| Champion Bay Group | |
|---|---|
| Stratigraphic range: Bajocian ~170 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓ | |
| 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 / -28.8; 114.9 |
| Approximate paleocoordinates | 40°06′S 57°30′E / 40.1°S 57.5°E / -40.1; 57.5 |
| Region |  Western Australia |
| Country |  Australia |
| Extent | Perth Basin |
  Champion Bay Group (Australia) | |
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.
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