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National Geologic Map Database

Geologic Unit: Winfield

Usage:

Winfield Limestone of Chase Group (KS*,NE*,OK*)
Winfield Limestone of Oscar Group (OK?)
[?] Winfield Formation (IA?)


Subunits:

(alphabetical): Cresswell Member (IA?,KS*,NE*), Grant Shale Member (KS*,NE*), Stovall Member (KS*,NE*).


Geologic age:

Early Permian (Cisuralian; Wolfcampian)*


Type section, locality, area and/or origin of name:

Named from exposures around Winfield, Cowley Co., eastern KS (Prosser, 1897).
The exposures [Prosser's Marion concretionary limestone] near Marion, Marion Co., eastern KS, should be regarded as typical for the formation (Jewett, 1941).


AAPG geologic province:

Nemaha anticline*
Sedgwick basin*


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates usage by the U.S. Geological Survey. Other usages by state geological surveys.

"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).

Slash (/) indicates name does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).