Meramecian and Osagian Series: Warsaw Limestone and Keokuk Limestone (KSM;0)

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]
Original map label	M
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 > Chemical > Chert (Bed) Sedimentary > Carbonate > Dolostone (Bed) Sedimentary > Carbonate > Limestone (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.
Geographic coverage	Cherokee