Usage:
Sutter Formation (CA*)
Subunits:
Butte Gravel Member (CA*).
Geologic age:
Tertiary, late*
Type section, locality, area and/or origin of name:
Typical section is along West Butte Pass adjacent to road bridge that lies due south of South Butte of Marysville (Sutter) Buttes, Sutter Co., CA (Williams, 1929).
AAPG geologic province:
Sacramento 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 ([ ]).