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Usage:
Winkler Ford Limestone Member of Grape Creek Formation (TX-notably in Concho and Runnels Cos.)
Geologic age:
early Permian (Leonardian)
Type section, locality, area and/or origin of name:
Notable exposures 0.1 mi south of northwest corner Elizabeth Aurand survey No. 1861, on road 1.2 mi southeast of that crossing on Concho River, Concho Co., central TX (Kramer, 1934).
AAPG geologic province:
Permian 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 ([ ]).