Commodities
PrimaryLead, Zinc, Gold, Silver
SecondaryCopper, Iron
Materials
Ore mineralsChalcopyrite, Galena, Pyrrhotite, Sphalerite, Marmatite
GangueChlorite, Epidote, Clinopyroxene, Hedenbergite
Geology
Associated rockBowser Creek
AlterationExtensive ferricrete oxidation of pyrrhotite and marmatite-rich sulfide zones.
Economic & production
Development statusProspect
Identification
Deposit ID10307866
RegionNA
Data scoreB
Coordinates62.19048, -153.69282
References
Reed, B.L. and Elliott, R.L., 1968, Geochemical anomalies and metalliferous deposits between Windy Fork and Post River, southern Alaska: U.S. Geological Survey Circular 596, 22 pages.Bundtzen, T.K., Harris, E.E., and Gilbert, W.G., 1997, Geologic Map of the eastern McGrath quadrangle, Alaska: Alaska Division of Geological and Geophysical Surveys Report of Investigations 97-14, 34 pages, one sheet, scale 1:125,000.Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Iliamna, Lake Clark, Lime Hills, and McGrath quadrangles, Alaska: U.S. Geological Survey Open-File Report 76-485, 101 p.Bundtzen, T.K., Kline, J.T., Smith, T.E., and Albanese, M.D., 1988, Geology of the McGrath A-2 quadrangle, Alaska: Alaska Division of Geological and Geophysical Surveys Professional Report 91, 18 p., 1sheet, scale 1:63,360.Cobb, E.H., 1972, Metallic mineral resources map of the McGrath quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-379, 1 sheet, 1:250,000 scale.