Powell Formation
| Powell Formation Stratigraphic range: Ordovician | |
|---|---|
| Type | Formation |
| Underlies | Everton Formation |
| Overlies | Cotter Formation[1] |
| Lithology | |
| Primary | Dolostone |
| Other | Shale, sandstone, chert |
| Location | |
| Region | Arkansas, Missouri and Virginia |
| Country | United States |
The Powell Formation or Powell Dolomite is a geologic formation in northern Arkansas, southeast Missouri[2] and Virginia. It contains gastropod, cephalopod, and trilobite fossils dating back to the Ordovician Period.[2]
See also
- List of fossiliferous stratigraphic units in Arkansas
- List of fossiliferous stratigraphic units in Missouri
- List of fossiliferous stratigraphic units in Virginia
References
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 22 June 2014.