Geologic units in Barry county, Missouri

Osagean Series (Early Mississippian-Osagean Series) at surface, covers 69 % of this area

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

Smithville Dolomite, Powell Dolomite, Cotter Dolomite, Jefferson City Dolomite (Early Ordovician-Ibexian Series) at surface, covers 23 % of this area

Fine crystalline, silty, cherty dolomite, and oolitic chert with local sandstone beds.

Kinderhookian Series (Early Mississippian-Kinderhookian Series) at surface, covers 5 % of this area

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

Chesterian Series (Late Mississippian-Chesterian Series) at surface, covers 2 % of this area

Fayetteville Formation, Batesville Formation, Hindville Limestone, Vienna Limestone, Tar Springs Sandstone, Glen Dean Formation, Hardinsburg Formation, Golconda Formation, Cypress Formation, Paint Creek Formation, Yankeetown Sandstone, Renault Formation, Aux Vases Sandstone, Ste. Genevieve Limestone.

Channel Sandstones (Pennsylvanian) at surface, covers 1 % of this area

Channel Sandstones

Cotter and Jefferson City Dolomites (Early Ordovician) at surface, covers 0.2 % of this area

Cotter and Jefferson City Dolomites

Boone Formation (Early Mississippian- Meramecian to Osagean) at surface, covers < 0.1 % of this area

Boone Formation

Chattanooga Shale (Lower Mississippian and Upper Devonian), Clifty Limestone (Middle Devonian), and Penters Chert (Lower Devonian) (Early Mississippian to Early Devonian) at surface, covers < 0.1 % of this area

Chattanooga Shale (Lower Mississippian and Upper Devonian), Clifty Limestone (Middle Devonian), and Penters Chert (Lower Devonian)

Pitkin Limestone, Fayetteville Shale (including the Wedington Sandstone member), and Batesville Sandstone (including the Hindsville Limestone Member) (Late Mississippian- Chesterian) at surface, covers < 0.1 % of this area

Pitkin Limestone, Fayetteville Shale (including the Wedington Sandstone member), and Batesville Sandstone (including the Hindsville Limestone Member)