Usage:
Santiago Peak Volcanics (CA*)
Geologic age:
Early Cretaceous*
Type section, locality, area and/or origin of name:
Santiago Peak in Santa Ana Mountains, Corona 30- x 60-min quadrangle [Lat. 33 deg. 42 min. 30 sec. N., Long. 117 deg. 32 min. 10 sec. W.], Orange Co., CA (Larsen, 1948).
AAPG geologic province:
Peninsular Ranges 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 ([ ]).