Usage:
Las Cruces Formation (NM*,TX*)
Las Cruces Limestone (NM,TX)
Las Cruces Member of Rancheria Formation (NM,TX)
Geologic age:
Mississippian, Late*
Meramecian*
Type section, locality, area and/or origin of name:
Type section: Southwest side of small south fork of shallow canyon that leaves the west slope of Franklin Mountains, directly east of Vinton, TX, SW/4 sec. 67, Blk 82, El Paso Co., TX (Laudon, Bowsher, 1949).
AAPG geologic province:
Orogrande 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 ([ ]).