Mine detail: Davidson Group Mines

Previously called 'Gleason Explorations'

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Location

Lat / long: 46.11806, -88.64394

Resource(M)

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

Production

Operation type: Underground
Deposit type: Secondary Enrichment
Production size: Medium
Development status: Past Producer
Production years: THE DAVIDSON MINE SHUT DOWN ON 11 AUG 1953; ITS ORE EXHAUSTED.
First production started: 1911
Last production ended: 1953

Geology

Host rock:Riverton Iron-Formation
Host type:Iron Formation
Alteration processes:Chert and siderite to limonite, hematite, goethite in oxidation zones.

References

MRDSW028924
DEP10079398
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. PP. 112-113.}{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. 110-111, 193-194, 248-249, 225-226, 275-277, 296-297, 266-267 RESPECTIVELY.}{Deposit:: REED, R.C., 1975, ONE THOUSAND MILLION TONS, MICHIGAN IRON ORE SHIPMENTS THROUGH 1974, CIRCULAR 12, GEOLOGICAL SURVEY DIVISION OF MICHIGAN DEPARTMENT OF NATURAL RESOURCES, LANSING, MICHIGAN, 1975. P. 9.}{Deposit:: U.S. BUREAU OF MINES, 1954-1994, MINERALS YEARBOOK [1953-1993]: WASHINGTON, D.C., U. S. GOVERNMENT PRINTING OFFICE, VARIOUS VOLUMES.}{Deposit:: JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, IRON COUNTY, P. 109-116, MICHIGAN DEPARTMENT OF NATURAL RESOURCES,}
ReporterSutphin, D.M., Mason Jr., G.T., Anderson, Arlene (M. Gere), Yeager, Keith (Cannon, W.)