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National Geologic Map Database

Geologic Unit: Uvas

Usage:

Uvas Conglomerate Member of Tejon Formation (CA*)


Geologic age:

Tertiary
Eocene, early*
Eocene, middle*


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

Grapevine Canyon, Tehachapi Mountains [Bissel 7.5-min quadrangle], Kern Co., CA (Marks, 1941).
Reference section: west side of Grapevine Creek, 1.75 mi south of Grapevine, in S/2 sec. 29, T. 10 N., R. 19 W., Grapevine 7.5-min quadrangle, Kern Co., CA (Nilsen, 1987).


AAPG geologic province:

Transverse 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 ([ ]).