No current usage.
(†Salinas Shale (CA) is synonym of Monterey Shale. See Monterey.)
Miocene, middle
Not stated. Well developed on west side of Salinas Valley, San Luis Obispo and Monterey Cos., CA (English, 1918).
California Coast 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 ([ ]).