Cummingsville Formation | |
---|---|
Stratigraphic range: Ordovician | |
Type | Formation |
Overlies | Decorah Shale |
Location | |
Country | United States |
Extent | Iowa and Minnesota |
The Cummingsville Formation is a geologic formationinIowa and Minnesota. It preserves fossils dating back to the Ordovician period.
| |||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ph |
| ||||||||||||||||||||||||||||||||||||||||||
pЄ |
|
This article about a specific stratigraphic formation in Iowa is a stub. You can help Wikipedia by expanding it. |
This article related to the Ordovician period is a stub. You can help Wikipedia by expanding it. |