| Dewey Formation | |
|---|---|
| Stratigraphic range: Carboniferous | |
| Type | Formation |
| Lithology | |
| Primary | Limestone |
| Location | |
| Region | Iowa, Oklahoma |
| Country | United States |
| Type section | |
| Named for | Dewey, Washington County, Oklahoma |
| Named by | D. W. Ohern, 1910 |
The Dewey Formation is a geologic formation in Iowa and Oklahoma. It preserves fossils dating back to the Carboniferous period.
See also
References
- Ohern, D. W. (1 December 1910). "The stratigraphy of the older Pennsylvanian rocks of northeastern Oklahoma". The State University of Oklahoma Research Bulletin. 4: 30–37. Retrieved 2 August 2018.
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
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