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.
This article is issued from Wikipedia - version of the 10/3/2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.