Montreal, Iron County, Wisconsin
LOCATION: NE Ne Sec. 33 T.46N. R.2E.
ACCESSIBILITY: Some old dumps still accessible, underground workings closed.
GEOLOGY: Mine in the Proterozoic Ironwood Iron Formation. cross-cut by Keweenawan dikes. Permeability barriers imposed by the dikes localized rich zones of supergene mineralization down over 5,000 feet. Large vugs encountered made for colorful associations of may of the following minerals.
Miners undeground in the Montreal Mine, Iron County, WI, circa 1950.
Unknown - pink fibrous minerals, originally called inesite
Unknown - Grey fibrous manganese mineral in vugs with goethite, called "steel woolite"
BIBLIOGRAPHIC REFERENCES: Van Hise and Irving, 1892; Dickey, 1938; Whelan and Goldich, 1961; LaBerge, 1984; Barlow, 1997.
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