Geologic units in Buchanan county, Missouri

Lansing Group (Late Pennsylvanian-Upper Series-Missourian Stage) at surface, covers 41 % of this area

Cyclic deposits of limestone and shale.

Shawnee Group (Late Pennsylvanian-Upper Series-Virgilian Stage) at surface, covers 31 % of this area

Cyclic deposits, limestone and shale with sandstone and siltstone.

Holocene series (Quaternary-Holocene Series) at surface, covers 14 % of this area

Alluvium - clay, silt, sand, and gravel.

Douglas Group (Late Pennsylvanian-Upper Series-Virgilian Stage) at surface, covers 10 % of this area

Cyclic deposits, dominantly shale with sandstone, and limestone.

Kansas City Group (Late Pennsylvanian-Upper Series-Missourian Stage) at surface, covers 3 % of this area

Cyclic deposits, limestone and shale with minor sandstone and coal.

Alluvium (Holocene to Pleistocene) at surface, covers 0.5 % of this area

unconsolidated sand, silt, clay, and gravel

Douglas Group (Late Pennsylvanian- Virgilian) at surface, covers < 0.1 % of this area

Lawrence FM (base LA)- mostly gray shale and sandstone with minor red shale, coal, gray limestone and conglomerate, thickness ranges from 140ft to 250 ft. Stranger FM- five members containing sandstone, shale, and minor limestone, coal and conglomerate ranging from 100 ft. to 180 ft. thickness.