| Amherstburg Formation | |
|---|---|
| Stratigraphic range: Middle Devonian | |
| Type | Formation |
| Unit of | Detroit River Group |
| Underlies | Lucas Formation |
| Overlies | Sylvania Sandstone |
| Location | |
| Region | Michigan, Ohio, and Ontario |
| Country | Canada and United States |
The Amherstburg Formation is a geologic formation in Ontario, Canada and Michigan, United States. It preserves fossils dating back to the Devonian period.
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