Usage:
Alvord Peak Basalt (CA*)
Geologic age:
late Tertiary (middle Miocene or older)*
Type section, locality, area and/or origin of name:
Type section: exposures in west wall of Spanish Canyon, in sec. 6, T. 11 N., R. 4 E., Alvord Mountain quadrangle, San Bernardino Co., CA. Named from Alvord Peak, Alvord Mountain quadrangle, San Bernardino Co., southern CA (Byers, 1960).
AAPG geologic province:
Mojave 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 ([ ]).