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National Geologic Map Database

Geologic Unit: St. George

Usage:

St. George Formation (CA*)


Geologic age:

late Tertiary (Pliocene)*


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

Named from exposures in sea cliff at Point St. George, Del Norte Co., northwestern CA. Crops out for about 1.5 mi south from Point St. George along Pebble Beach and for a short distance to north of Point St. George (Maxson, 1933).


AAPG geologic province:

Klamath Mountains 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 ([ ]).