Usage:
No current usage.
(†Quincy Diatomite Bed (WA) considered same as Squaw Creek Member of Ellensburg Formation. See Squaw Creek.)
[NOTE: The Squaw Creek Member of the Ellensburg Formation is in the process of being formally renamed Lmuna Creek Member (RESERVED), in accordance with the Department of the Interior's Secretarial Order 3404, issued on November 19, 2021, that identifies the term “squaw” as derogatory.]
Geologic age:
late Tertiary (late Miocene)
Type section, locality, area and/or origin of name:
Type area: area of many quarry exposures in southwestern part of Quincy basin near head of Frenchman Springs Coulee [Frenchman Coulee], in S/2 sec. 16, SE/4 sec. 17, NE/4 sec. 20, and N/2 sec. 21, T. 18 N., R. 23 E., [Evergreen Ridge 7.5-min quadrangle, Grant Co., south-central WA] (Bingham and Grolier, 1966).
AAPG geologic 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 ([ ]).