Usage:
Aspen Range Formation (ID*-recognized locally in type area)
Geologic age:
Mississippian*
Type section, locality, area and/or origin of name:
Type section: outcrops at North Georgetown Canyon on spur extending across S/2 NE/4 sec. 16, T. 10 N., R. 44 E., Harrington Peak 7.5-min quadrangle, Bear Lake Co., ID. Named from Aspen Range, southeast ID (Sando and others, 1981).
AAPG geologic province:
Wasatch uplift*
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 ([ ]).