Type Formation Primary Dolostone Underlies Everton Formation | Country United States Overlies Cotter Formation | |
Other Shale, sandstone, chert Regions Arkansas, Missouri, Virginia | ||
The Powell Formation or Powell Dolomite is a geologic formation in northern Arkansas, southeast Missouri and Virginia. It contains gastropod, cephalopod, and trilobite fossils dating back to the Ordovician Period.
References
Powell Formation Wikipedia(Text) CC BY-SA