| Amherstburg Formation Stratigraphic range: Middle Devonian |
|
|---|---|
| Type | Formation |
| Underlies | Lucas Formation |
| Overlies | Sylvania Sandstone |
| Location | |
| Region | Ontario and Michigan |
| 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.