Columbia Mine (Union; Schafer; Schaffer; Schafter; Sheldon), Crystal Falls, Menominee iron range, Iron Co., Michigan, USA
Commodities (Major) - Iron
Deposit Type: Secondary Enrichment
Development Status: Past Producer
Deposit Model: 241: Superior Fe (BC name is Lake Superior & Rapitan types iron-formation)
Host Rock: Iron Formation
Began life in 1882 as the open-pit Union Mine on the Sheldon and Shafer properties, operated by the Union Iron and Steel Co. Some time later the Schafer Iron Co. took over and sunk shafts in and around the pit. The Huron Iron Co. bought and renamed the mine Columbia in 1893. Subsequent owners were Oliver Iron Mining Co. (1901), Corrigan McKinney Steel Co., and Republic Steel. In 1941 an orebody in the southwest corner of the property was worked as an open pit, and later as a separate underground mine known as the West Columbia. The Columbia and West Columbia were eventually connected to each other and to the New Monongahela (ventilation) and to the Tobin (hoisting).
The property description is NW Sec. 31, T43-R32W, which is the 160 acres between N46º4'21", N46º4'47", W88º21'24", and W88º22'1".
Mineral ListMineral list contains entries from the region specified including sub-localities
| 'Mica Group'|
8 entries listed. 5 valid minerals.
Localities in this Region
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