Rock House Canyon Tuff of Datil Group (NM*)
Tertiary*
Oligocene*
Type section: in SW/4 sec. 13, T. 1 N., R. 8 W., Socorro Co., central NM. Named from Rock House Canyon, Socorro Co., central NM (Osburn and Chapin, 1983).
Orogrande basin*
Basin-and-Range province*
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 ([ ]).