Caseyville Formation

Caseyville Formation
State Kentucky
Name Caseyville Formation
Geologic age Lower to Middle Pennsylvanian
Lithologic constituents
Major
Sedimentary > Clastic > Sandstonelithologies and lithology percentages estimated from stratigraphic column on paper source map; collectively these units are about 40% siltstone, 40% sandstone, 10% conglomerate, 5% shale, and <5% coal.
Minor
Sedimentary > Clastic > Siltstonelithologies and lithology percentages estimated from stratigraphic column on paper source map; collectively these units are about 40% siltstone, 40% sandstone, 10% conglomerate, 5% shale, and <5% coal.
Sedimentary > Clastic > Conglomeratelithologies and lithology percentages estimated from stratigraphic column on paper source map; collectively these units are about 40% siltstone, 40% sandstone, 10% conglomerate, 5% shale, and <5% coal.
Incidental
Sedimentary > Clastic > Mudstone > Shalelithologies and lithology percentages estimated from stratigraphic column on paper source map; collectively these units are about 40% siltstone, 40% sandstone, 10% conglomerate, 5% shale, and <5% coal.
Sedimentary > Coallithologies and lithology percentages estimated from stratigraphic column on paper source map; collectively these units are about 40% siltstone, 40% sandstone, 10% conglomerate, 5% shale, and <5% coal.
Comments in western Kentucky, thickness is at least 150+ 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 Breckinridge - Butler - Caldwell - Christian - Crittenden - Daviess - Edmonson - Grayson - Hancock - Hart - Hopkins - Livingston - Logan - McLean - Muhlenberg - Ohio - Taylor - Todd - Union - Warren - Webster