No current usage.
(†Frijole Limestone Member of Delaware Mountain Formation (NM,TX) replaced with Lamar Limestone Member of Delaware Mountain Formation. See Lamar.)
Permian
Not designated. Named from exposures at Frijole Post Office, Culberson Co., TX (Blanchard and Davis, 1929). .
Orogrande basin
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 ([ ]).