Commodities
PrimaryCopper, Gold, Silver
Commodity typeM
Deposit
Model59: Skarn Cu85: Polymetallic veins
Materials
Ore mineralsArsenopyrite, Chalcopyrite, Pyrite, Pyrrhotite
GangueQuartz, Sericite
Geology
Associated rockAn apophysis of the porphyry plug at the Golden Zone mine.
AlterationPyrite-quartz-sericite veins overprint earlier skarn calc-silicate assemblages that consist of epidote, pyroxene, actinolite, and occasional garnet.
Economic & production
Development statusProspect
Identification
Deposit ID10000676
MRDS IDA011300
RegionNA
Data scoreB
Coordinates63.23152, -149.62283
References
Hawley, C.C., and Clark, A.L., 1974, Geology and mineral deposits of the upper Chulitna district, Alaska: U.S. Geological Survey Professional Paper 758-B, p. 1-47, 2 sheets, scale 1:12,000 and 1:48,000.Hawley, C.C., and others, 1978, Mineral appraisal of lands adjacent to Mt. McKinley National Park, Alaska. Contract No. JO166107: U.S. Bureau of Mines Open-File Report 24-78, 274 p., 12 sheets.