Usage:
Inyo Creek Formation of Lemhi Group (ID*)
Geologic age:
Mesoproterozoic*
Type section, locality, area and/or origin of name:
Type area: head of Inyo Creek, in T. 14 N., R. 24 E., Patterson quadrangle, Lemhi Range, Lemhi Co., ID. Named from Inyo Creek (Ruppel, 1975).
AAPG geologic province:
Northern Rocky Mountain region*
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 ([ ]).