Commodities
PrimaryIron
Commodity typeM
Deposit
Deposit typeSecondary Enrichment
Deposit sizeS
WorkingsSurface
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 production1905
Identification
Deposit ID10106102
MRDS IDW028533
RegionNA
Data scoreB
Coordinates46.54167, -88.17893
References
HANNA, T. A., 1902 , STATE OF MICHIGAN MINES AND MINERAL STATISTICS, MARQUETTE, MICHIGAN, P. 76 .KLASNER, J. S., AND CANNON, W. F., 1978 , BEDROCK GEOLOGY 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, 1938 , LAKE SUPERIOR IRON ORES ( 1ST ED. ): CLEVELAND, OHIO, P. 102 .SECTION FILES, MICHIGAN GEOLOGICAL SURVEY, CLEVELAND-CLIFFS IRON CO., OHIO MINE EXPLORATION, 1950 - 1951 , SECTION FILES OF THE GEOLOGICAL SURVEY DIVISION OF MICHIGAN DEPT. OF NATURAL RESOURCES.JOHNSON, AL, 1998, INVENTORY OF UNDERGROUND MINES, BARAGA COUNTY, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.