Collingwood Shale

Collingwood Shale
Stratigraphic range: Middle Ordovician
TypeFormation
UnderliesBill's Creek Shale
OverliesTrenton Formation
Location
RegionMichigan
CountryUnited 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". Retrieved 17 December 2021.


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