Newmarracarra Limestone

The Newmarracarra Limestone is a Bajocian geologic formation, in Western Australia. It consists of yellow grey sandy or clayey limestone, which occasionally grades into calcareous sandstone.[1] Fossils of the Rhynchonellida in the family Wellerellidae, Cirpa fromontae were reported from the formation.[2]

Newmarracarra Limestone Stratigraphic range: Late Bajocian ~169–168.3 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Type	Geological formation
Unit of	Champion Bay Group
Underlies	Kojarena Sandstone
Overlies	Colalura Sandstone, Bringo Shale
Lithology
Primary	Limestone
Other	Sandstone
Location
Coordinates	28.7°S 114.8°E
Approximate paleocoordinates	40.1°S 57.5°E
Region	Western Australia
Country	Australia
Extent	Perth Basin
Newmarracarra Limestone (Australia) Newmarracarra Limestone (Western Australia)

References

1. "Newmarracarra Limestone". Australian Stratigraphic Units Database. Geoscience Australia and Australian Stratigraphy Commission. Retrieved 21 August 2018.
2. Craig, 2002

Bibliography

• R. S. Craig. 2002. A new Jurassic Rhynchonellide Brachiopod from the Newmarracarra Limestone, Perth Basin, Western Australia. Records of the Western Australian Museum (20)387-392