Geologic units in Saline county, Missouri

Osagean Series (Early Mississippian-Osagean Series) at surface, covers 37 % of this area

Keokuk Limestone, Burlington Limestone, Elsey Formation, Reeds Spring Formation, Pierson Limestone, Fern Glen Formation.

Riverton Formation, Burgner Formation (Middle Pennsylvanian-Atokan Stage) at surface, covers 26 % of this area

Shale, clay, coal. Burgner Formation - limestone.

Cherokee Group - Cabaniss Subgroup, Krebs Subgroup (Middle Pennsylvanian-Middle Series-Desmonian Stage) at surface, covers 16 % 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.

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

Alluvium - clay, silt, sand, and gravel.

Marmaton Group (Middle Pennsylvanian-Middle Series-Desmonian Stage) at surface, covers 4 % of this area

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

Kinderhookian Series (Early Mississippian-Kinderhookian Series) at surface, covers 3 % of this area

Northview Shale, Sedalia Formation, Compton Limestone, Bachelor Formation Chouteau Group, Hannibal Shale, Horton Creek Limestone.

Devonian System (Late to Early Devonian) at surface, covers 0.2 % of this area

Chattanooga Shale, Sylamore Sandstone, Fortune Formation, Holts Summit Sandstone, Snyder Creek Shale, Cedar Valley Limestone, Louisiana Limestone, Saverton Shale, Grassy Creek Shale, Turpin Sandstone, Bushberg Sandstone, Glen Park Limestone, St. Larent Limestone, Beauvais Sandstone, Grand Tower Limestone, Clear Creek Chert, Little Saline Limestone, Grassy Knob Chert, Bailey Formation.

Undifferentiated (Ordovician rocks) (Ordovician) at surface, covers < 0.1 % of this area

Undifferentiated (Ordovician rocks)