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National Geologic Map Database

Geologic Unit: Round Mountain

Usage:

Round Mountain Silt (CA*)


Geologic age:

Tertiary
Miocene, middle*


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

Type section (subsurface): 213 ft cored interval, depth-interval 1,229 to 1,442 ft, Ohio Oil Glide No.1 well, in sec. 13, T. 27 S., R. 27 E., Kern Co., CA (Keen, 1943; 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 ([ ]).