Usage:
Corcoran Clay Member of Tulare Formation (CA*)
Corcoran Clay Member of Turlock Lake Formation (CA*-recognized locally in subsurface of San Joaquin Valley)
Geologic age:
Quaternary
Pleistocene*
Type section, locality, area and/or origin of name:
Type section (subsurface): depth-interval 200 to 800 ft, in [W/2] sec. 15, T. 15 S., R. 14 E., Mount Diablo Meridian, San Joaquin Valley, CA. Named from town of Corcoran, Kings Co., CA (Frink and Kues, 1954).
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 ([ ]).