Penn Yan Formation
The Penn Yan Formation[1] is a geologic formation in New York. It preserves fossils dating back to the Devonian period.
| Penn Yan Formation Stratigraphic range: Frasnian | |
|---|---|
| Type | Formation |
| Unit of | Genesee Group |
| Lithology | |
| Primary | Shale |
| Location | |
| Region |  |
| Country |  |
| Type section | |
| Named for | Penn Yan, NY |
References
- "Genesee Group". United States Geological Survey. Retrieved 25 September 2015.
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 31 July 2014. Retrieved 29 June 2014.
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