Usage:
/Squaw Creek Schist of Riggins Group (ID*)
[NOTE: The Squaw Creek Schist of the Riggins Group is in the process of being formally renamed either Yeva Agai Naokwaide Schist or the shortened name Yeva Agai Schist (BOTH 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.]
[Preoccupied. Name previously applied to Squaw Creek Diatomite Member of Yakima Basalt of Mackin (1947) in WA.]
Geologic age:
late Paleozoic to middle Mesozoic (Permian to Jurassic)*
Type section, locality, area and/or origin of name:
Type section: along Little Salmon River from Riggins to Captain John Creek, [in secs. 15, 21, 22, 27, and 28, T. 24 N., R. 1 E., Riggins 7.5-min quadrangle, Idaho Co., western ID. Named from tributary to Little Salmon Creek [confluence just south of Hells Canyon National Recreation Area office in NW/4 sec. 22, approx. Lat. 45 deg. 24 min. 24 sec. N.; Long. 116 deg. 19 min. 48 sec. W.] (Hamilton, 1963).
AAPG geologic province:
Idaho Mountains province*
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 ([ ]).