Commodities
PrimaryIron
Commodity typeM
Deposit
Deposit typeSecondary Enrichment
Deposit sizeS
Ore controlUpward facing or open structures of folding or faulting.
Materials
Ore mineralsLimonite, Grunerite
GangueChert, Magnetite, Hornblende, Actinolite, Garnet, Mica
Geology
Host rockIron Formation · Bijiki Iron-Formation
AlterationReplacement of cherty beds by iron oxide and alteration of fe-silicates and carbonates to iron oxides
Economic & production
Development statusPast Producer
First production1882
Last production1900
Identification
Deposit ID10079314
MRDS IDW028534
RegionNA
Data scoreB
Coordinates46.53194, -88.14087
References
KLASNER, J. S., AND CANNON, W. F., 1978 , BEDROCK GEOLOGY MAP OF THE SOUTHERN PART OF THE MICHIGAMME AND THREE LAKES QUADRANGLES, MARQUETTE AND BARAGA COUNTIES, MICHIGAN. USGS MAP 1 - 1078 .LAKE SUPERIOR IRON ORE ASSOCIATION, 1952 , LAKE SUPERIOR IRON ORES ( 2ND ED. ): CLEVELAND, OHIO, P. 92 .SECTION FILES, MICHIGAN GEOLOGICAL SURVEY, THE CLEVELAND - CLIFFS IRON CO. 1949 - 1950 , RECORD OF EXPLORATIONS, SECTION FILES OF THE GEOLOGICAL SURVEY DIVISION OF THE MICHIGAN DEPT. OF NATURAL RESOURCES.JOHNSON, A, 1998, INVENTORY OF UNDERGROUND MINES, BARAGA COUNTY, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.