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Pheasants Nest Formation STRATNO: 26100
Current: Yes Rank: Formation, beds Status: Formal State(s): NSW
Category: Unknown or process pending Usage: Defined Definition Card: No
Originator: Entry date: 01-JAN-88 Last Update: 11-JUL-12
Replaced by: Previously known as:
Description: Interbedded lithic sandstone, coal, claystone, siltstone.
Comments: At base of Illawarra Coal Measures.
Geological province: No province information available
Type state: NSW Reference section type:
Maximum thickness: 75m Minimum thickness:
Unit Age Event: deposition
Top of unit -
Minimum age: Late Permian Ma: % from base of biozone: Age method:
Maximum age: Ma: % from base of biozone: Age method:
Base of unit -
Minimum age: Ma: % from base of biozone: Age method:
Maximum age: Late Permian Ma: % from base of biozone: Age method:

Stratigraphic Hierarchy (current units only) Rank Status

Chemical Hierarchy (current units only) Rank Status


Related units: Relationship: Contact Type:
Kulnura Marine Tongue overlies Pheasants Nest Formation
Budgong Sandstone underlies Pheasants Nest Formation
Berkeley Latite Member is interbedded with Pheasants Nest Formation
Minnamurra Latite Member is interbedded with Pheasants Nest Formation
Calderwood Latite Member is interbedded with Pheasants Nest Formation
Five Islands Latite Member is interbedded with Pheasants Nest Formation
Gerringong Volcanics is interbedded with Pheasants Nest Formation
First Reference:
REFID: 34569 Wass, R.E., Wood, K.G., Bunny, M.R., Goldbery, R., 1969, A review of some recent studies in the Sydney Basin. IN Dickens J.M. (ed) - The Permian of Australia Symposium., Geological Society of Australia. Special Publication, 2, p7-12

Definition Reference:
REFID: 42896 Sherwin, L., Holmes, G.G., 1986, Geology of the Wollongong and Port Hacking 1:100 000 sheets 9029, 9129., Geological Survey of New South Wales, 1v, 179pp

Use on maps:
REFID: 36222 Bowman, H.N., Stewart, T.R., 1974, Wollongong, New South Wales, 1:50 000 geological series map. Sheet 9029-II, 1st edition. (See Geology of the Wollongong, Kiama & Robertson 1:50 000 sheets by Geol. Surv.NSW), Geological Survey of New South Wales, 1v
REFID: 42737 Stroud, W.J., Sherwin, L., Ray, H.N., Baker, C.J., Smart, K.G., 1985, Wollongong-Port Hacking 1:100 000 geological series sheet 9029-9129., Geological Survey of New South Wales, 1v, Map


Full Bibliographic Details (ordered by usage, publication year)

