State | Wisconsin |
---|---|
Name | Baraga Group; Michigamme Formation; Banded cherty and slaty iron-formation |
Geologic age | Early Proterozoic |
Lithologic constituents | Major
Sedimentary > Chemical > Banded-iron-formation (Bed)banded cherty and slaty iron-formation
|
Comments | Continental margin assemblage (north of Niagara Fault) |
References | |
NGMDB product | |
Counties | Vilas |