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 Schist or Yeva Agai Naokwaide Schist (BOTH RESERVED) in accordance with the Department of the Interior's Secretarial Order 3404, discontinuing use of derogatory term squaw.]
[Preoccupied. Name previously applied to Squaw Creek Diatomite Member of Yakima Basalt by Mackin (1947) in WA (see U.S. geologic names lexicon, USGS Bull. 1200, p. 3700-3701).]
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 (Hamilton, 1963).
Named from Squaw Creek [now Yeva Agai Naokwaide], a tributary to Little Salmon River [confluence just south of Hells Canyon National Recreation Area office in NW/4 sec. 22, T. 24 N., R. 1 E., approx. Lat. 45 deg. 24 min. 24 sec. N., Long. 116 deg. 19 min. 48 sec. W., Riggins 7.5-min quadrangle, Idaho Co., western ID] (Hamilton, 1963).
[The geographic feature Squaw Creek, from which the geologic name was taken (Hamilton, 1963), was renamed Yeva Agai Naokwaide (U.S. Board on Geographic Names, September 2022, USGS GNIS FeatureID 391296) in accordance with the Department of the Interior's Secretarial Order 3404.]
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 ([ ]).