Freeport Formation
The Freeport Formation is a geologic formation in Pennsylvania and Ohio. It preserves fossils dating back to the Late Pennsylvanian period.[2] It is within the Allegheny Group.
| Freeport Formation | |
|---|---|
| Stratigraphic range: Pennsylvanian | |
| Type | Formation |
| Location | |
| Region | Pennsylvania, Ohio |
| Country | United States |
| Type section | |
| Named for | Freeport, Pennsylvania |
| Named by | H. D. Rogers, 1840[1] |
References
- Rogers, H. D., 1840, Fourth annual report of the geological survey of the state of Pennsylvania. Harrisburg, PA, 215 p. ()
- Freeport, National Geologic Map Database, Geolex — Unit Summary.
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 25 March 2022. Retrieved 17 December 2021.
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