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| Bush Bay Formation | |
|---|---|
| Stratigraphic range: Silurian | |
| Type | Formation |
| Unit of | Engadine Group |
| Underlies | Pointe aux Chenes Formation |
| Overlies | Rapson Creek Formation |
| Location | |
| Region |  Michigan |
| Country |  United States |
The Bush Bay Formation is a geologic formation in Michigan. It preserves fossils dating back to the Silurian period.
