Commodities
PrimaryGold, Silver
SecondaryZinc, Lead, Copper
Commodity typeM
Deposit
Model59: Skarn Cu85: Polymetallic veins
Materials
Ore mineralsArsenopyrite, Chalcopyrite, Galena, Pyrite, Pyrrhotite, Sphalerite
GangueQuartz
Geology
Host rockLimestone
AlterationNarrow phyllic alteration haloes around and in porphyry dikes typically consists of sericite, quartz, and pyrite. In addition, skarn alteration minerals are garnet, pyroxene, and epidote.
Economic & production
Development statusProspect
Identification
Deposit ID10000700
MRDS IDA011332
RegionNA
Data scoreB
Coordinates63.23958, -149.61283
References
Townsend, H.H., 1925, Assay returns: Alaska Territorial Dept. of Mines Itinerary Report 195-48, 4 p.Ross, C.P., 1933, The Valdez Creek mining district, Alaska: U.S. Geological Survey Bulletin 849, p. 289-467.Berg, H.C., and Cobb, E.H., 1967, Metalliferous Lode Deposits of Alaska. U.S. Geological Survey Bulletin 1246, 254 p.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.Cobb, E.H., 1978, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Healy quadrangle, Alaska: U.S. Geological Survey Open-File Report 78-1062, 113 p.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.Capps, S.R., 1919, Mineral resources of the upper Chulitna region: U.S. Geological Survey Bulletin 692-D, p. 207-232.