| 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.