Commodities
PrimaryNickel, Copper
SecondaryChromium, Bismuth, Cobalt, Gold, Silver
Deposit
Model10: Noril'sk Cu-Ni-PGE
Materials
Ore mineralsBravoite, Chalcopyrite, Galena, Pentlandite, Pyrite, Pyrrhotite
GangueHematite, Magnetite
Geology
AlterationSerpentinization of ultramafic phases of sill.
Economic & production
Development statusProspect
Identification
Deposit ID10307843
RegionNA
Data scoreB
Coordinates62.19546, -154.44884
References
Roberts, W.S., and O'Connor, W.K., 1985, Petrographic and geological summary, Robert's PGM occurrence, McGrath A-3 quadrangle, Alaska: U.S. Bureau of Mines unpublished prospect examination report, 9 pages.Gilbert, W.G., Solie, D.N., and Kline, J.T., 1988, Geologic map of the McGrath A-3 quadrangle, Alaska: Alaska Division of Geological and Geophysical Surveys Professional Report 92, 2 sheets, 1:63,360 scale.Foley, J.Y., Light, T.D., Nelson, S.W., and Harris, R.A., 1997, Mineral occurrences associated with mafic-ultramafic and related alkaline complexes in Alaska: Economic Geology, Monograph 9, p. 396-449.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.