Usage:
Belridge Diatomite Member of Monterey Shale (CA*)
Geologic age:
Miocene, late*
Type section, locality, area and/or origin of name:
Type section: near mouth of Chico Martinez Creek, in SE/4 sec. 2, T. 29 S., R. 20 E., Temblor Range, eastern edge of San Joaquin Valley, [Carneros Rocks 7.5-min quadrangle, Kern Co.], CA. Named from South Belridge oil field (Dibblee, 1973).
AAPG geologic province:
San Joaquin 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 ([ ]).