Colalura Sandstone

The Colalura Sandstone is a Middle Jurassic geologic formation of the Perth Basin of Western Australia. The formation overlies the Moonyoonooka Sandstone.[2]

Colalura Sandstone
Stratigraphic range: middle Bajocian
~169 Ma
TypeGeological formation
Unit ofChampion Bay Group
UnderliesBringo Shale, Newmarracarra Limestone[1]
OverliesMoonyoonooka Sandstone
ThicknessMaximum 8.5 m (28 ft)
Lithology
PrimarySandstone, conglomerate
OtherClaystone, siltstone, shale
Location
Coordinates28.7°S 114.8°E / -28.7; 114.8
Approximate paleocoordinates39.8°S 57.5°E / -39.8; 57.5
RegionWestern Australia
Country Australia
ExtentPerth Basin
Colalura Sandstone (Australia)
Colalura Sandstone (Western Australia)

Dinosaur remains have been recovered from the formation.[3]

Vertebrate paleofauna

Few remains of the sandstone have been assigned to a genus. Unassigned remains include rare reptilian bones such as an isolated plesiosaur vertebra and paddle.[1]

Vertebrates
GenusSpeciesLocationStratigraphic positionMaterialNotesImages
Ozraptor O. subotaii Western Australia The distal end of a tibia[1][3] The single bone is of a questionable theropod identity.[4]
Sauropoda Indeterminate Caudal vertebra

Flora

Petrified wood is very common in the Colalura Sandstone.[1]

See also

References

  1. Long, J.A.; Molnar, R.E. (1998). "A new Jurassic theropod dinosaur from Western Australia" (PDF). Records of the Western Australian Museum. 19: 121–129.
  2. "Australian Stratigraphic Units Database, Geoscience Australia".
  3. Weishampel, David B.; Dodson, Peter; Osmólska, Halszka, eds. (6 November 2004). The Dinosauria (Second Ed.). University of California Press. pp. 1–861. ISBN 978-0-520-24209-8.
  4. Rahut, O.W.M. (2005). "Osteology and Relationships of a New Theropod Dinosaur from the Middle Jurassic of Patagonia" (PDF). Palaeontology. 48 (1): 87–110. doi:10.1111/j.1475-4983.2004.00436.x.
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