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