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Guadalupia Series: Big Basin Formation, Day Creek Dolomite, and Whitehorse Formation

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Big Basin FM- red silty shale, siltstone, dolomitic siltstone and fine-grained feldspathic sandstone. Day Creek Dolomite- light gray to pink, dense, fine-grained dolomite. Whitehorse FM- mostly red beds of feldspathic sandstone with some beds of siltstone and shale and minor dolomite.
State Kansas
Name Guadalupia Series: Big Basin Formation, Day Creek Dolomite, and Whitehorse Formation
Geologic age Late Permian- Custerian to Cimarronian
Lithologic constituents
Major
Sedimentary > Clastic > Sandstone (Bed)
Minor
Sedimentary > Clastic > Mudstone > Shale (Bed)
Sedimentary > Clastic > Siltstone (Bed)
Incidental
Sedimentary > Carbonate > Dolostone (Bed)
Comments Big Basin FM- approximate thickness 45 ft. in outcrop. Day Creek Dolomite- approximate thickness 3 ft. in outcrop. Whitehorse FM- approximate thickness 270 ft. in outcrop.
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 Clark - Comanche - Meade