Commodities
PrimaryIron
Commodity typeM
Deposit
Model241: Superior Fe (BC name is Lake Superior & Rapitan types iron-formation)
Deposit sizeS
WorkingsUnderground
Orebody formSTRATABOUND
Materials
Ore mineralsGoethite, Hematite, Magnetite
GangueQuartz
Geology
Host rockIron Formation · Vulcan Iron Formation
StructureMajor Troughs Into Which Iron Fm. Has Slumped; Regional Trends Are E-W To Ne-Sw.
Tectonic settingCanadian Shield
AlterationLeaching Of Silica Or Replacement By Iron Oxides Or A Combination Of These Processes.
Economic & production
Development statusPast Producer
Production years1880-1931 EXCEPT FOR 1884-1885, 1913, 1921-1922, 1924, AND 1926-1928.
First production1880
Last production1931
Discovery year1849
Identification
Deposit ID10082682
MRDS IDW062031
Alternate namesEagle
RegionNA
Data scoreB
Coordinates45.92583, -88.2631
References
LAKE SUPERIOR IRON ORE ASSOCIATION, 1952, LAKE SUPERIOR IRON ORES, 2D ED.: CLEVELAND, OHIO, LAKE SUPERIOR IRON ORE ASSOCIATION, 334 PBAYLEY, 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.R., AND LEITH, C.K., 1911, THE GEOLOGY OF THE LAKE SUPERIOR REGION: U.S.G.S MONOGRAPH 52, 641 PLAKE SUPERIOR IRON ORE ASSOCIATION, 1952, P. 107-128.