Kansas City Group
(Late Pennsylvanian-Upper Series-Missourian Stage) at surface, covers 74 % of this area Cyclic deposits, limestone and shale with minor sandstone and 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.
Pleasanton Group
(Late Pennsylvanian-Upper Series-Missourian Stage) at surface, covers 10 % of this area Dominantly shale and sandstone with minor coal.
Lansing Group
(Late Pennsylvanian-Upper Series-Missourian Stage) at surface, covers 5 % of this area Cyclic deposits of limestone and shale.
Cherokee Group - Cabaniss Subgroup, Krebs Subgroup
(Middle Pennsylvanian-Middle Series-Desmonian Stage) at surface, covers 0.3 % of this area Cabaniss Subgroup - cyclic deposits, shale, sandstone, clay and several workable coal beds. Krebs Subgroup - cyclic deposits, sandstone, siltstone, shale, clay and some workable coal beds.
