Oneota Dolomite

Oneota Formation
Stratigraphic range: Ordovician
Type Formation
Underlies Shakopee Dolomite
Overlies Jordan Sandstone
Location
Region Midwestern United States
Country United States
Extent Illinois, Indiana, Minnesota, and Wisconsin

The Oneota Formation is a geologic formation in Wisconsin. It preserves fossils dating back to the Ordovician period.

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References


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