No current usage?
(†/Martinez Marine Member of Martinez Group [Martinez Formation] (CA) considered abandoned? Uncertain if used by the CA Geol. Survey. Not used by the USGS.)
Tertiary
Paleocene, late
Not synopsized to date. Occurs south of Simi Valley, Ventura Co., CA (Nelson, 1925).
Transverse 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 ([ ]).