Usage:
Jim Sage Volcanic Member of Salt Lake Formation (ID*)
Geologic age:
Miocene*
Type section, locality, area and/or origin of name:
From Lat. 42 deg. 05 min. to 42 deg. 08 min., Long. 113 deg. 28 min. to 113 deg. 32 min., Raft River basin, Cassia Co., ID. Named from Jim Sage Mountains (Williams and others, 1982).
AAPG geologic province:
Great Basin 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 ([ ]).