Cotter Formation
Cotter Formation Stratigraphic range: Ordovician | |
---|---|
Type | Formation |
Underlies | Powell Formation |
Overlies | Jefferson City Formation |
Lithology | |
Primary | Dolostone |
Other | Chert, sandstone, shale |
Location | |
Region | Arkansas, Missouri, Virginia |
Country | United States |
Type section | |
Named for | Cotter, Baxter County, Arkansas |
The Cotter Formation is a geologic formation in Arkansas[1] Missouri[2] and in Virginia. It preserves fossils dating back to the Ordovician period.
See also
References
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 22 June 2014.
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