Socorro Peak Rhyolite of Santa Fe Group (NM)
late Tertiary (Miocene)
Type area: approx. 3 mi west and southwest of Socorro, in secs. 5, 8, 16, 17, 21, and 28, T. 3 S., R. 1 W., Socorro Co., central NM (Osburn and Chapin, 1983).
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 ([ ]).