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Lewis Coal Member STRATNO: 27463
Current: Yes Rank: Member, phase Status: Informal State(s): NSW
Category: Unknown or process pending Usage: Briefly described Definition Card: No
Originator: Entry date: 01-JAN-88Last Update: 20-SEP-18
Replaced by: Previously known as:
Description: Coal, with no persistent bands and relatively few "floating" bands
Comments: Greta Coal Measures, Sydney Basin. Musswellbrook area.
Geological province: No province information available
Type state: Reference section type:
Maximum thickness: mMinimum thickness:
Unit Age Event: deposition
Top of unit -
Minimum age: 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: 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: 39346 Summerhayes, G., 1983, Muswellbrook, New South Wales, 1:25 000 geological map. Sheet 9033-11-N, 1st edition., Geological Survey of New South Wales, 1v

Use on maps:
REFID: 39346 Summerhayes, G., 1983, Muswellbrook, New South Wales, 1:25 000 geological map. Sheet 9033-11-N, 1st edition., Geological Survey of New South Wales, 1v


Full Bibliographic Details (ordered by usage, publication year)

REFID: 70791 Dawson, M. W. 2016 Cisuralian coals of the Mullaley Sub-basin, northern New South Wales Australian Journal of Earth Sciences 63/3 p275-294
Usage: Briefly described (p285, p293 Fig.17) Min age from reference: Permian Max age from reference: Permian Comments: Muswellbrook area. Has similarities with Bibblewindi Coal Member (Mullaley Sub-basin). , Skeletar Formation
REFID: 40331 Hamilton, D.S. 1986 Depositional systems and coal seam correlation in the Greta Coal Measures of the Muswellbrook region. Geological Society of Australia. Coal Geology Group. Journal 6 p1-18
Usage: Mentioned (p5) Comments:
REFID: 39346 Summerhayes, G. 1983 Muswellbrook, New South Wales, 1:25 000 geological map. Sheet 9033-11-N, 1st edition. Geological Survey of New South Wales 1v
Usage: Mentioned (Map legend) Min age from reference: Middle Permian Max age from reference: Middle Permian Comments:

Bibliographic references returned: 3 This data is subject to Geoscience Australia's disclaimer and copyright statements.