Freda Sandstone | |
---|---|
Stratigraphic range: Proterozoic | |
Type | Formation |
Underlies | Jacobsville Sandstone |
Overlies | Nonesuch Shale |
Lithology | |
Primary | sandstone |
Other | mudstone, shale |
Location | |
Region | Michigan and Wisconsin |
Country | United States |
The Freda Sandstone is a geologic formation in Michigan. It dates back to the Proterozoic. Lithologically, the Freda Sandstone is a lithic, red-brown, cyclic sequence of sandstones, mudstones and shales (conglomerates are rare).