Usage:
Sespe Formation (CA*)
Geologic age:
Miocene*
Oligocene*
Eocene*
Type section, locality, area and/or origin of name:
Sespe Creek, about 6 mi north of Fillmore, in northwestern part of Camulos quadrangle, Ventura Co., south-central CA (Watts, 1897).
AAPG geologic province:
Santa Maria 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 ([ ]).