Commodities
PrimaryIron
Commodity typeM
Deposit
Deposit typeSecondary Enrichment
Deposit sizeS
Ore controlUpward facing or open structures of folding or faulting
Materials
Ore mineralsHematite, Grunerite, Limonite
GangueJasper, Chert, Hornblende, Actinolite, Magnetite, Garnet, Mica
Geology
Host rockIron Formation · Negaunee Iron-Formation
AlterationChert replaced by compact or specular hematite and magnetite
Economic & production
Development statusPast Producer
First production1874
Last production1878
Identification
Deposit ID10106103
MRDS IDW028536
Alternate namesOrleans, Stewart
RegionNA
Data scoreB
Coordinates46.53611, -88.15726
References
LAKE SUPERIOR IRON ORE ASSOCIATION, 1938 , LAKE SUPERIOR IRON ORES ( 1ST ED. ): CLEVELAND, OHIO, P. 120 .SECTION FILES, MICHIGAN GEOLOGICAL SURVEY, CLEVELAND-CLIFFS IRON CO., 1950 , STEWARD MINE EXPLORATION, SECTION FILES OF THE GEOLOGICAL SURVEY DIVISION OF MICHIGAN DEPARTMENT OF NATURAL RESOURCES.JOHNSON, A, 1998, INVENTORY OF UNDERGROUND MINES, BARAGA COUNTY, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.