Bull Fork Formation

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Bull Fork Formation
Stratigraphic range: Ordovician
Bull Fork Formation Caesar Creek Ohio.JPG
Bull Fork Formation exposed in southern Ohio
TypeFormation
UnderliesDrakes Formation
OverliesGrant Lake Formation
Lithology
PrimaryLimestone
OtherShale
Location
RegionOhio and Kentucky
CountryUnited 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[]

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.


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