Usage:
San Joaquin Formation (CA*)
Subunits:
Cascajo Conglomerate Member (CA*).
Geologic age:
Tertiary
Pliocene, early*
Pliocene, late*
Type section, locality, area and/or origin of name:
Type section: lower east side of North Dome, Kettleman Hills, in sec. 23, T. 22 S., R. 18 E., Fresno and Kings Cos., San Joaquin Valley, southern CA (Barbat and Galloway, 1934).
Type locality: North Dome, Kettleman Hills, Fresno and Kings Cos., CA (Barbat and Galloway, 1934).
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 ([ ]).