Lat / long: | 45.82722, -88.07281 |
Primary: | Iron |
Ore: | Hematite, Magnetite, Goethite |
Gangue: | Quartz |
Orebody form: | STRATABOUND |
Discovery year: | 1849 |
Operation type: | Surface |
Deposit type: | Banded Iron-Rich Sedimentary Deposits |
Production size: | Small |
Development status: | Past Producer |
Production years: | SHIPPED ORE FROM 1937 TO 1959, WHEN MINE WAS CLOSED AND THE EQUIPMENT WAS SOLD. |
First production started: | 1937 |
Last production ended: | 1959 |
Host rock: | Vulcan Iron Formation |
Host type: | Iron Formation |
Structure: | Major troughs into which Iron fm. has slumped; regional trends are E-W to N |
Alteration processes: | Leaching of silica or replacement by iron oxides or a combination of these processes. |
MRDS | W062019 |
DEP | 10082670 |
Reference | {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; REED, 1975.} |
Reporter | Sutphin, D.M. (Cannon, W.F.), Mason Jr., G.T. |