Usage:
Bedrock Spring Formation (CA*)
Geologic age:
Miocene*
Type section, locality, area and/or origin of name:
Type section: in Lava Mountains [in SE/4 NW/4 sec. 5 T. 29 S., R. 42 E., Cuddleback Lake 15-min quadrangle and Klinker Mountain 7.5-min quadrangle, San Bernardino Co., CA]. Named from Bedrock Spring, 2 mi north of Dome Mountain and about 1 mi east of type section (Smith, 1964).
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 ([ ]).