Commodities
PrimaryIron
Commodity typeM
Materials
Other materialsAegirine, Ankerite, Apatite, Arsenopyrite, Biotite, Chalcopyrite, Chert, Chlorite, Crocidolite, Cummingtonite, Goethite, Hematite, Ilmenite, Magnetite, Manganite, Martite, Microcline, Monazite, Olivine, Orthoclase, Plagioclase, Pyrite, Pyroxene, Pyrrhotite, Quartz, Riebeckite, Siderite, Stilpnomelane, Tourmaline, Zircon
Economic & production
Development statusProducer
First production1907
Discovery year1887
Identification
Deposit ID10170458
MRDS IDW001394
Alternate namesPalmer Operations
RegionNA
Data scoreA
Coordinates46.4444, -87.59722
References
BOYUM, B. H. THE MARQUETTE MINERAL DISTRICT OF MICHIGAN.21ST ANN. INST. ON LAKE SUPERIOR GEOLOGY, ISHPEMING,MICHIGAN, APRIL 30 - MAY 4, 1975. NORTHERN MICHIGANUNIVERSITY, ISHPEMING, MICHIGAN, 1975, 59 PP.THE CLEVELAND-CLIFFS IRON COMPANY. 1979 FORM 10-K. P. 9.PP. 6, 9, 40.SKILLINGS, D. N., JR. CLEVELAND-CLIFFS FURTHER EXPANSION OFEMPIRE MINE. SKILLINGS' MIN. REV., V. 65, NO. 40,OCTOBER 2, 1976, PP. 10 - 13.THOMAS, R. EMPIRE VERGES ON FOURTH EXPANSION SUCCESS.ENG. AND MIN. J., V. 180, NO. 9, SEPTEMBER 1979,PP. 128 - 133.SKILLINGS MINING REVIEW JULY 30, 1988, P18:CLEVELAND-CLIFFS INC. SEC FORM 10-K REPT, 12/31/93, P. 6.