Usage:
Animikie Group (MN*-local)
(†Animikie series [informal] of James (1958) (recognized locally in MI*,WI*) replaced with Marquette Range Supergroup. See Marquette Range.)
Subunits:
(alphabetical) --all in MN: Biwabik Iron-Formation*, Gunflint Iron-Formation*, Kakabeka Formation, Mahnomen Formation, Pokegama Quartzite*, Rabbit Lake Formation, Rove Formation*, Thomson Formation*, Trommald Formation, Virginia Formation*.
Geologic age:
Paleoproterozoic*
Type section, locality, area and/or origin of name: (See Canadian Lexicon)
Named from occurrence along Thunder Bay, north shore of Lake Superior, Ontario, Canada. Animikie is Indian name for Thunder Bay (Hunt, 1873).
AAPG geologic province:
Lake Superior region*
Sioux uplift*
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 ([ ]).