Usage:
Paint River Group of Marquette Range Supergroup (recognized locally in MI*,WI*)
Notable exposures in Iron River-Crystal Falls district, Northern Peninsula.
Subunits:
(alphabetical): Dunn Creek Slate (MI*,WI*), Fortune Lakes Slate (MI*,WI), Hiawatha Graywacke (MI*,WI), Riverton Iron-Formation (MI*,WI*), Stambaugh Formation (MI*,WI).
Geologic age:
Paleoproterozoic*
Type section, locality, area and/or origin of name:
Not designated. Named from Paint River, which drains the northern and eastern part of Iron River-Crystal Falls district, Iron and Dickinson Cos., Northern Peninsula, northwestern MI (James, 1958).
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 ([ ]).