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Dempsey Formation STRATNO: 5365
Current: Yes Rank: Formation, beds Status: Formal State(s): NSW
Category: Variation of published name Usage: Described Definition Card: No
Originator: Entry date: 01-JAN-88 Last Update: 21-MAR-13
Replaced by: Previously known as: Dempsey Beds
Description: Siltstone, sandstone, tuff; minor carbonaceous claystone; several coal seams.
Comments:
Geological province: Sydney Basin
Type state: Reference section type:
Maximum thickness: 590m Minimum thickness:

Unit Age
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:

  • Dempsey Formation- Formation, beds- Formal

Related units: Relationship: Contact Type:
Waratah Sandstone overlies Dempsey Formation
Newcastle Coal Measures overlies Dempsey Formation

First Reference:
REFID: 43491 Fairbridge, R.W., 1953, Australian Stratigraphy.XII chaps, end paper (2nd edition), University of Western Australia. Text Books Board, 2nd edition

Use on maps:


Full Bibliographic Details (ordered by usage, publication year)

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: Described (p32 Fig.4, p33) Min age from reference: Late Permian Max age from reference: Late Permian Comments: Of Newcastle Coal Measures. Possibly stratigraphically equivalent to Bargo Claystone. Overlain by Waratah Sandstone. 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 23, Fig 2.2) Max age from reference: Permian Comments: Max. thickness: >590 m.
REFID: 33867 Williams, R.J. 1976 Hunter Valley: Permian coal measures geology. 25th International Geological Congress. Excursion Guide 11B
Usage: Described (p7) Comments:
REFID: 68493 Percival, I.G. , Meakin, N.S. , Sherwin, L. , Vanderlaan, T.A. , Flitcroft, P.A. 2012 Permian fossils and palaeoenvironments of the northern Sydney Basin, New South Wales Geological Survey of New South Wales. Quarterly Notes 138 1-23
Usage: Briefly described (p5 Fig.2) Min age from reference: Lopingian Max age from reference: Lopingian Comments: , Of the Tomago Coal Measures. , Overlies Four Mile Creek Formation. , Siltstone, sandstone, coal, tuff, minor carbonaceous claystone.
REFID: 62033 Creech, M. , Rigby, R. 2006 Revision of the Wollombi Coal measures Minfo 81 p24-25
Usage: Briefly described (p25 (Table)) Comments: Of the Tomago Coal Measures. Overlain by Newcastle Coal Measures. Geological Province: Sydney Basin.
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 (p61) Min age from reference: Late Permian Max age from reference: Late Permian Comments: Of the Tomago Coal Measures. Siltstone, claystone, sandstone and minor coal. Max. thickness: >590m. Geological Province: Sydney Basin.
REFID: 68004 Hill, M. , McEvilly, R. , Watkins, J. 2002 Mineral and petroleum resources and potential: NSW Western Regional Assessments: Brigalow Belt South Bioregion (Stage 2) Geological Survey of New South Wales 235pp
Usage: Briefly described (p23 Table 1.) Comments: Newcastle Coalfield. , Unit in Tomago Coal Measures. , Is overlain by Waratah Sandstone.
REFID: 24157 Creech, M. 2002 Tuffaceous deposition in the Newcastle Coal Measures: challenging existing concepts of peat formation in the Sydney Basin, New South Wales, Australia International Journal of Coal Geology 51 p185-214
Usage: Briefly described (p188 Tb.1, p209 Fig.19) Min age from reference: Permian Max age from reference: Permian Comments: Parent: Tomago Coal Measures. Geological Province: Sydney Basin
REFID: 23055 Boyd, R. , Little, M. , Herbert, C. 1998 A new look at the Newcastle Coal Measures - two contrasting approaches to their formation and sequence stratigraphy. Advances in the Study of the Sydney Basin - Guidebook 32 47p
Usage: Briefly described (p9) Comments:
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: Briefly described (p522 App.1 Tb.A1.9) Min age from reference: Late Permian Max age from reference: Late Permian Comments: Of the Tomago Coal Measures. Siltstone, sandstone, tuff; minor carbonaceous claystone; several coal seams. Max. thickness: >590m. Geological Province: Sydney Basin.
