Bull Fork Formation

Bull Fork Formation
State Kentucky
Name Bull Fork Formation
Geologic age Ordovician
Lithologic constituents
Major
Sedimentary > Carbonate > Limestonelithologies and lithology percentages estimated from stratigraphic column on paper source map; collectively these units are about 95% limestone and 5% interbedded shale
Incidental
Sedimentary > Clastic > Mudstone > Shalelithologies and lithology percentages estimated from stratigraphic column on paper source map; collectively these units are about 95% limestone and 5% interbedded shale
Comments in west-central Kentucky, thickness ranges from 0-60 m; in north-central Kentucky, thickness is at least 60+ m; in northeastern Kentucky, thickness ranges from 3-65 m
References

Noger, M.C., compiler, 1988, Geologic map of Kentucky: sesquicenntennial edition of the Kentucky Geological Survey: U.S. Geological Survey and the Kentucky Geological Survey, scale 1:500,000.

NGMDB product
Counties Bath - Boone - Campbell - Carroll - Fleming - Gallatin - Grant - Henry - Kenton - Lewis - Mason - Oldham - Shelby - Trimble