REFID: 42896 Sherwin, L. , Holmes, G.G. 1986 Geology of the Wollongong and Port Hacking 1:100 000 sheets 9029, 9129. Geological Survey of New South Wales 1v 179pp
Usage: Defined (p16, Table 2) Min age from reference: Late Permian Max age from reference: Middle Permian Comments: Of Cumberland Subgroup.
REFID: 36220 Bowman, H.N. 1974 Geology of the Wollongong, Kiama, and Robertson 1:50 000 sheets. 9029-II, 9028-I & IV. Geological Survey of New South Wales 1v
Usage: Fully described (p40) Comments: See also Table 10 & P38.
REFID: 34605 Wilson, R.G. 1969 Permian of the southern and western parts of the Sydney Basin - Illawarra Coal Measures, Southern Coalfield. IN Packham G.H.(ed) - The geology of New South Wales. Geological Society of Australia. Journal 16(1) p370-379
Usage: Fully described (p372) Comments: See also P374
REFID: 22857 Scheibner, E. , Basden, H. (ed.) 1998 Geology of New South Wales - Synthesis. Volume 2 Geological Evolution. Geological Survey of New South Wales. Memoir (Geology) 13(2) 666pp
Usage: Described (p532 App.1 Tb.A1.9) Min age from reference: Late Permian Max age from reference: Late Permian Comments: Of the Cumberland Subgroup (Illawarra Coal Measures). Contains the Unanderra and Figtree coal seams. Interbedded lithic sandstone, coal, carbonaceous claystone, siltstone and claystone. Max. thickness: 75m. Geological Province: Sydney Basin.
REFID: 22969 Maung, T.U. , Alder, D. , Shaw, R. , Hawley, S. 1997 Offshore Sydney Basin. Box 1 Bureau of Resource Sciences, Petroleum Prospectivity Bulletin
Usage: Described (p 25, Fig 3.1) Comments: Lachlan Fold Belt.
REFID: 38690 Carr, P.F. 1983 A reappraisal of the stratigraphy of the upper Shoalhaven Group and lower Illawarra Coal Measures, southern Sydney Basin, New South Wales. Proceedings of the Linnean Society of New South Wales 106(3/4) p288-297
Usage: Described (p293) Comments:
REFID: 39309 Bowman, H.N. 1980 Southern coalfield, Upper Shoalhaven Group and Illawara Coal Measures. IN Herbert C.,Helby R.(eds) - A guide to the Sydney Basin. Geological Survey of New South Wales. Bulletin 26 p116-132
Usage: Described (p121) Comments: See also Table 7.2
REFID: 30006 Bunny, M.R. 1972 Geology and coal resources of the Southern Catchment Coal Reserve, southern Sydney Basin, New South Wales. Geological Survey of New South Wales. Bulletin 22
Usage: Described (p7) Comments: Permian
REFID: 29900 Bowman, H.N. 1970 Palaeoenvironment and revised nomenclature of the Upper Shoalhaven Group and Illawarra Coal Measures in the Wollongong-Kiama area, New South Wales. Geological Survey of New South Wales, Records 12(2) p163-182
Usage: Described (p175) Comments:
REFID: 60281 Stephenson, A.E. , Burch, G.J. 2004 Preliminary Evaluation of the Petroleum Potential of Australia's Central East Margin Geoscience Australia. Record 2004/06 69p
Usage: Briefly described (p62-63) Min age from reference: Late Permian Max age from reference: Late Permian Comments: At base of the Illawarra Coal Measures. Coarse sandstone at the base grading to siltstone and coal at the top. Overlies Budgong Sandstone. Geological Province: Sydney Basin. See also p60.
REFID: 24342 Memarian, H. , Fergusson, C.L. 2003 Multiple fracture sets in the southeastern Permian-Triassic Sydney Basin, New South Wales Australian Journal of Earth Sciences 50(1) p49-61
Usage: Briefly described (p51 Fig. 2) Min age from reference: Late Permian Max age from reference: Late Permian Comments: Of Cumberland Subgroup. Geological Province: Sydney Basin.
REFID: 24471 Grevenitz, P. , Carr, P. , Hutton, A. 2003 Origin, alteration and geochemical correlation of Late Permian airfall tuffs in coal measures, Sydney Basin, Australia International Journal of Coal Geology 55(1) p27-46
Usage: Briefly described (p30) Min age from reference: Late Permian Max age from reference: Late Permian Comments: Of Illawarra Coal Measures. Possibly stratigraphically equivalent to Wallis Creek Subgroup. Geological Province: Sydney Basin.
REFID: 24313 PESA - NSW Branch 2002 Branch News - New South Wales PESA News 61 p22-24
Usage: Briefly described (p23) Min age from reference: Early Permian Max age from reference: Early Permian Comments: Geological Province: Sydney Basin. Of the Illawarra Coal Measures.
REFID: 23544 Campbell, L.M. , Conaghan, P.J. , Flood, R.H. 2001 Flow-field and palaeogeographic reconstruction of volcanic activity in the Permian Gerringong Volcanic Complex, Southern Sydney Basin, Australia Australian Journal of Earth Sciences 48(3) p357-375
Usage: Briefly described (Fig 2 p358) Comments: In the Cumberland Subgroup
