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| Breathitt Formation | |
|---|---|
| Stratigraphic range: Early to Middle Pennsylvanian | |
| Type | Sedimentary |
| Location | |
| Region | Kentucky (extending into northern Tennessee and southwestern West Virginia) |
| Country | United States |
| Type section | |
| Named for | Breathitt County, Kentucky |
| Named by | Marius R. Campbell (1898) [1] |
The Breathitt Formation is a geologic formation in Kentucky which preserves fossils dating back to the Pennsylvanian period. [2]