Coldwater Shale

Coldwater Shale
Stratigraphic range: Mississippian
TypeFormation
UnderliesMarshall Sandstone and New Providence Shale
OverliesSunbury Shale
Location
RegionIndiana, Michigan, and Ohio
CountryUnited States

The Coldwater Shale is a geologic formation in Michigan. It preserves fossils dating back to the Mississippian period.

References