Commodities
PrimaryCopper, Silver, Gold
SecondaryBismuth, Tungsten
Commodity typeM
Materials
Ore mineralsAllanite, Gold, Malachite, Scheelite, Silver
GangueKyanite, Pyroxene, Tremolite, Zircon
Economic & production
Development statusPast Producer
Identification
Deposit ID10090726
MRDS IDD002709
RegionNA
Data scoreB
Coordinates63.21642, -154.76989
References
Martin, G.C., 1922, Gold lodes in the Upper Kuskokwim region: U.S. Geological Survey Bulletin 864D, p. 149-161.Brown, J.S., 1926, The Nixon Fork country: U.S. Geological Survey Bulletin 783. p. 97-144.Mertie, J.B., Jr., 1936, Mineral deposits of the Ruby-Kuskokwim region, Alaska: U.S. Geological Survey Bulletin 864-C, 115-245.White, M.G., and Stevens, J.M., 1953, Reconnaissance for radioactive minerals in the Ruby-Poorman and Nixon Fork districts, west-central Alaska, in 1949: U.S. Geological Survey Circular 279, 19 pages.Cobb, E.H., 1974, Synopsis of mineral resources and geology of Alaska: U.S. Geological Survey Bulletin 1307, 53 pages.Bundtzen, T.K., and Miller, M.L., 1997, Precious metals associated with Late Cretaceous-early Tertiary igneous rocks of southwestern Alaska, in Goldfarb, R.J., and Miller, L.D., eds., Economic Geology Monograph #9, Mineral Deposits of Alaska, p. 242-286.Herreid, G.H., 1966, Geology and geochemistry of the Nixon Fork area, Medfra quadrangle, Alaska: Alaska Division of Mines and Minerals Geologic Report 22, 34 p., 1 sheet, scale 1:40,000.