Commodities
PrimaryLead, Copper, Silver
SecondaryNickel
Deposit
Model85: Polymetallic veins
Materials
Ore mineralsPyrite, Pyrrhotite
GangueQuartz
Geology
AlterationFerricrete oxidation of pyrite and pyrrhotite.
Economic & production
Development statusOccurrence
Identification
Deposit ID10307826
RegionNA
Data scoreD
Coordinates62.88745, -155.59093
References
Brooks, A.H., and Martin, G. C. 1921, The Alaska mining industry in 1919: U.S. Geological Survey Bulletin 714, p. 59-95.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.Bundtzen, T.K., and Laird, G.M., 1983, Geologic map of the McGrath D-6 quadrangle, Alaska: Alaska Division of Geological and Geophysical Surveys Professional Report 79, 1 sheet, scale 1:63,360.