Champion Bay Group
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Champion Bay Group | |
---|---|
Stratigraphic range: Bajocian ~ | |
Type | Group |
Sub-units | Colalura Sandstone, Newmarracarra Limestone, Kojarena Sandstone, Bringo Shale |
Underlies | Yarragadee Formation |
Overlies | Chapman Group |
Lithology | |
Primary | Sandstone, limestone, shale |
Location | |
Coordinates | 28°48′S 114°54′E / 28.8°S 114.9°E |
Approximate paleocoordinates | 40°06′S 57°30′E / 40.1°S 57.5°E |
Region | ![]() |
Country | ![]() |
Extent | Perth Basin |
The Champion Bay Group is a stratigraphic group in Australia, it was deposited in the Bajocian stage of the Middle Jurassic.[1] The limestones of the group have provided ammonites.
References
- ^ "Champion Bay Group". Australian Stratigraphic Units Database. Geoscience Australia and Australian Stratigraphy Commission. Retrieved 22 August 2018.
Further reading
- R. L. Hall. 1989. Lower Bajocian ammonites (Middle Jurassic; Soninniidae) from the Newmarracarra Limestone, Western Australia. Alcheringa 13:1-20
Categories:
- Pages using gadget WikiMiniAtlas
- Use Australian English from May 2024
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- Coordinates on Wikidata
- Geologic groups of Oceania
- Geologic formations of Australia
- Jurassic System of Australia
- Bajocian Stage
- Sandstone formations
- Shale formations
- Limestone formations
- Shallow marine deposits
- Geology of Western Australia