Usage:
San Pedro Sand (CA*)
San Pedro Formation (CA*)
Subunits:
(alphabetical) --all in CA: /Anchor Silt Member, Epworth Gravel Member, Fox Canyon Member, Lomita Marl Member, Timms Point Silt Member*.
Geologic age:
Pliocene and Pleistocene*
Type section, locality, area and/or origin of name:
Best exhibited at Harbor Hill, at head of San Pedro Harbor, Los Angeles Co., southern CA (Dall, 1898).
Type region: localities along San Pedro waterfront, Los Angeles Co., southern CA (Woodring and others, 1946).
AAPG geologic province:
Los Angeles basin*
Ventura 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 ([ ]).