Keasey Formation

The Keasey Formation is a geologic formation in northwestern Oregon. It preserves fossils dating back to the Paleogene period.

Keasey Formation
Stratigraphic range: Priabonian-Rupelian
Fossil from the Keasey Formation
TypeFormation
UnderliesPittsburg Bluff Formation
OverliesCowlitz Formation
Location
RegionOregon
Country United States
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