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
TypeGeological formation
Unit ofChampion Bay Group
UnderliesKojarena Sandstone
OverliesColalura Sandstone, Bringo Shale
Lithology
PrimaryLimestone
OtherSandstone
Location
Coordinates28.7°S 114.8°E / -28.7; 114.8
Approximate paleocoordinates40.1°S 57.5°E / -40.1; 57.5
RegionWestern Australia
Country Australia
ExtentPerth 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
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