Location: | Iron County, Michigan, United States, North America |
Lat / long: | 46.22056, -88.43227 |
dep_id: | 10082704 |
mrds_id: | W062054 |
Commodity type: | metallic |
Major mineral: | Iron |
Operation type: | Underground |
Deposit type: | Banded Iron-Rich Sedimentary Deposits |
Production size: | Small ammount of material produced |
Development status: | Past Producer |
ore: | Hematite, Magnetite, Goethite |
gangue: | Quartz |
orebody_fm: | STRATABOUND |
work_type: | Underground |
model: | 241: Superior Fe (BC name is Lake Superior & Rapitan types iron-formation) |
alteration: | Leaching of silica or replacement by iron oxides or a combination of these processes. |
conc_proc: | Metamorphism of Vulcan iron formation has locally increased grain size and made some material more amenable to concentration than less metamorphosed iron formation. |
Reporter: | Sutphin, D.M. (Cannon, W.F.), Mason Jr., G.T. |
hrock_unit: | Vulcan Iron Formation |
hrock_type: | Iron Formation |
Structure: | Major troughs into which Iron fm. has slumped; regional trends are E-W to N |
Year first produced: | 1915 |
yr_lst_prd: | 1937 |
disc_yr: | 1851 |
prod_yrs: | 1915-1934 EXCEPT FOR 1932. A SMALL STOCKPILE CLEAN-UP SHIPMENT WAS MADE IN 1937. |
References: |
- Deposit:: LAKE SUPERIOR IRON ORE ASSOCIATION, 1952, LAKE SUPERIOR IRON ORES, 2D ED.: CLEVELAND, OHIO, LAKE SUPERIOR IRON ORE ASSOCIATION, 334 P.
- Deposit:: BAYLEY, R.W., AND OTHERS, 1966, GEOLOGY OF THE MENOMINEE IRON-BEARING DISTRICT, MICHIGAN AND WISCONSIN: U.S.G.S. PROFESSIONAL PAPER 513, 96 P. VAN HISE, C.E.., AND LEITH, C.E.., 1911, THE GEOLOGY OF THE LAKE SUPERIOR REGION: U.S.G.S MONOGRAPH 52, 641 P.
- Production:: LAKE SUPERIOR IRON ORE ASSOCIATION, 1952, P. 107-128.
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