Commodities
PrimaryCopper
SecondarySilver, Gold
Commodity typeM
Deposit
Model85: Polymetallic veins
Materials
Ore mineralsChalcopyrite, Pyrrhotite
GangueQuartz
Geology
Host rockSiltstone
AlterationGraywacke hostrock is conspicuously iron stained.
Economic & production
Development statusOccurrence
Identification
Deposit ID10000170
MRDS IDA010205
RegionNA
Data scoreC
Coordinates56.04671, -130.39482
References
Berg, H.C., Elliott, R.L., Smith, J.G., Pittman, T.L., and Kimball, A. L., 1977, Mineral resources of the Granite Fiords wilderness study area, Alaska, with a section on aeromagnetic data by Andrew Griscom: U.S. Geological Survey Bulletin 1403, 151 p.Cobb, E.H., 1978, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Bradfield Canal quadrangle, Alaska: U.S. Geological Survey Open-File Report 78-922, 98 p.Elliott, R.L., and Koch, R.D., 1981, Mines, prospects, and selected metalliferous mineral occurrences in the Bradfield Canal quadrangle, Alaska: U.S. Geological Survey Open-File Report 81-728-B, 23 p., 1 sheet, scales 1:250,000 and 1:63,360.