No current usage.
(†Rosalie Granite (CO) is same as Pikes Peak Granite. See Pikes Peak.)
Mesoproterozoic
Southeast corner of Georgetown quadrangle on Deer and Elk Creeks, Clear Creek Co., CO (Ball, 1906).
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 ([ ]).