Deposit
Deposit typeLode
Model96: Native Cu
Deposit sizeM
Orebody formTABULAR
Ore controlOpen space in conglomerate and amygdaloidal basalt flows
Materials
Ore mineralsCopper
GangueFeldspar, Epidote, Quartz, Calcite
Geology
Host rockConglomerate,Basalt · "Calumet And Hecla Conglomerate", "Portage Lake Volcanics"
Economic & production
Development statusPast Producer
Production years1882-1917 AS AN INDEPENDANT MINE.
First production1882
Identification
Deposit ID10082879
MRDS IDW062244
Alternate namesTamarack 3 and 4
RegionNA
Data scoreB
Coordinates47.25944, -88.46033
References
BUTLER, B.S., AND BURBANK, W.S., 1929, THE COPPER DEPOSITS OF MICHIGAN: USGS PROF PAPER NO. 144, 238 PP.WHITE, W.S., CORNWALL, H.R., AND SWANSON, R.W., 1953, BEDROCK GEOLOGY OF THE AHMEEK QUADRANGLE; USGS MAP GQ-27, SCALE 1:24000JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, HOUGHTON COUNTY, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.BUTLER, B.S., AND BURBANK, W.S., 1929, P. 96-97.