Usage:
Guye Sedimentary Member of Naches Formation (WA*-local)
Geologic age:
late and middle Eocene*
Type section, locality, area and/or origin of name:
Well exposed on Guye Creek. Known only in northwest quarter of Snoqualmie quadrangle, [King and Kittitas Cos.], central WA (Smith and Calkin, 1906).
Type area (Guye restricted): along Coal Creek and its tributaries, on east side of Snoqualmie Pass. Area almost parallels strike; hence, stratigraphic exposure is limited to northwest and south of Snoqualmie Pass [King and Kittitas Cos.] (Foster, 1960).
AAPG geologic province:
Puget Sound province*
Eastern 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 ([ ]).