Geologic units in Nodaway county, Missouri

Shawnee Group (Late Pennsylvanian-Upper Series-Virgilian Stage) at surface, covers 43 % of this area

Cyclic deposits, limestone and shale with sandstone and siltstone.

Wabaunsee Group (Late Pennsylvanian-Upper Series-Virgilian Stage) at surface, covers 42 % of this area

Cyclic deposits, principally shale, sitlstone, sandstone with thin limestone beds and minor coal.

Douglas Group (Late Pennsylvanian-Upper Series-Virgilian Stage) at surface, covers 9 % of this area

Cyclic deposits, dominantly shale with sandstone, and limestone.

Lansing Group (Late Pennsylvanian-Upper Series-Missourian Stage) at surface, covers 4 % of this area

Cyclic deposits of limestone and shale.

Kansas City Group (Late Pennsylvanian-Upper Series-Missourian Stage) at surface, covers 2 % of this area

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

Wabaunsee Group (Upper Pennsylvanian, middle-upper Virgilian) at surface, covers < 0.1 % of this area

Interval includes Howard, White Cloud, Scranton, Bern, Auburn, Emporia, Willard, Zeandale, Pillsbury, Stotler, Root formations. Primary Lithologies: shale, light to dark gray; mudstone, gray, part laminated silty to sandy. Secondary Lithologies: limestone, fossiliferous, part coated grain/Osagia; pedogenic mudstone, part red to maroon, part calcareous/nodular; siltstone to very fine sandstone. Minor: black shale; coal. Maximum thickness 320 ft (98 m) in Fremont County.

Shawnee Group (Upper Pennsylvanian, lower-middle Virgilian) at surface, covers < 0.1 % of this area

Interval includes Oread, Kanwaka, Lecompton, Tecumseh, Deer Creek, Calhoun, Topeka formations. Primary Lithologies: limestone, fossiliferous, part coated grain/Osagia; shale/mudstone, light to dark gray. Secondary Lithologies: pedogenic mudstone, part calcareous/nodular; siltstone to very fine sandstone; black shale, phosphatic. Minor: chert; coal, coaly shale; red-brown mudstone. Maximum thicknesses 190-220 ft (58-67 m).