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]

See also

• Paleontology portal

• List of fossiliferous stratigraphic units in Ohio

References

1. Geolex for Bull Fork
2. 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.
3. 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.