Usage:
Virginia Dale Quartz Monzonite of Bullion Mountains Intrusive Suite (CA*)
Geologic age:
Jurassic*
Type section, locality, area and/or origin of name:
Area along west side of Gold Crown Road east of Humbug Mountain, near the Virginia Dale Mine, in sec. 19 (unsurveyed), T. 1 S., R. 12 E., Humbug Mountains 7.5-min quadrangle, San Bernardino Co., CA (Howard, 2002).
Reference localities: Marbolite Mine area, on west side of sec. 24 (unsurveyed), T. 1 S., R. 12 E., Twentynine Palms Mountain 7.5-min quadrangle; and southeastern part of Valley Mountain, in sec. 3, T. 2 N., R. 10 E., Valley Mountain 7.5-min quadrangle (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 ([ ]).