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| Cook Mountain Formation | |
|---|---|
| Stratigraphic range: Paleogene | |
| Gastropoda fossils from the Cook Mountain Formation | |
| Type | Formation |
| Underlies | Cockfield Formation |
| Overlies | Sparta Formation |
| Location | |
| Region | Alabama, Louisiana, Mississippi, Texas |
| Country | United States |
| Type section | |
| Named for | Cook Mountain, Houston County, Texas |
| Named by | William Kennedy [1] |
The Cook Mountain Formation is a geologic formation in Alabama. It preserves fossils dating back to the Paleogene period.