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National Geologic Map Database

Geologic Unit: Colpitts

Usage:

No current usage.
(†Colpitts Group (OR) discarded. See Warm Springs Member and Weberg Member, both of Snowshoe Formation.)


Geologic age:

Jurassic, Middle


Type section, locality, area and/or origin of name:

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).


AAPG geologic province:

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 ([ ]).