Usage:
Menominee Group of Marquette Range Supergroup (recognized locally in MI*,MN,WI*)
Notable exposures in Menominee Range, Marquette Range, Gogebic iron range, Northern Peninsula.
Subunits:
(alphabetical): Ajibik Quartzite (MI*), Amasa Formation (MI*), Emperor Volcanic Complex (MI*), Felch Formation (MI*), Fence River Formation (MI*), Hemlock Formtion (MI*,WI*), Ironwood Iron-Formation (MI*,WI*), Negaunee Iron-Formation (MI*), Palms Formation (MI*,WI*) or Palms Quartzite (MI,WI), Siamo Slate (MI*), Vulcan Iron-Formation (MI*).
Geologic age:
Paleoproterozoic*
Type section, locality, area and/or origin of name:
Named from Menominee district, southern Dickinson Co., Northern Peninsula, northwestern MI (Bayley, 1904).
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 ([ ]).