Saginaw Formation | |
---|---|
Stratigraphic range: Pennsylvanian | |
Type | Formation |
Underlies | Grand River Formation |
Overlies | Parma Sandstone |
Location | |
Region | ![]() |
Country | ![]() |
The Saginaw Formation is a geologic formation in Michigan. It preserves fossils dating back to the Pennsylvanian period.