Big Hill Formation
The Big Hill Formation is a geologic formation in Michigan. It preserves fossils dating back to the Ordovician period.
| Big Hill Formation | |
|---|---|
| Stratigraphic range: Late Ordovician | |
_1.jpg.webp) Jointed limestone from the Big Hill Formation (Upper Peninsula of Michigan) | |
| Type | Formation |
| Unit of | Richmond Group (geology) |
| Underlies | Manitoulin Dolomite |
| Overlies | Stonington Formation |
| Lithology | |
| Primary | limestone |
| 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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