Bass Islands Formation
The Bass Islands Formation is a geologic formation in Michigan. It preserves fossils dating back to the Silurian period.
| Bass Islands Formation | |
|---|---|
| Stratigraphic range: Silurian | |
| Type | Formation |
| Sub-units | St. Ignace Dolomite, Put-in-Bay Dolomite, Tymochtee Dolomite |
| Underlies | Amherstburg Formation, Columbus Limestone, and Helderberg Group |
| Overlies | Salina Formation |
| Location | |
| Region | Michigan |
| Country | United States |
References
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
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