Usage:
Fisher Formation (OR*)
Geologic age:
early Tertiary (late Eocene and Oligocene)*
Type section, locality, area and/or origin of name:
Typically exposed in vicinity of Coyote Creek, in sec. 12, T. 18 S., R. 5 W., about 8 mi west of Eugene, and near Fisher Butte, 0.25 mi west of Oak Hill, Lane Co., northwestern OR (Schenck, 1927).
AAPG geologic province:
Western Columbia 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 ([ ]).