Nacatoch Formation

Nacatoch Formation
Stratigraphic range: Late Cretaceous
TypeFormation
UnderliesArkadelphia Marl
OverliesSaratoga Formation
Thickness150 to 400 feet
Location
RegionArkansas
CountryUnited States
Type section
Named forNacatoch Bluff on the Little Missouri River, Clark County, Arkansas
Named byAlbert Homer Purdue

The Nacatoch Formation is a geologic formation in Arkansas, USA. It preserves fossils dating back to the Cretaceous period.

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