Michigan Mine

Iron County, Michigan, United States

Iron

Land & claims · BLM · live

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BLM MLRS ↗Claims at this point ↗Surface mgmt ↗

Surface manager + active mining claims at this point, live from BLM. The "open to location" notes are a general 1872-Mining-Law guide, not BLM output — decision-support only; verify with BLM MLRS and on the ground before staking or entry.

Commodities

PrimaryIron

Commodity typeMetallic

Deposit

Deposit typeBanded Iron-Rich Sedimentary Deposits

Model241: Superior Fe (BC name is Lake Superior & Rapitan types iron-formation)

Deposit sizeSmall

WorkingsUnderground

Orebody formSTRATABOUND

Materials

Ore mineralsHematite, Magnetite, Goethite

GangueQuartz

Geology

Host rockIron Formation · Vulcan Iron Formation

StructureMajor troughs into which Iron fm. has slumped; regional trends are E-W to N

AlterationLeaching of silica or replacement by iron oxides or a combination of these processes.

Economic & production

Development statusPast Producer

Production years1893-1895, 1897, 1902, 1905-1908, 1910, AND 1913-1916.

First production1893

Last production1916

Discovery year1849

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References

LAKE SUPERIOR IRON ORE ASSOCIATION, 1952, LAKE SUPERIOR IRON ORES, 2D ED.: CLEVELAND, OHIO, LAKE SUPERIOR IRON ORE ASSOCIATION, 334 P.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.JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, IRON COUNTY, P. 255-257, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.LAKE SUPERIOR IRON ORE ASSOCIATION, 1952, P. 107-128.

Identification

Deposit ID10082691

MRDS IDW062041

Alternate namesWarner., Gibson

RegionNA

Data scoreB

Coordinates46.23056, -88.44227