||||||||No|67564||||||Misspelling of Member or deliberate upgrade to Fmn? Money Shoal Basin.|Medium- to coarse-grained, poorly consolidated quartz sandstone, clayey sandstone and sandy claystone; thin basal quartzic conglomerate.|siliciclastic sedimentary rock|||N||17-JAN-23
Minke Supersequence|38067|||||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Briefly described|||||Berriasian|||biozone||Tithonian|||biozone|||500||No|24336||Totterdell, J.M.||||||||continental rift|N||17-JAN-23
Mullaloo Sandstone Member|13374|||||Yes|Member, phase|Formal|Other new published name|Defined|Kings Park Formation|9612|||Eocene||||deposition|Paleocene||||||200|WA|No|31562|32748|||||See also Mullaloo Sandstone.|Poorly sorted, fine- to very coarse-grained, pale brownish-green, slightly glauconitic and clayey sand.|regolith|||N||17-JAN-23
Nancar Sandstone|77110|Nancar Sandstone Member|77471|||Yes|Formation, beds|Informal|Variation of published name|Mentioned|||||Lower Cretaceous||||deposition|Upper Jurassic||||||||No|68223||||||Of Flamingo Group, Northern Bonaparte Basin.||siliciclastic sedimentary rock|||N||17-JAN-23
Nirranda Supersequence|73299|||||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Defined|||||lower Proteacidites tuberculatus|||biozone|deposition|Nothofagidites asperus|||biozone|||||No|63134|63134|Ryan, D.J.|15-MAY-07|||The Nirranda Supersequence represents a condensed section that developed during flooding of the margin.|Calcareous claystone overlain by marls, calcarenite and calcilutite; shaly limestone overlain by calcarenite and calcilutite; quartz sandstone overlain by silty mudstone, and limestone.|sedimentary rock||passive margin|N||17-JAN-23
Oliver Formation|14550|||||Yes|Formation, beds|Formal|Other new published name|Described|Woodbine Group|20481|||Late Miocene|7|||deposition|Oligocene|25|||||||No|42053||||||Includes invalidly named Oliver Sandstone Member.|Mainly limestone and dolomite; minor sandstone.|carbonate sedimentary rock|||N||17-JAN-23
P50|81061|||||Yes|Formation, beds|Sequence stratigraphy|Sequence strat published|Briefly described|||||Induan|251.82||inferred, biostratigraphic correlation|minimum depositional age|Kungurian|277.15||inferred, biostratigraphic correlation|||||No|||||||Same as Marshall and Lang, 2013. Base defined by P50.0 SB.  SB shown as mid-Kungurian. Santos Bonaparte P50 is younger ~268.2. Supersequence includes Santos Bonaparte P60, P65, P70. Uppermost Kungurian, or middle of APP 4.1 Spore-Pollen zone. Middle of MAJOR LST -- the SB begins earlier near-shore, and peaks in basin with P60. GA Browse Basin BB3 is older ~281.03. Base P. sinuosus Spore-Pollen Zone.|||||N||17-JAN-23
Picard Shale""|79265|||||Yes|Formation, beds|Informal|Other new published name|Mentioned|||||Middle Jurassic||||deposition|Middle Jurassic||||||||No|69297||||||An apparently well-established (no pun intended) industry name. Identified by Woodside Energy Ltd (2003; 2007) as a source rock with significant liquids potential, and being the inferred source of the Nebo 1 oil in the Beagle Sub-basin.||siliciclastic sedimentary rock|||N||17-JAN-23
Prion Formation|15604|||||Yes|Formation, beds|Formal|Variation of published name|Briefly described|Woodbine Group|20481|||Eocene|38|||deposition|Eocene|41|||||||No|42053||||||Age: ~41-~33Ma.|Limestone.|carbonate sedimentary rock|||N||17-JAN-23
Sandbar Sandstone|74206|||||Yes|Formation, beds|Formal|Other new published name|Briefly described|Weaber Group|19643|||Visean|||inferred, lithostratigraphic correlation|deposition|Visean|||inferred, lithostratigraphic correlation||||WA|No|61542||||||Newly added to the Weaber Group -  forms part of revision by Gorter et al (2005). Overlain by Sunbird Fm.which may(?) truncate it, or it it pinches out. Geological province: onshore Bonapart Basin/Petrel-Sub-basin.|Loose, very well sorted , fine-grained to rarely medium-grained sandstone.|medium-coarse grained siliciclastic rock|||N||17-JAN-23
Sea Lion Supersequence|38068|||||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Briefly described|||||Kimmeridgian|||biozone||Callovian||||||2000||No|24336||Totterdell, J.M.||||||siliciclastic sedimentary rock||continental rift|N||17-JAN-23
