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Boolaroo Subgroup STRATNO: 2220
Current: Yes Rank: Subgroup Status: Formal State(s): NSW
Category: Unknown or process pending Usage: Briefly described Definition Card: No
Originator: Entry date: 01-JAN-88Last Update: 04-OCT-16
Replaced by: Previously known as: Boolaroo Sub-Group
Description: Sandstone, conglomerate, tuff, black coal.
Comments: Of McKenzie and Britten (1969). Replaced in part by Boolaroo Formation. Apparently reinstated as Subgroup (2015): RefID 70647.
Geological province: Lachlan Orogen
Type state: Reference section type:
Maximum thickness: mMinimum 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


Related units: Relationship: Contact Type:
Moon Island Beach Subgroup overlies Boolaroo Subgroup conformity
Adamstown Subgroup underlies Boolaroo Subgroup conformity
First Reference:
REFID: 39666 Holmes, G.G., 1983, Bentonite and Fullers Earth in New South Wales., Geological Survey of New South Wales. Mineral Resources, 45

Use on maps:
REFID: 70647 Och, D.J., Jones, D.C., Uren, R.E., Hughes, K.S., 2015, Gosford- Lake Macquarie Special 1:100 000 geological sheet 9131 & part 9231, Geological Survey of New South Wales, map


Full Bibliographic Details (ordered by usage, publication year)

REFID: 70647 Och, D.J. , Jones, D.C. , Uren, R.E. , Hughes, K.S. 2015 Gosford- Lake Macquarie Special 1:100 000 geological sheet 9131 & part 9231 Geological Survey of New South Wales map
Usage: Briefly described (Map Legend) Min age from reference: Late Permian Max age from reference: Late Permian Comments: Sydney Basin. , Newcastle Coal Measures , Sandstone, conglomerate, tuff, black coal.
REFID: 68711 Ives, M. , Brunton, J. , Edwards, J. , Rigby, R. , Tobin, C. , Weber, C.R. 1999 Revision of the stratigraphy of the Newcastle Coal Measures Coalfield Geology Council Of New South Wales. Bulletin 1 113-119
Usage: Briefly described (p118, p116 Tbl 2) Comments: Of McKenzie and Britten (1969). Replaced in part by Boolaroo Formation. See also p113. , Formerly of Newcastle Coal Measures , Included Mount Hutton Formation, Hartley Hill Coal, Warners Bay Formation, Lower Pilot Coal, Reids Mistake Formation, Upper Pilot Coal, Croudace Bay Formation.
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: Briefly described (p 49) Comments: Newcastle Coal Measures
REFID: 24121 Matthei, L.E. 1995 Soil Landscapes of the Newcastle 1:100 000 Sheet Department of Land and Water Conservation. Report. 320p
Usage: Briefly described (p4) Comments: Of Newcastle Coal Measures.
REFID: 42214 Gulson, B.L. , Diessel, C.F.K. , Mason, D.R. , Krogh, T.E. 1990 High precision radiometric ages from the northern Sydney Basin and their implication for the Permian time interval and sedimentation rates. Australian Journal of Earth Sciences 37(4) p459-469
Usage: Mentioned (Table 1 P462) 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: 39666 Holmes, G.G. 1983 Bentonite and Fullers Earth in New South Wales. Geological Survey of New South Wales. Mineral Resources 45
Usage: Mentioned (Table 20) Comments:

Bibliographic references returned: 7 This data is subject to Geoscience Australia's disclaimer and copyright statements.