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 (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 published by U.S. Geological Survey authors.
"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 conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).