Warsaw Formation | |
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Stratigraphic range: Mississippian | |
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Type | Formation |
Underlies | Salem Formation |
Overlies | Keokuk Limestone[1] |
Location | |
Region | Illinois, Iowa, Missouri |
Country | United States |
Type section | |
Named for | Warsaw, Hancock County, Illinois[1] |
The Warsaw Formation is a geologic formationinIllinois, Iowa and Missouri. It preserves fossils dating back to the Mississippian subperiod.
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