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Potosi Dolomite

Geologic formation From Wikipedia, the free encyclopedia

The Potosi Formation is a geologic formation in Missouri, Illinois and Indiana. It preserves fossils dating back to the Cambrian period.

TypeFormation
UnderliesEminence Dolomite and Oneota Dolomite
OverliesDavis Formation,[1] Derby-Doerun Dolomite,[2] and Franconia Formation
Coordinates38.091733°N 90.685176°W / 38.091733; -90.685176
Quick facts Type, Underlies ...
Potosi Formation
Stratigraphic range: Cambrian
Fossil from the Potosi Dolomite
TypeFormation
UnderliesEminence Dolomite and Oneota Dolomite
OverliesDavis Formation,[1] Derby-Doerun Dolomite,[2] and Franconia Formation
Location
Coordinates38.091733°N 90.685176°W / 38.091733; -90.685176
RegionIllinois, Indiana, Missouri
CountryUnited States
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Paleofauna

Monoplacophora

  • Gayneoconus
G. echolsi[3]

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