Bull Fork Formation and Grant Lake and Calloway Creek Limestones, undivided

Bull Fork Formation and Grant Lake and Calloway Creek Limestones, undivided; Along Ohio River in Oldham and Trimble Counties
State Kentucky
Name Bull Fork Formation and Grant Lake and Calloway Creek Limestones, undivided
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 (some of it nodular) and 5% interbedded shale
Incidental
Sedimentary > Clastic > Mudstone > Shale (Calcareous)lithologies and lithology percentages estimated from stratigraphic column on paper source map; collectively these units are about 95% limestone (some of it nodular) and 5% interbedded shale
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 Oldham - Trimble