REFID: 23442 Doyle, M.G. 2000 Clast shape and textural associations in peperite as a guide to hydromagmatic interactions: Upper Permian basaltic and basaltic andesite examples from Kiama, Australia Australian Journal of Earth Sciences 47(1) p167-177
Usage: Briefly described (p168) Comments: Sydney Basin
REFID: 22488 Carr, P.F. , Pemberton, J.W. , Nunan, E. 1999 Low-grade metamorphism of mafic lavas, Upper Permian Broughton Formation, Sydney Basin. Australian Journal of Earth Sciences 46(6) p839-849
Usage: Briefly described (p841-2) Comments:
REFID: 22578 Herbert, C. 1995 Sequence stratigraphy of the Late Permian Coal Measures in the Sydney Basin Australian Journal of Earth Sciences 42(4) P391-405
Usage: Briefly described (p394, Fig.6 p396) Comments: of Illawarra Coal Measures
REFID: 61315 New South Wales Department of Mineral Resources 1995 Sydney Basin IN Stewart, R. and Adler, D. (eds.) "New South Wales Wales Petroleum Potential" - Bulletin New South Wales. Department of Mineral Resources. Coal and Petroleum Geology Branch. Bulletin 1 p163-188
Usage: Briefly described (Table SY2) Min age from reference: Late Permian Max age from reference: Late Permian Comments: Of the Cumberland Subgroup (Illawarra Coal Measures). Geological Province: Sydney Basin
REFID: 43194 Tadros, N.Z. 1993 The Gunnedah Basin, New South Wales. Geological Survey of New South Wales. Memoir (Geology) 12 649p
Usage: Briefly described (p108) Min age from reference: Late Permian Max age from reference: Late Permian Comments: Correlated with the basal (coal bearing) lithic unit in the Black Jack Formation (now named Pamboola Formation) in the Gunnedah Basin.
REFID: 42787 Arditto, P.A. 1991 A sequence stratigraphic analysis of the Late Permian succession in the Southern Coalfield, Sydney Basin, New South Wales. Australian Journal of Earth Sciences 38(2) p125-137
Usage: Briefly described (p129) Comments:
REFID: 42925 Jones, D.C. , Clark, N.R. 1991 Geology of the Penrith 1:100 000 sheet 9030. New South Wales. Department of Minerals and Energy 1v 202pp
Usage: Briefly described (Table 18) Max age from reference: Late Permian Comments:
REFID: 42737 Stroud, W.J. , Sherwin, L. , Ray, H.N. , Baker, C.J. , Smart, K.G. 1985 Wollongong-Port Hacking 1:100 000 geological series sheet 9029-9129. Geological Survey of New South Wales 1v Map
Usage: Briefly described (map legend) Min age from reference: Permian Comments:
REFID: 39308 Herbert, C. , Helby, R. 1980 Part C - Excursion Guide. IN Herbert C.,Helby R.(eds) - A guide to the Sydney Basin. Geological Survey of New South Wales. Bulletin 26 p449-539
Usage: Briefly described (p514) Comments:
REFID: 31887 Loughnan, F.C. , McElroy, C.T. 1976 South Coast Permian and Triassic geology. 25th International Geological Congress. Excursion Guide 18B
Usage: Briefly described (p5) Comments:
REFID: 29901 Bowman, H.W. 1972 Natural slope stability in the City of Greater Wollongong. Geological Survey of New South Wales, Records 14(2) p159-222
Usage: Briefly described (p169) Comments:
REFID: 67663 Danis, C. , O'Neill, C. , Lackie, M. , Twigg, L. , Danis, A. 2011 Deep 3D structure of the Sydney Basin using gravity modelling Australian Journal of Earth Sciences 58(5) 517-542
Usage: Mentioned (p518) Min age from reference: Triassic Max age from reference: Permian Comments: Late Permian. Interbedded with 4 latite flows of Gerringong Volcanics. , Of the Illawarra Coal Measures.
REFID: 66577 Bray, A. , Hatherly, P. , Fergusson, C.L. 2010 Seismic reflection evidence for the evolution of the Camden Syncline and Lapstone Structural Complex, central Sydney Basin, Australia. Australian Journal of Earth Sciences 57 993-1004
Usage: Mentioned (p997 Fig.2.) Min age from reference: Permian Max age from reference: Permian Comments: , Unit in Illawarra Coal Measures. , Is overlain by Erins Vale Formation.
REFID: 63832 Fielding, C.R. , Frank, T.D. , Birgenheier, L.P. , Rygel, M.C. , Jones, A.T. , Roberts, J. 2008 Stratigraphic imprint of the Late Palaeozoic Ice Age in eastern Australia: a record of alternating glacial and nonglacial climate regime Geological Society of London. Journal 165 p129-140
Usage: Mentioned (p136) Min age from reference: Guadalupian Max age from reference: Guadalupian Comments: Southern Sydney Basin. Shows no dispersed gravel or other glacial indicators, suggesting a brief interglacial interval in the mid-Permian. , Unit in Illawarra Coal Measures.
