Potosi Formation Stratigraphic range: Cambrian | |
---|---|
Fossil from the Potosi Dolomite | |
Type | Formation |
Underlies | Eminence Dolomite and Oneota Dolomite |
Overlies | Davis Formation,[1] Derby-Doerun Dolomite,[2] and Franconia Formation |
Location | |
Coordinates | [ ⚑ ] : 38°05′30″N 90°41′07″W / 38.091733°N 90.685176°W |
Region | Illinois, Indiana , Missouri |
Country | United States |
The Potosi Formation is a geologic formation in Missouri, Illinois and Indiana . It preserves fossils dating back to the Cambrian period.
Original source: https://en.wikipedia.org/wiki/Potosi Dolomite.
Read more |