Kootenai Formation
From Infogalactic: the planetary knowledge core
| Kootenai Formation | |
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An outcrop of the Gastropod Limestone of the Kootenai Formation in western Montana.
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| Type | Geological formation |
| Sub-units | Basal Conglomerate, Lower Clastics, Lower Limestone, Upper Clastics, Gastropod Limestone |
| Underlies | Blackleaf Formation |
| Overlies | Morrison Formation |
The Kootenai Formation is a Lower Cretaceous geologic formation. The Kootenai was deposited in a foreland basin east of the Sevier thrust belt in western Montana. The lithology consists of a basal conglomerate with overlying non-marine sandstones, shales and lacustrine limestones.[1]
Dinosaur remains are among the fossils that have been recovered from the formation, although none have yet been referred to a specific genus.[2]
See also
Footnotes
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- Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. ISBN 0-520-24209-2.
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- ↑ Decelles, P. G., Sedimentation in a tectonically partitioned, nonmarine foreland basin: The Lower Cretaceous Kootenai Formation, southwestern Montana, GSA Bulletin, 1997, v. 97 no. 8 p. 911-931
- ↑ Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.
