Stratigraphic range: Early Cretaceous
An outcrop of the Gastropod Limestone of the Kootenai Formation in western Montana.
|Sub-units||Basal Conglomerate, Lower Clastics, Lower Limestone, Upper Clastics, Gastropod Limestone|
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.
- List of dinosaur-bearing rock formations
- 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.
- Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. ISBN 0-520-24209-2.
|This article about a specific stratigraphic formation in the United States is a stub. You can help Wikipedia by expanding it.|