Usage:
French Valley Formation (CA)
Geologic age:
Jurassic, Late(?)
Triassic(?)
Type section, locality, area and/or origin of name:
East side of French Valley, Winchester area (Lat. 33 deg. 37 min. 36 sec. N., Long. 117 deg. 00 min. 00 sec. W.), Riverside Co., CA (Schwarcz, 1969).
AAPG geologic province:
Peninsular Ranges province
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 ([ ]).