Usage:
Canyon Mountain Complex (ID,OR*)
Geologic age:
early to middle Permian (Cisuralian to Guadalupian)*
Type section, locality, area and/or origin of name:
Named from Canyon Mountain which occupies area 12 x 5 mi across John Day quadrangle, Grant Co., northeastern OR (Thayer, 1963).
AAPG geologic province:
Blue 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 ([ ]).