Commodities
PrimaryAntimony
SecondaryCopper, Lead, Gold, Silver
Commodity typeM
Deposit
Model273: Low-sulfide Au-quartz vein
Materials
Ore mineralsAzurite, Chalcopyrite, Galena, Gold, Malachite, Pyrite, Pyrrhotite, Stibnite
GangueQuartz
Geology
AlterationSulfidation along a wide shear zone.
Economic & production
Development statusPast Producer
Identification
Deposit ID10308935
MRDS IDA012797
Alternate namesLast Chance
RegionNA
Data scoreB
Coordinates64.73748, -165.53659
References
Cathcart, S.H., 1922, Metalliferous lodes in southern Seward Peninsula: U.S. Geological Survey Bulletin 722, p. 163-261.Herreid, G.H., 1970, Geology and geochemistry of the Sinuk area, Seward Peninsula, Alaska: Alaska Division of Mines and Minerals Geologic Report 36, 61 p., 3 sheets, scale 1:42,000.Cobb, E.H., 1972, Metallic mineral resources map of the Nome quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-463, 2 sheets, scale 1:250,000.Cobb, E.H., 1978, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Nome quadrangle, Alaska: U.S. Geological Survey Open-File report 78-93, 213 p.Bundtzen, T.K., Reger, R.D., Laird, G.M., Pinney, D.S., Clautice, K.H., Liss, S.A., and Cruse, G.R., 1994, Progress report on the geology and mineral resources of the Nome mining district: Alaska Division of Geological and Geophysical Surveys, Public Data-File 94-39, 21 p., 2 sheets, scale 1:63,360.