Sherbrook Supersequence|73297|||||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Defined|||||Upper Forcipites longus|||biozone|deposition|Nothofagidites senectus|83||biozone|||||No|63134|63134|Ryan, D.J.|15-MAY-07|||This sequence marks a basinwards shift in depositional environments and continued progradation of deltaic-coastal successions; structural control during deposition of this sequence isless than that of the older Shipwreck Supersequence. Age: Campanian - Maastrichtian.||siliciclastic sedimentary rock||polyhistory basin|N||27-APR-23
Shipwreck Supersequence|73296|||||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Defined|||||Tricolporites apoxyexinus|83||biozone|deposition|Palaeohystrichophora infusorioides 1ai|92.5||biozone|||||No|63134|63134|Ryan, D.J.|15-MAY-07|||Seismic evidence at Copa-1, Mussel-1 and Conan-1 suggest that older Late Cretaceous (?Cenomanian-Campanian) sediments may be present in growth wedges adjacent to extensional faults. This sequence marks the onset of a second extensional event in the Otway Basin.||siliciclastic sedimentary rock||polyhistory basin|N||27-APR-23
South Perth Sequence 1|80798|||||Yes|Group, Suite|Sequence stratigraphy|Sequence strat published|Described|South Perth Supersequence|80792|||Valanginian|||inferred, overlying unit||Valanginian|||inferred|||||Yes|71958||||||Using a sequence stratigraphic framework, this unit the oldest of three 3rd order sequences that form the South Perth Supersequence. To be published: GA record in 2014 [actually GA Record 2015/09]. Offshore, not penetrated by any wells [recognised in seismic interpretations].|Unknown.||||N||17-JAN-23
South Perth Sequence 2|80799|||||Yes|Group, Suite|Sequence stratigraphy|Sequence strat published|Defined|South Perth Supersequence|80792|||Hauterivian|||biozone||Valanginian|||biozone||0|827||Yes|71958||||||Using a sequence stratigraphic framework, this unit the second of three 3rd order sequences that form the South Perth Supersequence. This sequence comprises the Gage Sandstone, South Perth Shale and at places parts of the Leederville Formation. To be published: GA record in 2014 [actually GA Record 2015/09].|Fine-grained to granular feldspathic sandstone interbedded with dark grey/black micaceous mudstone and siltstone; overlain by grey-black argillaceous, micaceous mudstone interbedded with carbonaceous, argillaceous, micaceous siltstone to sst.|siliciclastic sedimentary rock|||N||17-JAN-23
South Perth Sequence 3|80800|||||Yes|Group, Suite|Sequence stratigraphy|Sequence strat published|Defined|South Perth Supersequence|80792|||Hauterivian|||biozone||Hauterivian|||biozone||20|616||Yes|71958||||||Using a sequence stratigraphic framework, this unit the [youngest] of three 3rd order sequences that form the South Perth Supersequence.|Dominantly coarse grained quartzose sandstone with trace pyrite, mica and glauconite interbedded by thin carbonaceous material with rare coal and siltstone in Nth. Predominantly mudstone with trace glauconite and pyrite in Sth.|siliciclastic sedimentary rock|organic rich sedimentary rock||N||17-JAN-23
South Perth Supersequence|80792|South Perth Sequence|78048|||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Defined|Warnbro Megasequence|80795|||Hauterivian|||biozone||Valanginian|||biozone||0|1326.8||Yes|71958||Lech, M. (GA)|10-AUG-13|||Of the Warnbro Megasequence. It largely coincides with the Gage Sandstone and South Perth Shale, however new biostratigraphy has changed the upper boundary of the sequence. To be published: GA record in 2014 [actually GA Record 2015/09]. Ages based on palynology.|Fine-grained - very coarse feldspathic sandstone w interbedded mudstone and siltstone overlain by black argillaceous, micaceous mudstone. Grades upwards to siltstone with minor sandstone interbeds. Minor pyritic and glauconitic material.|siliciclastic sedimentary rock|||N||17-JAN-23
Southern Right Supersequence|38066|||||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Briefly described|||||Berriasian|||biozone||Berriasian|||biozone|||700||No|24336||Totterdell, J.M.|||||Interbedded claystone, siltstone, sandstone and coal. |siliciclastic sedimentary rock||continental rift|N||17-JAN-23
Steels Point Basalt|17316|||||Yes|Formation, beds|Formal|Unknown or process pending|Defined|||||Gelasian|2.33|.05|isotopic, K/Ar|eruption|Gelasian|2.39|.02|isotopic, K/Ar|||90|NFK|No|31571|31571|||||Norfolk Island. Nonfragmental lenticular flows and tabular flows. Tuff at base. Thickness: 90m+.  Age: 2.33-2.39 +/- 0.05My.||basic volcanic rock|||N||17-JAN-23
