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Geologic units in Ozark 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 84 % of this area

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

Roubidoux Formation (Early Ordovician-Ibexian Series) at surface, covers 15 % of this area

Sandstone, chert and interbedded dolomite

Gasconade Dolomite (Early Ordovician-Ibexian Series) at surface, covers 0.6 % of this area

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

Cotter and Jefferson City Dolomites (Early Ordovician) at surface, covers 0.5 % of this area

Cotter and Jefferson City Dolomites

Kinderhookian Series (Early Mississippian-Kinderhookian Series) at surface, covers 0.2 % of this area

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

Osagean Series (Early Mississippian-Osagean Series) at surface, covers 0.1 % of this area

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