Mine detail: Borland Reserve

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Location: Iron County, Michigan, United States, North America
Lat / long: 46.07083, -88.61144
dep_id: 10096527
mrds_id: W028955
Commodity type: metallic
Major mineral: Iron
Operation type: Underground
Deposit type: Secondary Enrichment
Development status: Prospect
ore: Hematite, Goethite
gangue: Chert, Pyrite, Siderite, Stilpnomelane, Chlorite, Mica
alteration: Chert and siderite to hematite and goethite in oxidation zones.
ore_ctrl: Stratigraphically controlled
Reporter: Yeager, Keith (Cannon, W.), Sutphin, D.M., Mason Jr., G.T.
hrock_type: Iron Formation
References:
  • Deposit:: JAMES, H.L., DUTTON, C.E., PETTIJOHN, F.J., WIER, K.L., 1968, GEOLOGY AND ORE DEPOSITS OF THE IRON RIVER, CRYSTAL FALLS DISTRICT, IRON COUNTY, MICHIGAN. WASHINGTON, U.S. GOVT. PRINTING OFFICE, 1968. P. 45-56, 88-110.
  • Deposit:: LAKE SUPERIOR IRON ORE ASSOCIATION, 1952, LAKE SUPERIOR IRON ORES (2ND ED.): CLEVELAND, OHIO. P. 108.
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