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National Geologic Map Database

Geologic Unit: Jewett

Usage:

Jewett Sand (CA*)
Also called /Freeman-Jewett Shale in some reports.


Subunits:

Pyramid Hill Member (CA*).


Geologic age:

Tertiary
Miocene, early*


Type section, locality, area and/or origin of name:

Type section (subsurface): 657 ft cored interval, depth-interval 1,218 to 1,875 ft, Shell Oil Jewett No.1 well, southern Round Mountain oil field, in sec. 29, T. 28 S., R. 29 E., Kern Co., CA (Addicott, 1970).


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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).