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| Marianna Limestone | |
|---|---|
| Stratigraphic range: Paleogene | |
| Type | Geologic formation |
| Lithology | |
| Primary | Limestone |
| Location | |
| Region | Alabama, Florida, Mississippi |
| Country |  United States |
The Marianna Limestone is a limestone geologic formation located in Alabama, northwestern Florida, and Mississippi.
It preserves fossils dating back to the Paleogene period of the early Cenozoic Era.