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Avon Subgroup STRATNO: 802
Current: Yes Rank: Subgroup Status: Formal State(s): NSW
Category: Variation of published name Usage: Briefly described Definition Card: No
Originator: Entry date: 01-JAN-88 Last Update: 05-AUG-08
Replaced by: Previously known as:
Description:
Comments: Not related to Avon Supergroup in Victoria Tasman Fold Belt, which should be Avon River Supergroup. Subset of the Gloucester Coal Measures which Include rocks of the former Avon Coal Measures.
Geological province: New England Orogen
Type state: Reference section type:
Maximum thickness: 420m 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


Related units: Relationship: Contact Type:
First Reference:
REFID: 40872 Helby, R., Lennox, M., Roberts, J., 1986, The age of the Permian sequence in the Stroud-Gloucester Trough., Royal Society of New South Wales. Journal and Proceedings, 119(1/2), p33-42

Use on maps:
REFID: 50147 Roberts, J., Engel, B., Lennox, M., Chapman, J., 1991, Dungog, New South Wales 1:100 000 Geological Sheet 9233, Geological Survey of New South Wales. 1:100,000 geological sheet series, 1v, Map


Full Bibliographic Details (ordered by usage, publication year)

REFID: 23623 Ward, C.R. , Bocking, M. , Ruan, C. 2001 Mineralogical analysis of coals as an aid to seam correlation in the Gloucester Basin, New South Wales, Australia International Journal of Coal Geology 47(1) p31-49
Usage: Briefly described (p33 Fig. 2) Min age from reference: Late Permian Max age from reference: Late Permian Comments: Gloucester Coal Measures. Geological Province: New England Fold Belt.
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 (p534 App.1 Tb.A1.9) Min age from reference: Late Permian Max age from reference: Late Permian Comments: Of the Gloucester Coal Measures. Geological Province: Sydney 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: 50147 Roberts, J. , Engel, B. , Lennox, M. , Chapman, J. 1991 Dungog, New South Wales 1:100 000 Geological Sheet 9233 Geological Survey of New South Wales. 1:100,000 geological sheet series 1v Map
Usage: Briefly described (Map legend) Min age from reference: Late Permian Max age from reference: Late Permian Comments: Of the Gloucester Coal Measures. Geological Province: Western Myall Block.
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 (p168 Tb. 2, p175) Min age from reference: Late Permian Max age from reference: Late Permian Comments: Of the Gloucester Coal Measures. Comprises Waukivory Creek and Dog Trap Creek Formations. Max. thickness: 420m. Geological Procince: Myall Block. See also p276.
REFID: 41054 McMinn, A. 1987 Palynostratigraphy of the Stroud Gloucester Trough, N.S.W. Alcheringa 11(2) p151-164
Usage: Mentioned (p152) Comments:
REFID: 40872 Helby, R. , Lennox, M. , Roberts, J. 1986 The age of the Permian sequence in the Stroud-Gloucester Trough. Royal Society of New South Wales. Journal and Proceedings 119(1/2) p33-42
Usage: Mentioned (Fig.2) Comments:

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