REFID: 61609 Arditto, P.A. 2001 Distribution and hydrocarbon potential of the Permian Nowra Sandstone, southern Sydney Basin, New South Wales, Australia IN Hill, K.C.and Bernecker, T. (eds) "Eastern Australasian Basins Symposium: a refocused energy perspective for the..." Petroleum Exploration Society of Australia. Special Publication 1v p239-249
Usage: Mentioned (p240 Tb. 1, p246 Fig. 5) Min age from reference: Permian Max age from reference: Permian Comments: Of Cumberland Subgroup. Geological Province: Sydney Basin.
REFID: 67500 Retallack, G.J. 1999 Permafrost palaeoclimate of Permian palaeosols in the Gerringong volcanic facies of New South Wales Australian Journal of Earth Sciences 46/1 pp11-22
Usage: Mentioned (p12 Tb.1) Comments: , Of the Illawarra Coal Measures. , Includes Berkeley, Minnamurra, Calderwood, and Five Islands, Latite Members.
REFID: 22433 Rettalack, G.J. 1999 Permafrost paleoclimate of Permian palaeosols in the Gerringong volcanic facies of New South Wales Australian Journal of Earth Sciences 46(1) 11-22
Usage: Mentioned (p12 Table 1) Comments: in the Sydney Basin
REFID: 41857 England, B.M. , Sutherland, F.L. 1988 Volcanic zeolites and associated minerals from New South Wales. Mineralogical Record 19(6) p389-406
Usage: Mentioned (p392) Comments:
REFID: 40256 McMinn, A. 1985 Palynostratigraphy of the Middle Permian coal sequences of the Sydney Basin. Australian Journal of Earth Sciences 32(3) p301-309
Usage: Mentioned (p306) Comments:
REFID: 38615 Mullard, B.W. , Baker, C.J. , Bowman, H.N. 1983 Interesting hydrocarbon occurrences in a coal borehole in the Picton area, southern Sydney Basin. Geological Survey of New South Wales. Quarterly Notes 51 p17-26
Usage: Mentioned (p22) Comments:
REFID: 39661 Standing Committee Coalfield Geol. NSW 1983 Report of Subcommittee for Southern Coalfield, June 1981. Geological Survey of New South Wales, Records 21(2) p443-447
Usage: Mentioned (p443) Comments:
REFID: 39287 Herbert, C. 1980 Depositional development of the Sydney Basin. IN Herbert C., Helby R.(eds) - A guide to the Sydney Basin. Geological Survey of New South Wales. Bulletin 26 p11-52
Usage: Mentioned (p20) Comments: See also Fig.2.13
REFID: 36042 Branagan, D. , Herbert, C. , Langford-Smith, T. 1979 The Sydney Basin. Science Press 1v
Usage: Mentioned (p20) Comments:
REFID: 35189 England, B.M. , Ostwald, J. 1978 Ferrierite: An Australian occurrence. Mineralogical Magazine 42(323) p385-389
Usage: Mentioned (p385) Comments:
REFID: 31128 Gray, N.M. 1976 Engineering geology of the southern part of the Sydney Basin. 25th International Geological Congress. Excursion Guide 6B
Usage: Mentioned (p7) Comments:
REFID: 29944 Britten, R.A. , Smyth, M. , Bennett, A.J.R. , Shibaoka, M. 1975 Environmental interpretations of Gondwana Coal Measure Sequences in Gondwana Geology: Papers from the 3rd Gondwana Symposium, Canberra, 1973. International Union of Geology & Geophysics. Commission on Stratigraphy 1v p233-247
Usage: Mentioned (Fig.18) Comments:
REFID: 37089 Wilson, R.G. 1975 Southern Coalfield. In Traves D.M. and King D.(Eds) - Economic geology of Australia and Papua New Guinea - 2.Coal. AusIMM. Monograph Series 6 p206-218
Usage: Mentioned (p208) Comments:
REFID: 45090 Mayne, S.J. , Nicholas, E. , Bigg-Wither, A.L. , Rasidi, J.S. , Raine, M.J. 1974 Geology the Sydney Basin - a review. Bureau of Mineral Resources, Australia. Bulletin 149 229pp
Usage: Mentioned (p27) Comments:
REFID: 36222 Bowman, H.N. , Stewart, T.R. 1974 Wollongong, New South Wales, 1:50 000 geological series map. Sheet 9029-II, 1st edition. (See Geology of the Wollongong, Kiama & Robertson 1:50 000 sheets by Geol. Surv.NSW) Geological Survey of New South Wales 1v
Usage: Mentioned (Map legend) Min age from reference: Late Permian Max age from reference: Late Permian Comments: Early Late Permian.
REFID: 32618 Pickett, J.W. 1972 The ecology of worm populations in the Erins Vale Formation (Late Permian) southern Sydney Basin. Geological Society of Australia. Journal 19(3) p313-320
Usage: Mentioned (Table 1) Comments: Perm. Strat. table.
REFID: 32849 Ringis, J. , Hawkins, L.V. , Seedsman, K. 1970 Offshore seismic and magnetic surveys of the southern coalfields off Stanwell Park. AusIMM. Proceedings 234 p7-16
Usage: Mentioned (Table 1) Comments: Permian
REFID: 34569 Wass, R.E. , Wood, K.G. , Bunny, M.R. , Goldbery, R. 1969 A review of some recent studies in the Sydney Basin. IN Dickens J.M. (ed) - The Permian of Australia Symposium. Geological Society of Australia. Special Publication 2 p7-12
Usage: Mentioned (p9) Comments: Permian. See Fig.2

Bibliographic references returned: 46 This data is subject to Geoscience Australia's disclaimer and copyright statements.