Sunbird Formation|74207|||||Yes|Formation, beds|Formal|Other new published name|Described|Weaber Group|19643|||Serpukhovian||||deposition|Visean|||||||WA|No|61542||||||Top unit of Weaber Group - forms part of revision by Gorter et al (2005) - detailed lithology included.|Massive limestone with minor sandstone.|carbonate sedimentary rock|||N||17-JAN-23
T10|81044|BB16|39057|||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Briefly described|||||Thanetian|55.2||inferred, biostratigraphic correlation|minimum depositional age|Danian|66.04||inferred, biostratigraphic correlation|||||No|||||||Same as Marshall and Lang, 2013.  Base defined by T10.0 SB. Base Danian = base Foram P0. SB at base-Cenozoic (used here; but maybe that is ONSET of beds above the SB?).  Oddly, no major SB at this level on Global Exxon trends. Johnson Formation, Bonaparte B. Base T. evittii and L. balmei Dinocyst zones.|||||N||17-JAN-23
T20|81043|BB17|39058|||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Mentioned|||||Rupelian|32.02||inferred, biostratigraphic correlation|minimum depositional age|Thanetian|55.2||inferred, biostratigraphic correlation|||||No|||||||Same as Marshall and Lang, 2013. Base defined by T20.0 SB. Includes T27.1TR at ~37.39 Ma. Base P6 = base E3 in new zonation (mid-A. homomorphum Dinocyst zone). Major SB in latest Thanetian (just below base of Eocene).  Oddly, no major SB at this level on Global Exxon trends. Hibernian/Grebe Formations. Replaces BB17-18. Base P6 Foraminifera Zone.|||||N||17-JAN-23
T30|81042|||||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Mentioned|||||Messinian|5.78||inferred|minimum depositional age|Sphenolithus predistentus CP17|32.02||inferred, biostratigraphic correlation|||||No|||||||Same as Marshall and Lang, 2013 (RefID 69689). Base defined by T30.0 SB. Includes TM2 SB ~13.82 Ma.  T30 shfited to this level, instead of "TE" event (now 27.1), and placed at base of Nanno zone CP17 (NW Shelf workshop, GA Nov2014).  Placed on Woodside chart (as TO TR) as just above base of Foram P19 zone (ca. 31.9 Ma);  maybe same as Santos T25 event (= Exxon CH1 SB at base of Chattian stage = 28.1 Ma).Includes Oliver Formation, Bonaparte Basin. Replaces BB19-21. Base CP17 Nannofossil zone (Base P22 Foraminifera Zone).  Major SB -- onset of major lowstand in mid-Early Oligocene.|||||N||17-JAN-23
T40|81041|BB22|39063|||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Briefly described|||||Holocene||||minimum depositional age|Messinian|5.78||inferred, biostratigraphic correlation|||||No|||||||Same as Marshall and Lang, 2013. Base defined by TM1 SB. Assigned here to be the "Exxon" Me2 SB = max lowstand of Messinian. Original Woodside chart had rounded as Top of Miocene (base of Zanclean); but that is a lesser global event. Major SB beginning lowstand latest-Miocene.  However, this is one of several regional pulses that might have different ages in different basins. Includes Barracouta Fm in Bonaparte B. Replaces BB22. Intra Messinian (Base N17b Foraminifera Zone).|||||N||17-JAN-23
TR10|81060|BB4|39038|||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Briefly described|||||Carnian|231.77||inferred, biostratigraphic correlation|minimum depositional age|Induan|251.82||inferred, biostratigraphic correlation||||OFF|Yes|||||||Same as Marshall and Lang, 2013. Base defined by TR10.0 SB. Includes eight high-resolution surfaces in Carnarvon Basin. Within Spore-Pollen Playfordiaspora crenulata zone (25% used here) = just above Base Triassic. SB at base-Triassic (unconformity on Permian).  TR10 Play is large-scale transgressive/regressive cycle; with lower marine silt/clay, and upper prograding deltaic to fluvial. Equivalent to Santos Bonaparte P80, Tr15. Mount Goodwin Formation, Cape Londonderry Formation. Base of Triassic. Or middle of Playfordiaspora crenulata Spore-Pollen zone (APP6 equivalent) - Equivalence to Woodside TR10 assumed here. Equivalent to GA Browse BB4 . Base of Spore-Pollen L. pellucidus zone = just below Base Triassic.|||||N||17-JAN-23
