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Meramecian and Osagian Series: Warsaw Limestone and Keokuk Limestone

Warsaw Limestone- semigranular limestone interlaminated with saccharoidal dolomite with large amounts of gray chert; glauconite occurrs in the lower part. Keokuk Limestone- white tripolitic, chert, siliceous limestone, and dolomite
State Kansas
Name Meramecian and Osagian Series: Warsaw Limestone and Keokuk Limestone
Geologic age Phanerozoic | Paleozoic | Carboniferous Mississippian [Osagian]
Comments Warsaw Limestone- approximate thickness 250 ft. in outcrop. Keokuk Limestone- chert content is generally greater than 50% by weight and volume, approximate thickness 170 ft. in outcrop.
Primary rock type limestone
Secondary rock type dolostone (dolomite)
Other rock types chert
Lithologic constituents
Major
Sedimentary > Carbonate > Limestone (Bed)
Sedimentary > Carbonate > Dolostone (Bed)
Sedimentary > Chemical > Chert (Bed)
Map references
Ross, J. A., 1991, Geologic Map of Kansas: Kansas Geological Survey, Univ. of Kansas Map M-23 Scale 1:500K.
Unit references
Ross, J. A., 1991, Geologic Map of Kansas: Kansas Geological Survey, Univ. of Kansas Map M-23 Scale 1:500K.
Zeller, D.E., ed., 1968, The Stratigraphic Succession in Kansas, State Geological Survey of Kansas Bull. 189.
Counties Cherokee