Carbondale Formation

Carbondale Formation
State Kentucky
Name Carbondale Formation
Geologic age Middle Pennsylvanian
Lithologic constituents
Major
Sedimentary > Clastic > Siltstonelithologies and lithology percentages estimated from stratigraphic column on paper source map; collectively these units are about 30% sandstone, 40% siltstone, 10 % coal, and 20% shale
Minor
Sedimentary > Clastic > Mudstone > Shalelithologies and lithology percentages estimated from stratigraphic column on paper source map; collectively these units are about 30% sandstone, 40% siltstone, 10 % coal, and 20% shale
Sedimentary > Clastic > Sandstonelithologies and lithology percentages estimated from stratigraphic column on paper source map; collectively these units are about 30% sandstone, 40% siltstone, 10 % coal, and 20% shale
Sedimentary > Coallithologies and lithology percentages estimated from stratigraphic column on paper source map; collectively these units are about 30% sandstone, 40% siltstone, 10 % coal, and 20% shale
Comments in western Kentucky, thickness ranges from 90-125 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 Butler - Daviess - Henderson - Hopkins - McLean - Muhlenberg - Ohio - Union - Webster