Thunder Bay Limestone
| Thunder Bay Limestone Stratigraphic range: Middle Devonian | |
|---|---|
| Type | Formation |
| Unit of | Traverse Group |
| Sub-units | Partidge Point Member, Potter Farm Member, and Norway Point Member |
| Underlies | Kettle Point Formation and Squaw Bay Limestone |
| Overlies | Alpena Limestone |
| Location | |
| Region |  Michigan |
| Country |  United States |
The Thunder Bay Limestone is a geologic formation in Michigan. It preserves fossils dating back to the Devonian period.
References[]
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
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 | This article about a specific stratigraphic formation in Michigan is a stub. You can help Wikipedia by . |
Categories:
- Devonian Michigan
- Middle Devonian Series
- Midwestern United States geologic formation stubs
- Michigan geography stubs