Ozan Formation

Ozan Formation
Stratigraphic range: Cretaceous
Fossil ammonites from the Ozan Formation
TypeFormation
Sub-unitsAustin Group
UnderliesAnnona Chalk
OverliesAustin Chalk, Brownstown Marl
Thickness150 to 250 feet
Location
RegionArkansas, Oklahoma
CountryUnited States
Type section
Named byC.H. Dane

The Ozan Formation is a geologic formation in Arkansas, Oklahoma and Texas. It preserves fossils dating back to the Cretaceous period.

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