No current usage?
(†/Apache Limestone (TX-recognized locally in Culberson Co.) considered abandoned? Uncertain if used by the TX Geol. Survey. Abandoned by the USGS.)
[Preoccupied. Name previously applied to Apache Group by Ransome (1903) in AZ.]
Middle Permian (Guadalupian)
Notable exposures in Apache Mountains, southeastern Culberson Co., western TX (Crandall, 1929).
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 ([ ]).