Usage:
Bullion Mountains Intrusive Suite (CA*)
Subunits:
Virginia Dale Quartz Monzonite.
Geologic age:
Jurassic*
Type section, locality, area and/or origin of name:
Type locality: southeast part of Valley Mountain, 10 km south of the Bullion Mountains, in sec. 3, T. 2 N., R. 10 E., Valley Mountain 7.5-min quadrangle, San Bernardino Co., CA (Howard, 2002).
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 ([ ]).