Usage:
No current usage.
(†Apache Formation (CA) replaced with Quatal Formation. See Quatal.)
Geologic age:
late Tertiary (Pliocene)
Type section, locality, area and/or origin of name:
Notable exposures in Apache Canyon, in sec. 2, T. 8 N., R. 28 W., Mount Pinos quadrangle, Ventura Co., southern CA (Dibblee, IN Stock, 1947).
AAPG geologic province:
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 ([ ]).