Mine detail: Baltic Mine

Previously called ''

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Location

Lat / long: 46.05694, -88.61477

Resource(M)

Primary: Iron
Ore: Hematite, Goethite
Gangue: Chert, Pyrite, Siderite, Stilpnomelane, Chlorite, Mica

Production

Operation type: Underground
Deposit type: Secondary Enrichment
Production size: Unknown
Development status: Past Producer
First production started: 1901
Last production ended: 1962

Geology

Host type:Iron Formation
Alteration processes:Chert and siderite to hematite and goethite in oxidation zones

References

MRDSW028950
DEP10079418
Reference{Deposit:: JAMES, H.L., DUTTON, C.E., PETTIJOHN, F.J., WIER, K.L., 1968, GEOLOGY AND ORE DEPOSITS OF THE IRON RIVER, CRYSTAL FALLS DISTRICT, IRON COUNTY, MICHIGAN. WASHINGTON, U.S. GOVT. PRINTING OFFICE, 1968. PP. 45-56, 88-110.}{Deposit:: LAKE SUPERIOR IRON ORE ASSOCIATION, 1952, LAKE SUPERIOR IRON ORES (2ND ED.): CLEVELAND, OHIO. P. 109.}{Deposit:: CROWELL, BENEDICT, AND MURRAY, C.B., INC., 1911, 1914, 1917, 1920, 1923, 1927, 1930, THE IRON ORES OF LAKE SUPERIOR (1ST-7TH EDS.): CLEVELAND, OHIO. PP. 104, 185-186, 240, 217, 267, 286-287, 261 RESPECTIVELY.}{Deposit:: HANNA, T.A., 1902, THE STATE OF MICHIGAN MINES AND MINERAL STATISTICS, MARQUETTE, MICHIGAN. P. 79.}{Deposit:: JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, IRON COUNTY, P. 13-16, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.}
ReporterYeager, Keith (Cannon, W.), Sutphin, D.M., Mason Jr., G.T., Anderson, Arlene (M. Gere)