Geologic units in Jackson county, Missouri

Kansas City Group (Late Pennsylvanian-Upper Series-Missourian Stage) at surface, covers 64 % of this area

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

Pleasanton Group (Late Pennsylvanian-Upper Series-Missourian Stage) at surface, covers 19 % of this area

Dominantly shale and sandstone with minor coal.

Marmaton Group (Middle Pennsylvanian-Middle Series-Desmonian Stage) at surface, covers 11 % of this area

Cyclic deposits, shale and limestone with sandstone, clay and several coal beds, some workable.

Holocene series (Quaternary-Holocene Series) at surface, covers 6 % of this area

Alluvium - clay, silt, sand, and gravel.

Alluvium (Holocene to Pleistocene) at surface, covers < 0.1 % of this area

unconsolidated sand, silt, clay, and gravel

Kansas City Group (Middle Pennsylvanian- Missourian) at surface, covers < 0.1 % of this area

Includes: Lane Shale,Wyandotte Limestone (base WY), Liberty Memorial Shale, Iola Limestone (base I), Chanute Shale (base CH), Dewey Limestone, Nellie Bly FM, Cherryvale FM, Dennis Limestone (base DN), Galeburg Shale, Mound Valley Limestone, Ladore Shale, Swope Limestone (base SW), Elm Branch Shale, Hertha Limestone.

Loess (Holocene to Pleistocene) at surface, covers < 0.1 % of this area

eolian silts