Mine detail: Lawrence Mine

Previously called 'Wilkinson'

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Location

Lat / long: 46.07833, -88.36921

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: 1920
Last production ended: 1956

Geology

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

References

MRDSW028656
DEP10079393
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. 45-56, 88-110.}{Deposit:: SECTION FILES, MICHIGAN GEOLOGICAL SURVEY, VERONA MINING CO., 1946-1947, SECTION FILES OF THE GEOLOGICAL SURVEY DIVISION OF THE MICHIGAN DEPARTMENT OF NATURAL RESOURCES, LANSING, MICHIGAN.}{Deposit:: APPRAISAL OF IRON MINES AND COPPER MINES, 1955, LAWRENCE-CARPENTER, GEOLOGICAL SURVEY DIVISION OF MICHIGAN DEPARTMENT OF CONSERVATION. P. 505.}
ReporterYeager, Keith (Cannon, W.), Sutphin, D.M., Mason Jr., G.T.