Commodities
PrimaryCopper, Nickel
SecondaryArsenic
Commodity typeM
Materials
Ore mineralsChalcopyrite, Pyrrhotite
Geology
Host rockConglomerate · Dall Conglomerate
Associated rockGabbro,Granite
AlterationHydrothermally bleached conglomerate and local zones of tactite are described by C.C. Hawley and Associates, Inc. (1978).
Economic & production
Development statusOccurrence
Identification
Deposit ID10000889
MRDS IDA011543
RegionNA
Data scoreC
Coordinates62.53451, -152.41477
References
Cobb, E.H., 1973, Placer deposits of Alaska: U.S. Geological Survey Bulletin 1374, 213 p.C.C. Hawley and Associates, Inc., 1978, Mineral appraisal of lands adjacent to Mt. McKinley National Park, Alaska: U.S. Bureau of Mines Open-File Report 24-78, 275 p., 7 plates.Reed, B.L., and Nelson, S.W., 1980, Geologic map of the Talkeetna quadrangle: U.S. Geological Survey Miscellaneous Investigations Map I-1174, scale 1:250,000.Fechner, S.A., Burleigh, R.E.., Foley, J.Y., and Lear, K.G., 1993, Results of the 1991-92 U.S. Bureau of Mines site-specific mineral investigations project in Alaska: U.S. Bureau of Mines Open-File Report 100-93, 127 p.Foley, J.Y., Light, T.D., Nelson, S.W., and Harris, R.A., 1997, Mineral occurrences associated with mafic-ultramafic and related alkaline complexes in Alaska: Economic Geology, Monograph 9, p. 396-449.Mertie, J.B., Jr., 1919, Platinum-bearing gold placers of the Kahiltna Valley: U.S. Geological Survey Bulletin 692-D, p. 233-264.