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Geologic units in Hickory county, Missouri

Additional scientific data in this geographic area

Smithville Dolomite, Powell Dolomite, Cotter Dolomite, Jefferson City Dolomite (Early Ordovician-Ibexian Series) at surface, covers 48 % of this area

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

Osagean Series (Early Mississippian-Osagean Series) at surface, covers 26 % 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 8 % of this area

Shale, clay, coal. Burgner Formation - limestone.

Roubidoux Formation (Early Ordovician-Ibexian Series) at surface, covers 7 % of this area

Sandstone, chert and interbedded dolomite

Kinderhookian Series (Early Mississippian-Kinderhookian Series) at surface, covers 7 % of this area

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

Gasconade Dolomite (Early Ordovician-Ibexian Series) at surface, covers 3 % of this area

Coarse - crystalline cherty dolomite with a basal Gunter Sandstone Member.