Cummingsville Formation
Appearance
Cummingsville Formation | |
---|---|
Stratigraphic range: Ordovician | |
Type | Formation |
Overlies | Decorah Shale |
Location | |
Country | United States |
Extent | Iowa and Minnesota |
The Cummingsville Formation is a geologic formation in Iowa and Minnesota. 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 8 July 2014.
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