Commodities
PrimaryIron
Commodity typeM
Deposit
Deposit typeSecondary Enrichment
Deposit sizeS
Ore controlStructurally controlled.
Materials
GangueQuartz, Chert, Mica, Garnet, Actinolite
Geology
Host rockIron Formation · Negaunee Iron-Formation
AlterationChert to hematite & magnetite in oxidation zones.
Economic & production
Development statusPast Producer
First production1888
Last production1893
Identification
Deposit ID10079311
MRDS IDW028529
RegionNA
Data scoreB
Coordinates46.43417, -88.02475
References
SECTION FILES, MICHIGAN GEOLOGICAL SURVEY, FORD MOTOR CO., 1924 ; MENOMINEE IRON AND LAND CO., EXPLORATION BY OLIVER MINING CO, 1911 - 1912 , SECTION FILES OF GEOLOGICAL SURVEY DIVISION OF MICHIGAN DEPT. OF NATURAL RESOURCES, LANSING, MICHIGAN.LAKE SUPERIOR IRON ORE ASSOCIATION, 1938 , LAKE SUPERIOR IRON ORE ( 1ST ED. ): CLEVELAND, OHIO, P. 118 .KLASNER, J. S., AND CANNON, W. F., 1976 , GEOLOGIC MAP AND GEOPHYSICAL INTERPRETATION OF THE WITCH LAKE QUADRANGLE, MARQUETTE, IRON AND BARAGA COUNTIES, MICHIGAN: US GEOLOGICAL SURVEY, MISCELLANEOUS INVESTIGATIONS SERIES MAP I-987 .