Menominee Group; unexposed magnetic unit (WIXam;0)

Menominee Group; unexposed magnetic unit

Surrounds gneiss domes in Gogebic County, Mich. and Vilas County, Wisc., and occurs in north-central Dickinson County. Probably correlative with part of Blair Creek Formation (unit Xbc). Previously correlated with uppermost unit of Blair Creek Formation (Sims and others, 1984).

State	Wisconsin
Name	Menominee Group; unexposed magnetic unit
Geologic age	Early Proterozoic
Lithologic constituents	Major Sedimentary > Chemical > Banded-iron-formation (Bed) Minor Metamorphic > Metasedimentary > Metaclastic > Slate
Comments	Continental margin assemblage (north of Niagara Fault). Sims and others, 1984, Geology, geochemistry, and age of Archean and Early Proterozoic rocks in the Marenisco-Watersmeet area, northern Michigan: U.S. Geological Survey Professional Paper 1292-A, p. A1-A41
References	Sims and others, 1984, Geology, geochemistry, and age of Archean and Early Proterozoic rocks in the Marenisco-Watersmeet area, northern Michigan: U.S. Geological Survey Professional Paper 1292-A,. p. A1-A41. https://pubs.er.usgs.gov/publication/pp1292AB Sims, P.K., 1992, Geologic map of Precambrian rocks, southern Lake Superior region, Wisconsin and northern Michigan: U.S. Geological Survey Miscellaneous Investigations Map I-2185, scale 1:500,000. https://pubs.er.usgs.gov/publication/i2185
NGMDB product	NGMDB product page for 10177 NGMDB product page for 49339
Counties	Iron - Vilas

Menominee Group; unexposed magnetic unit

Sims and others, 1984, Geology, geochemistry, and age of Archean and Early Proterozoic rocks in the Marenisco-Watersmeet area, northern Michigan: U.S. Geological Survey Professional Paper 1292-A,. p. A1-A41.

Sims, P.K., 1992, Geologic map of Precambrian rocks, southern Lake Superior region, Wisconsin and northern Michigan: U.S. Geological Survey Miscellaneous Investigations Map I-2185, scale 1:500,000.