Commodities
PrimaryCopper
Commodity typeM
Deposit
Deposit typeLode
Model96: Native Cu
Deposit sizeM
Orebody formTABULAR
Ore controlConglomerate bed between amygdaloid basalt flows.
Materials
Ore mineralsCopper
GangueFeldspar, Epidote, Quartz, Calcite
Geology
Host rockConglomerate,Basalt · "Calumet And Hecla Conglomerate", "Kearsarge Amygdaloid", "Osceola Amygdaloid"
Economic & production
Development statusPast Producer
Identification
Deposit ID10082874
MRDS IDW062238
Alternate namesNorth Kearsarge, South Kearsarge, Tamarack Junior, Osceola Mine (Calumet and Hecla Conglomerate), Osceola Mine (Osceola Amygdaloid)
RegionNA
Data scoreB
Coordinates47.22639, -88.46255
References
BUTLER, B.S., AND BURBANK, W.S., 1929, THE COPPER DEPOSITS OF MICHIGAN: USGS PROF PAPER NO. 144, 238 PP.CORNWALL, H.R., AND WRIGHT, J.C., 1956, GEOLOGIC MAP OF THE LAURIUM QUADRANGLE, MICHIGAN: USGS MAP MF-47, SCALE 1:24000BUTLER, B.S., AND BURBANK, W.S., 1929, P. 91-93.