Hartshorne Formation
The Hartshorne Formation is a geologic formation in Arkansas and Oklahoma. It preserves fossils dating back to the Carboniferous period.
| Hartshorne Formation Stratigraphic range: Carboniferous | |
|---|---|
| Type | Formation |
| Underlies | McAlester Formation |
| Overlies | Atoka Formation |
| Location | |
| Region | Arkansas, Oklahoma |
| Country | United States |
| Type section | |
| Named by | J.A. Taff[1] |
References
- Taff, J.A. (1899). "Geology of the McAlester-Lehigh coal field, Indian Territory". Nineteenth Annual Report of the United States Geological Survey, Part 3, Economic Geology: 436–437.
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 31 July 2014. Retrieved 8 July 2014.
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