Patoka Formation

Patoka Formation
Stratigraphic range: Pennsylvanian
TypeFormation
Unit ofMcLeansboro Group
UnderliesBond Formation
OverliesShelburn Formation
Location
RegionIllinois and Indiana
CountryUnited States

The Patoka Formation is a geologic formation in Illinois. It preserves fossils dating back to the Carboniferous period.

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