Champion Bay Group
The Champion Bay Group is a stratigraphic group in Australia, it was deposited in the Bajocian stage of the Middle Jurassic. The limestones of the group have provided ammonites.
| 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 | 28.8°S 114.9°E |
| Approximate paleocoordinates | 40.1°S 57.5°E |
| Region | Western Australia |
| Country | Australia |
| Extent | Perth Basin |
Champion Bay Group (Australia) | |
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