TR20|81059|BB5|39040|||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Briefly described|||||Rhaetian|208.65||inferred, biostratigraphic correlation|minimum depositional age|Carnian|231.77||inferred, biostratigraphic correlation||||OFF|Yes|||||||Same as Marshall and Lang, 2013. Base defined by TR20.0 SB. Middle of N.taylorii Subzone (Spore-Pollen). Corresponds to onset of mid-Carnian global event?. Includes sixteen high-resolution surfaces in Carnarvon Basin. SB = "Major unconformity linked to Fitzroy Movement" = top of Challis Formation in Browse Basin. TR20 Play = Encompasses most of Mungaroo Fm = fluvial-deltaic-swamp dominated.  Pronounced floodings at basal TR21.1_TS and mid TR26.5_MFS (H. balmei incursion).  Main SBs are bases of amalgamated channel complexes at TR20.0_SB, TR24.0_SB and TR27.0_SB. Santos Bonaparte TR25 - drawn as base of Norian; but was meant to coincide with Marshall-Lang'13 TR 20 base. Drawn as MFS followed by onset of shoreward Malita Formation with progressive prograding over Cape Londonderry Formation (prograding Malita red beds don't reach basin center until horizon J1 in lower Rhaetian). GA Browse BB5. Intra S. speciosus Spore-Pollen Zone; Middle N. taylori Spore-Pollen subzone.|||||N||17-JAN-23
TR30|81058|||||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Briefly described|||||Hettangian|201.36||inferred, biostratigraphic correlation|minimum depositional age|Rhaetian|208.65||inferred, biostratigraphic correlation||||OFF|Yes|||||||Same as Marshall and Lang, 2013. Base defined by TR30.1 TS. Base Dinocyst  R.rhaetica zone = base Spore-Pollen A.reducta zone = Base of Rhaetian. Transgression at base of Rhaetian = major in Gorgon and Rankin platforms. TR30 Play = Mixed delta-marine.  Same as TR32 TS of CVX. Includes six high-resolution surfaces in Carnarvon Basin. Interval Includes Santos Bonaparte J1~206.95. Despite "J", it is lower Rhaetian. Ca. 30% up in Rhaetogonyaulax rhaetica Dinocyst zone. Minor SB within Malita Formation (red-beds), with minor transgression being H3 Seismic.|||||N||17-JAN-23
Tiger Supersequence|38061|||||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Briefly described|||||Santonian|||biozone||Cenomanian|||biozone|||4500||No|24336||Totterdell, J.M.||||||siliciclastic sedimentary rock||continental rift|N||17-JAN-23
Turnstone Formation|18718|||||Yes|Formation, beds|Formal|Resvd name published|Defined|Bathurst Island Group|1249|||Maastrichtian||||deposition|Campanian|77||||||NT|No|41532|42442|A.J.Mory|17-JUL-87|||Age: ~77-~65Ma [in 2001].|Calcareous claystones and calciluties.|carbonate sedimentary rock|siliciclastic sedimentary rock||N||17-JAN-23
Wangerrip Supersequence|73298|||||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Defined|||||Proteacidites asperopolus|||biozone|deposition|Upper Forcipites longus|||biozone|||||No|63134|63134|Ryan, D.J.|15-MAY-07|||The Wangerrip Supersequence comprises a thin LST-TST mudstone succession and a progradational-aggradational HST succession of siliciclastic deltaic sediments.||siliciclastic sedimentary rock||passive margin|N||17-JAN-23
Warnbro Megasequence|80795|||||Yes|Clan|Sequence stratigraphy|Sequence strat published|Briefly described|||||Aptian|||inferred, biostratigraphic correlation|deposition|Valanginian|||inferred, biostratigraphic correlation|deposition||||No|71958||||||published in: An Integrated Study of the CO2 Storage Potential in the Offshore Vlaming Sub-Basin. GA Record 2015/09, p40, p45.|||||N||20-AUG-23
Whalers Bluff Supersequence|73301|||||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Defined|||||Holocene|||inferred|deposition|Miocene|||biozone|||||No|63134|63134|Ryan, D.J.|15-MAY-07|||The Whalers Bluff Supersequence comprises a progradational succession of fossiliferous calcarenite and calcilutite, deposited on a cool-water, high-energy carbonate ramp.|Calcareous claystone overlain by marls, calcarenite and calcilutite; shaly limestone overlain by calcarenite and calcilutite; quartz sandstone overlain by silty mudstone, and limestone.|carbonate sedimentary rock||passive margin|N||17-JAN-23
White Pointer Supersequence|38062|||||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Briefly described|||||Cenomanian|||biozone||Cenomanian|||biozone|||5500||No|24336||Totterdell, J.M.||||||siliciclastic sedimentary rock||continental rift|N||17-JAN-23
Wobbegong Supersequence|38054|||||Yes|Supergroup|Sequence stratigraphy|Sequence strat published|Defined|||||Ypresian|||biozone||Ypresian||||||280||No|24336|24336|Totterdell, J.M.|||||The reference section shows the typical character of the Wobbegong Supersequence with a large canyon fill and a significant progradational highstand systems tract.||||N||17-JAN-23
test 75534|75534|||||Yes|Formation, beds|Processing pending|Unnamed published|Unpublished||||||||||||||||||No|||||||test change 23-AUD-2023|||||N||23-AUG-23
