Usage:
Bruneau Formation of Idaho Group (ID*)
Geologic age:
Quaternary (Pleistocene; latest Blancan to Irvingtonian NALMA)*
Type section, locality, area and/or origin of name:
Typical exposures begin east of mouth of Bruneau River about 9 mi northwest of Bruneau and extend southeastward to pediment gravel 6 mi southeast of Bruneau. Named from exposures near town of Bruneau, Owyhee Co., southwestern ID. Named from town of Bruneau (Malde and Powers, 1962).
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 ([ ]).