Monongahela and Conemaugh Formations, undivided

Monongahela and Conemaugh Formations, undivided
State Kentucky
Name Monongahela and Conemaugh Formations, undivided
Geologic age Pennsylvanian
Lithologic constituents
Major
Sedimentary > Clastic > Siltstonelithologies and lithology percentages estimated from stratigraphic column on paper source map; collectively these units are about 40% siltstone, 35% sandstone, 25% shale and incidental coal.
Sedimentary > Clastic > Sandstonelithologies and lithology percentages estimated from stratigraphic column on paper source map; collectively these units are about 40% siltstone, 35% sandstone, 25% shale and incidental coal.
Minor
Sedimentary > Clastic > Mudstone > Shalelithologies and lithology percentages estimated from stratigraphic column on paper source map; collectively these units are about 40% siltstone, 35% sandstone, 25% shale and incidental coal.
Incidental
Sedimentary > Coallithologies and lithology percentages estimated from stratigraphic column on paper source map; collectively these units are about 40% siltstone, 35% sandstone, 25% shale and incidental coal.
Comments in northeastern Kentucky, Monongahela is at least 40+ m thick, and the Conemaugh is 130-140 m thick
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 Boyd - Carter - Elliott - Greenup - Lawrence