| Bull Fork Formation | |
|---|---|
| Stratigraphic range: Ordovician | |
 Bull Fork Formation exposed in southern Ohio | |
| Type | Formation |
| Underlies | Drakes Formation |
| Overlies | Grant Lake Formation |
| Lithology | |
| Primary | Limestone |
| Other | Shale |
| Location | |
| Region | Ohio and Kentucky |
| Country | United States |
The Bull Fork Formation is a geologic formation in north central Kentucky and southwestern Ohio. It preserves fossils dating back to the Ordovician period.
John H. Peck assigned strata previously called the Arnheim, Waynesville, Liberty, and Whitewater Formations in Kentucky to the Bull Fork Formation.
See also
References
- Geolex for Bull Fork
- G.P. Wahlman (1992). "Middle and Upper Ordovician symmetrical univalved mollusks (Monoplacophora and Bellerophontina) of the Cincinnati Arch region". Geological Survey Professional Paper. doi:10.3133/PP1066O. ISSN 0096-0446. Wikidata Q61047072.
- John H. Peck (1966). "Upper Ordovician formations in the Maysville area, Kentucky" (PDF). U.S. Geological Survey Bulletin. 1244: B21–22. doi:10.3133/B1244B. ISSN 8755-531X. Wikidata Q61460922.
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
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