Coalfield Geology Council of New South Wales 2004
This was published in 2004, and contains revisions of the stratigraphy and terminology of the Wollombi Coal Measures (now the Newcastle Coal Measures) in the Sydney Basin.
The Wollombi Coal Measures Working Party recommended the following stratigraphic revisions to the Coalfield Geology Council. The following resolutions were subsequently ratified:
1. That the entire Wollombi Coal Measure nomenclature be replaced with Newcastle Coal Measure nomenclature in the northern Sydney Basin.
2. That Amoco Wybong DDH1 be adopted as the ‘Reference Bore’ for the Newcastle Coal Measures in the Hunter Valley.
3. That the base of the Newcastle Coal Measures in the Hunter Valley be raised to the top of the Watts Sandstone so as to conform to the same nomenclature in the Newcastle Coalfield. (The Watts Sandstone is therefore retained in Hunter Valley nomenclature and is recognised as the equivalent of the Waratah Sandstone in the Newcastle Coalfield.)
4. That the Singleton Supergroup in the Hunter Valley now consists of the Newcastle Coal Measures, the Watts Sandstone and the Wittingham Coal Measures.
The Bulletin is available by the Department’s DIGS system as Report/Document Number: GS2004/415