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 (p400, Fig.9 p399) Comments:
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 SY1) Min age from reference: Late Permian Max age from reference: Late Permian Comments: Of the Tomago Coal Measures. Geological Province: Sydney Basin/Newcastle area.
REFID: 42657 Yoo, E.K. 1993 Stratigraphic and coal seam correlations of the Illawarra Coal Measures in the Ulan and Bylong areas, Western Coalfield, Sydney Basin, New South Wales Royal Society of New South Wales. Journal and Proceedings 126(1/2) p73-86
Usage: Briefly described (p81) Comments: Newcastle Coalfield
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 (p112, p129 Tb. 8.3, p130) Min age from reference: Late Permian Max age from reference: Late Permian Comments: Uppermost unit of Wittingham Coal Measures, Hunter Coalfield, Sydney Basin. Correlated with an organic-rich mudstone unit (now part of Clare Sandstone) within the upper part of the Black Jack Formation (now Black Jack Group), Gunnedah Basin.
REFID: 43017 Briggs, D.J.C. 1993 Time control in the Permian of the Sydney-Bowen Basin and the New England Orogen; In Findlay, Unrug, Banks, & Veevers (eds) Gondwana Eight. Assembly, evolution and dispersal. Proceedings of the Eighth Gondwana Symposium, Hobart, Tasmania, A A.A. Balkema, Rotterdam 1v p371-383
Usage: Briefly described (Fig.1,p372) Comments:
REFID: 44244 Roberts, J. , Engel, B. , Chapman, J. 1991 Geology of the Camberwell, Dungog, and Bulahdelah 1:100 000 sheets 9133, 9233, 9333. Geological Survey of New South Wales 1v 382pp
Usage: Briefly described (p276) Min age from reference: Late Permian Max age from reference: Late Permian Comments: Of the Tomago Coal Measures.
REFID: 38656 Diessel, C.F.K. 1982 Coal geology. Australian Mineral Foundation. Workshop Courses 200/82
Usage: Briefly described (Fig.1.5.13) Comments: P280. See also Fig.1.5.14.
REFID: 33334 Stuntz, J. 1972 The surface distribution of the "Upper Coal Measures", Sydney Basin, New South Wales. IN Newcastle Conference, 1972. AusIMM 1v p1-9
Usage: Briefly described (p8) Comments: Perm.
REFID: 34465 Robinson, J.B. 1969 The Sydney Basin - Permian of the Hunter Valley. Tomago Coal Measures. IN Packham G.H.(ed) - The geology of New South Wales. Geological Society of Australia. Journal 16(1) p334-338
Usage: Briefly described (Fig.5.11) Comments: See also P337
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 (p520 Tb.1) Min age from reference: Permian Max age from reference: Permian Comments: Late Permian. , Of the Tomago Coal Measures.
REFID: 68003 Barnes, R. , Dawson, M. , Spiller, F. 2002 Geology - Integration and upgrade: NSW Western Regional Assessments: Brigalow Belt South Bioregion (Stage 2). A project undertaken for the Resource and Conservation Assessment Council; NSW Western regional assessments Geological Survey of New South Wales WRA / 19 157pp
Usage: Mentioned (p41.) Min age from reference: Late Permian Max age from reference: Late Permian Comments: Sydney Basin. A marine incursion interrupting coal formation.
REFID: 61612 Fielding, C.R. , Sliwa, R. , Holcombe, R.J. , Jones, A.T. 2001 A New palaeogeographic synthesis for the Bowen, Gunnedah and Sydney Basins of Eastern Australia IN Hill, K.C.and Bernecker, T. (eds) "Eastern Australasian Basins Symposium: a refocused energy perspective for the future" Petroleum Exploration Society of Australia. Special Publication 1v p269-278
Usage: Mentioned (p274, p277, p270 Fig. 1) Min age from reference: Late Permian Max age from reference: Late Permian Comments: Geological Province: Sydney Basin.
REFID: 61770 Roberts, J. , Geeve, R.J. 1999 Allochthonous forearc blocks and their influence on an orogenic timetable for the Southern New England Orogen IN Flood, P. G. (ed.) "Regional Geology Tectonics and Metallogenesis: New England Orogen" - papers presented at a conference .... University of New England, Armidale 1999" - NEO '99 Conference Not Recorded
