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National Geologic Map Database

Geologic Unit: Delmar

Usage:

Delmar Formation of La Jolla Group (CA*)


Geologic age:

Eocene, middle*


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

Named from excellent exposures in sea cliff at town of Delmar, San Diego Co., southern CA (Hanna, 1926).
Type section: short canyon 2 km south of Del Mar Railway Station, Del Mar 7.5-min quadrangle, San Diego Co., CA (Kennedy and Moore, 1971).


AAPG geologic province:

Capistrano 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 ([ ]).