Bull Fork Formation
The Bull Fork Formation is a geologic formation in north central Kentucky and southwestern Ohio. It preserves fossils dating back to the Ordovician period.[1]
| 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 |
John H. Peck assigned strata previously called the Arnheim, Waynesville, Liberty, and Whitewater Formations in Kentucky to the Bull Fork Formation.[2][3]
References
- Geolex for Bull Fork
- G.P. Wahlman (1992), "Middle and Upper Ordovician symmetrical univalved mollusks (Monoplacophora and Bellerophontina) of the Cincinnati Arch region", Professional Paper, doi:10.3133/PP1066O, 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, Wikidata Q61460922
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 31 July 2014. Retrieved 22 June 2014.
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