Usage:
No current usage.
(Rocks of †Oso Canyon Formation (CA) reallocated to Santa Margarita Formation. See Santa Margarita.)
Geologic age:
Tertiary
Miocene, late
Type section, locality, area and/or origin of name:
Type section: from contact with Quail Formation 2/3 mi north of west end of Quail Lake, along line N. 20 deg. E. for 2 mi across Oso Canyon to contact with overlying Meeke Mine Formation [La Liebre Ranch and Lebec 7.5-min quadrangles, Los Angeles Co., CA]. Named from Oso Canyon (Dibblee, 1967).
AAPG geologic province:
Mojave 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 ([ ]).