Collingwood Shale
| Collingwood Shale | |
|---|---|
| Stratigraphic range: Middle Ordovician | |
| Type | Formation |
| Underlies | Bill's Creek Shale |
| Overlies | Trenton Formation |
| Location | |
| Region |  Michigan |
| Country |  United States |
The Collingwood Formation is a geologic formation in Michigan. It preserves fossils dating back to the Ordovician period.
See also
References
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 31 July 2014. Retrieved 22 June 2014.
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 | This article about a specific stratigraphic formation in Michigan is a stub. You can help Wikipedia by expanding it. |
Categories:
- Ordovician System of North America
- Ordovician Michigan
- Oil shale in Canada
- Oil shale in the United States
- Oil shale formations
- Oil-bearing shales in Canada
- Oil-bearing shales in the United States
- Ordovician southern paleotropical deposits
- Middle Ordovician Series
- Midwestern United States geologic formation stubs
- Michigan geography stubs