Alaska
Occurrence

Unnamed (north of Noatak River)

Alaska, United States
LeadTinCopperZincAntimonyBismuthBerylliumGoldArsenicSilver
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Commodities
PrimaryLead, Tin, Copper
SecondaryZinc, Antimony, Bismuth, Beryllium, Gold, Arsenic, Silver
Commodity typeM
Deposit
Model43: Sn skarn
Materials
Ore mineralsChalcopyrite, Galena, Pyrrhotite, Sphalerite
GangueQuartz
Geology
Host rockPhyllite
Associated rockGranite · Mt. Igikpak Pluton; Gneissic Granite
AlterationQuartz and calc-silicate minerals.
Economic & production
Development statusOccurrence
Identification
Deposit ID10001213
MRDS IDA011926
RegionNA
Data scoreC
Coordinates67.54959, -155.01348
References
Garland, R.E., Eakins, G.R., Trible, T.C., 1975, Geochemical analysis of rock and stream-sediment samples from Survey Pass C-5 quadrangle: Alaska Division of Geological and Geophysical Surveys Open-File Report 64, 4 p, 2 sheets, scale 1:63,360.Grybeck, D.J., and Nelson, S.W., 1981, Mineral deposit map of the Survey Pass quadrangle, Brooks Range, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-1176-F, 1 sheet, scale 1:250,000.Newberry, R.J., Dillon, J.T., and Adams, D.D., 1986, Regionally metamorphosed calc-silicate-hosted deposits of the Brooks Range, northern Alaska: Economic Geology, v. 81, p. 1728-1752