No current usage.
(†Colpitts Group (OR) discarded. See Warm Springs Member and Weberg Member, both of Snowshoe Formation.)
Jurassic, Middle
Type area: on east side of Warm Springs Creek Valley, in secs. 19, 20, 29, and 30, T. 18 S., R. 26 E., Crook Co., east-central OR. Named from Willard Colpitts Ranch on upper Warm Springs Creek (Lupher, 1941).
Snake River 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 ([ ]).