Usage:
Walker Formation (CA*)
Geologic age:
Miocene
Oligocene
Eocene
Type section, locality, area and/or origin of name:
Origin of name not stated; no indication of whether or not exposed. Study area in Kern Co., southern CA (Wilhelm and Saunders, 1927).
Type section: along southeast bank of Walker Basin Creek, 1 to 2 mi northeast of Bena, Breckenridge Mountain quadrangle, Kern Co., southern CA (Dibblee and Chesterman, 1953).
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 ([ ]).