| Sylvania Sandstone Stratigraphic range: Middle Devonian |
|
|---|---|
| Type | Formation |
| Underlies | Amherstburg Formation |
| Overlies | Bois Blanc Formation |
| Location | |
| Region | Michigan and Ohio |
| Country | United States |
The Sylvania Sandstone is a geologic formation in Ohio and Michigan. Its type locality is Sylvania, Ohio. It preserves fossils dating back to the Devonian period.