Bull Fork Formation
Appearance
Bull Fork Formation | |
---|---|
Stratigraphic range: Ordovician | |
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.[1]
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
[edit]References
[edit]- ^ 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.