Alaska
Occurrence

Unnamed (on tributary to Tin Creek)

Alaska, United States
ZincCopperSilverLeadCobaltCadmiumBismuth
⌖ Show on mapUSGS source ↗
Commodities
PrimaryZinc, Copper, Silver, Lead
SecondaryCobalt, Cadmium, Bismuth
Deposit
Model60: Skarn Zn-Pb
Materials
Ore mineralsArsenopyrite, Chalcopyrite, Galena, Malachite, Pyrite, Sphalerite, Marmatite
GangueDiopside, Epidote, Garnet, Magnetite
Geology
AlterationExtensive diopside(?) replacement.
Economic & production
Development statusOccurrence
Identification
Deposit ID10307852
RegionNA
Data scoreC
Coordinates62.43348, -153.67485
References
Bundtzen, T.K., Kline, J.T., and Clough, J.G., 1982, Preliminary geologic map of the McGrath B-2 quadrangle, Alaska: Alaska Division of Geological and Geophysical Surveys Open-File report 149, 22 pages, one sheet, scale 1:63,360.Smith, T.E., and Albanese, M.D., 1985, Preliminary prospect examinations in the McGrath B-2, A-3, and A-4 quadrangles, Alaska: Alaska Division of Geological and Geophysical Surveys Public Data File 85-54, 19 pages.Szumigala, D.J., 1987, Geology of the lead-zinc skarn deposits at Tin Creek area, McGrath B-2 quadrangle, Alaska: Alaska Division of Geological and Geophysical Surveys Report of Investigations 87-5, 21 pages, one sheet, 1:10,000 scale.Solie, D.N., Bundtzen, T.K., and Gilbert, W.G., 1991, K-Ar ages of igneous rocks in the McGrath quadrangle, Alaska: Alaska Division of Geological and Geophysical Surveys Public Data File Report 160, 17 pages, one sheet, 1:250,000 scale.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.Newberry, R.J., Allegro, G.L., Cutler, S.E., Hagen-Levelle, D.D., Adams, D.D., Nicholson, L.C., Weglarz, T.B., Bakke, A.A., Clautice, K.H., Coulter, G.A., Ford, M.J., Myers, G.L., and Szumigala, D.J., 1997, Skarn deposits of Alaska, in Goldfarb, R.J., and Miller, L.D., eds., Mineral Deposits of Alaska: Economic Geology Monograph 9, p. 355-395.