Usage:
Deer Mountain Shale Member of Alacran Mountain Formation of Hueco Group (NM)
Deer Mountain Shale Member of Hueco Limestone (TX*)
Geologic age:
Permian, Early
Type section, locality, area and/or origin of name:
Named from exposures on Deer Mountain, 4 mi southeast of Cerro Alto [Mountain], Hudspeth Co., western TX.
AAPG geologic province:
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 ([ ]).