Usage:
Red River Granite (WI*)
[†?] Red River Quartz Monzonite (WI)
(Uncertain if Red River Quartz Monzonite is an accepted usage of the WI Geol. Survey.)
Geologic age:
Mesoproterozoic*
Type section, locality, area and/or origin of name:
Not designated (Van Schmus and others, 1975).
Type area: exposures along Red River, in vicinity of town of Red River, Shawano Co., WI (Sims, 1990).
AAPG geologic province:
Lake Superior 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 ([ ]).