Usage: Mentioned (p110) Comments:
REFID: 42182 McElroy, C.T. , Rose, G. 1990 Historical review of coal geology in New South Wales. IN Glasson K.R., Rattigan J.H. (eds.)- Geological aspects of the discovery of some important mineral deposits in Australia. AusIMM. Monograph Series 17 p245-316
Usage: Mentioned (p297) Comments:
REFID: 41474 Brakel, A.T. , Totterdell, J.M. 1988 The Late Permian palaeogeography of the Australian continent. Advances in the Study of the Sydney Basin 22 p59-67
Usage: Mentioned (p63) Comments:
REFID: 40971 Jones, J.G. , Conaghan, P.J. , McDonnell, K.L. 1987 Coal measures of an orogenic recess: Late Permian Sydney Basin, Australia. Palaeogeography, Palaeoclimatology, Palaeoecology 58(3/4) p203-219
Usage: Mentioned (p210) Comments:
REFID: 40321 Brakel, A.T. 1986 Global sea-level change as a method of correlating the Late Permian coal measures in the Sydney, Gunnedah, and Bowen Basins, eastern Australia. BMR Journal of Australian Geology and Geophysics 10(1) p17-22
Usage: Mentioned (p19) Comments:
REFID: 40166 Slansky, J.M. 1985 Geochemistry of high-temperature coal ashes and the sedimentary environment of the New South Wales coals, Australia. International Journal of Coal Geology 5(4) p339-376
Usage: Mentioned (p347) Comments: See also Table 1 and Fig.2
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 (p303) Comments:
REFID: 39609 Bowman, H.N. , Whitehouse, J. 1984 The Nobbys-Dudley-Yard Seam, Kilaben Bay, Newcastle area. Geological Survey of New South Wales. Quarterly Notes 56 p1-12
Usage: Mentioned (Table 1) Comments:
REFID: 39232 Bembrick, C.S. 1983 Stratigraphy and sedimentation of the Late Permian Illawarra Coal Measures in the Western Coalfield, Sydney Basin, New South Wales. Royal Society of New South Wales. Journal and Proceedings 116(3/4) p105-117
Usage: Mentioned (p113) Comments:
REFID: 37924 Herbert, C. 1981 Late Palaeozoic glacigenic sediments of the southern Sydney Basin, New South Wales. IN Hambrey M.J., Harland W.B.(Eds) - Earth's pre- Pleistocene glacial record. (Cambridge Earth Sciences Series). Cambridge University Press, Cambridge, United Kingdom 1v p488-491
Usage: Mentioned (p488) 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 (p33) Comments: See also Fig.2.2
REFID: 39299 Herbert, C. 1980 Evidence for glaciation in the Sydney Basin and Tamworth synclinorial zone. IN Herbert C.,Helby R.(eds) - A guide to the Sydney Basin. Geological Survey of New South Wales. Bulletin 26 p274-293
Usage: Mentioned (p288) Comments:
REFID: 39292 Diessel, C.F.K. 1980 Newcastle and Tomago Coal Measures. IN Herbert C.,Helby R.(eds) - A guide to the Sydney Basin. Geological Survey of New South Wales. Bulletin 26 p100-114
Usage: Mentioned (Fig. 6.3) 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: Mentioned (Fig. 23.4) Comments:
REFID: 36042 Branagan, D. , Herbert, C. , Langford-Smith, T. 1979 The Sydney Basin. Science Press 1v
Usage: Mentioned (Fig.7) Comments:
REFID: 37084 Crapp, C.E. 1975 East Maitland-Tomago district. In Traves D.M. and King D.(Eds) - Economic geology of Australia and Papua New Guinea - 2.Coal. AusIMM. Monograph Series 6 p175-180
Usage: Mentioned (p177) Comments:
REFID: 37087 Britten, R.A. 1975 Singleton-Muswellbrook district. IN Traves D.M. and King D.(Eds) - Economic geology of Australia and Papua New Guinea - 2.Coal. AusIMM. Monograph Series 6 p191-205
Usage: Mentioned (p198) 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 (p26) Comments: Relationship of rock units
REFID: 43447 Engel, B.A. 1966 Explanatory Notes, 1:250 000 geological series, Newcastle I56-2. 1st Edition Geological Survey of New South Wales
Usage: Not recorded (Table 1,diag.p22,23) Comments: Tomago Coal Measures
REFID: 43491 Fairbridge, R.W. 1953 Australian Stratigraphy.XII chaps, end paper (2nd edition) University of Western Australia. Text Books Board 2nd edition
Usage: Not recorded (not on card) Comments:

Bibliographic references returned: 42
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