Usage:
Spring Lake Granodiorite (WY*)
Geologic age:
Late Archean*
Type section, locality, area and/or origin of name:
Type area: between South Spring Creek Lake and Jack Creek Mine (abandoned) site, in T. 14 N., R. 86 and 87 W., Carbon Co., WY (Houston and others, 1992).
AAPG geologic province:
Northern Rocky Mountain region*
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 ([ ]).