Wasatch Formation

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Wasatch Formation
Stratigraphic range: Early Eocene
Type Formation
Region Wyoming
Country United States

The Wasatch Formation is a geologic formation in Wyoming. It preserves fossils dating back to the Paleogene period.

At the base of Fossil Butte are the bright red, purple, yellow and gray beds of the Wasatch Formation. Eroded portions of these horizontal beds slope gradually upward from the valley floor and steepen abruptly. Overlying them and extending to the top of the butte are the much steeper buff-to-white beds of the Green River Formation, which are about 300 feet thick.

See also


  • Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 8 July 2014.
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