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The Sylvania Sandstone is a geologic formationinOhio and Michigan. Its type locality is Sylvania, Ohio. It preserves fossils dating back to the Devonian period.[citation needed]
| Sylvania Sandstone | |
|---|---|
| Stratigraphic range: Middle Devonian | |
| Type | Formation |
| Unit of | Detroit River Group |
| Underlies | Amherstburg Formation |
| Overlies | Bois Blanc Formation |
| Location | |
| Region | Michigan and Ohio |
| Country | United States |
 | This article about a specific stratigraphic formation in Ohio is a stub. You can help Wikipedia by expanding it. |
