Garden Island Formation
The Garden Island Formation is a geologic formation in Michigan. It preserves fossils dating back to the Devonian period.
| Garden Island Formation | |
|---|---|
| Stratigraphic range: Early Devonian | |
| Type | Formation |
| Underlies | Bois Blanc Formation |
| Overlies | Raisin River Dolomite |
| Location | |
| Region | Michigan |
| Country | United States |
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