Sumner Group

Ninnescah Shale (base N)- mostly red silty shale with some gray shale , argillaceous limestone and dolomite. Wellington FM with Carlton Limestone Member (base CR)-mostly gray and some red shale with minor limestone and dolomite, siltstone, gypsum and anhydrite
State Kansas
Name Sumner Group
Geologic age Late Permian - Cimarronian
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Shale (Bed)
Minor
Sedimentary > Chemical > Evaporite > Gypsum (Bed)
Sedimentary > Chemical > Evaporite > Anhydrite (Bed)
Sedimentary > Carbonate > Limestone (Bed)
Sedimentary > Clastic > Siltstone (Bed)
Sedimentary > Carbonate > Dolostone (Bed)
Incidental
Sedimentary > Chemical > Evaporite > Salt (Bed)
Comments Ninnescah Shale- approximate thickness 450 ft. in outcrop. Wellington FM- approximate thickness 700 ft. in outcrop. Thick beds of salt occur in the subsurface of both divisions.
References

Ross, Jorgina A., 1991, Geologic Map of Kansas: Kansas Geological Survey, Univ. of Kansas, Map M-23, scale 1:500,000.

Zeller, D.E., ed., 1968, The Stratigraphic Succession in Kansas, State Geological Survey of Kansas Bull. 189.

NGMDB product
Counties Butler - Chase - Clay - Cowley - Dickinson - Geary - Harper - Harvey - Kingman - McPherson - Marion - Marshall - Morris - Ottawa - Reno - Riley - Saline - Sedgwick - Sumner - Washington