No current usage.
(†Indian Creek Granite (CO) replaced with Silver Plume Granite. See Silver Plume.)
Mesoproterozoic
Not designated. Named from Indian Creek Park, Front Range, CO (Boos and Aberdeen, 1940).
Southern 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 ([ ]).