Usage:
Badwater Greenstone of Baraga Group of Marquette Range Supergroup (recognized locally in MI*,WI*)
Notable exposures in Menominee Range and Iron River-Crystal Falls district, Northern Peninsula.
Geologic age:
Paleoproterozoic*
Type section, locality, area and/or origin of name:
Named from extensive exposures in secs. 1, 2, and 11, T. 40 N., R. 31 W., in vicinity of Badwater Lake, southern Dickinson Co., Northern Peninsula, northern MI (James, 1958).
AAPG geologic province:
Lake Superior region*
Wisconsin arch*
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 ([ ]).