Mowry Shale

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Mowry Shale
Stratigraphic range: Late Cretaceous
TypeGeological formation
RegionJohnson County, Wyoming
Type section
Named byN. H. Darton in 1904
Mancos Shale and Mowry shale oil and gas fields within the Uinta Basin and Piceance Basin
Stratigraphic column showing the relationship of the Mancos and Mowry shales

The Mowry Shale is a Late Cretaceous geologic formation. The formation was named for Mowrie Creek, northwest of Buffalo in Johnson County, Wyoming.[1] The Mowry crops out or occurs at depth in parts of Colorado, Montana, North Dakota, South Dakota, Utah and Wyoming. It occurs within the following geologic regions:[1]

Dinosaur remains diagnostic to the genus level are among the fossils that have been recovered from the formation.[2]

See also[edit]


  1. ^ a b Mowry Shale
  2. ^ Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.
  • Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. ISBN 0-520-24209-2.