Alaska
Prospect

Arctic

Alaska, United States
ZincLeadCopperGoldSilverAntimony
⌖ Show on mapUSGS source ↗
Commodities
PrimaryZinc, Lead, Copper, Gold, Silver
SecondaryAntimony
Commodity typeM
Deposit
Model184: Massive sulfide, kuroko
Materials
Ore mineralsBornite, Chalcocite, Chalcopyrite, Galena, Sphalerite, Stibnite, Tetrahedrite, Tennantite
GangueArsenopyrite, Barite, Calcite, Pyrite, Pyrrhotite, Quartz, Talc
Geology
Host rockSchist · Ambler Sequence
AlterationChlorite-rich rocks in footwall and surrounding the sulfides form an alteration zone containing a complex assemblage of barian fluorphlogopite, talc, Mg-chlorite, barite, phengite, quartz, and calcite (Schmidt, 1986).
Economic & production
Development statusProspect
Identification
Deposit ID10001184
MRDS IDA011889
Alternate namesArctic Camp
RegionNA
Data scoreB
Coordinates67.18066, -156.38957
References
Bottge, R.G., 1975, Impact of a natural gas pipeline on mineral and energy development in Alaska: U.S. Bureau of Mines Open-File Report 20-75.Degenhart, C.E., Griffis, R.J., McQuat, J.F., and Bigelow, C.G., 1978, Mineral studies of the western Brooks Range performed under contract to the U.S. Bureau of Mines, Contract #JO155089: U.S. Bureau of Mines Open-File Report 103-78, 529 p., 11 sheets.Dillon, J.T., Pessel, G.H., Chen, J.H., and Veach, N.C., 1979, Tectonic and economic significance of late Devonian and late Proterozoic U-Pb zircon ages from Brooks Range, Alaska: in Short Notes on Alaskan Geology, 1978: Alaska Division of Geological and Geophysical Surveys Geologic Report 61, p. 36-41.Grybeck, D.J., and Nokleberg, W.J., 1979, Metallogeny of the Brooks Range, Alaska, in Johnson, K.M., and Williams, J.R., Jr., The United States Geological Survey in Alaska: Accomplishments during 1978: U.S. Geological Survey Circular 804-B, p. B19-B22.Hitzman, M.W., Profett, J.M., Jr., Schmidt, J.M., and Smith, T.E., 1986, Geology and mineralization of the Ambler district, northwestern Alaska: Economic Geology, v. 81, p. 1592-1618.Mayfield, C.F. and Grybeck, D., 1978, Mineral occurrences and resource map of the Ambler river quadrangle, Alaska: U.S. Geological Survey Open-File Report 78-120I, 1 sheet, scale 1:250,000.Schmidt, J.M., 1988, Mineral and whole-rock compositions of seawater-dominated hydrothermal alteration at the Arctic volcanogenic massive sulfide prospect, Alaska: Economic Geology, v. 83, p. 822-842.Schmidt, J.M., 1983, Geology and geochemistry of the Arctic prospect, Ambler district, Alaska: Stanford, Stanford University, Ph.D. dissertation, 253 p.Schmidt, J.M., 1986, Stratigraphic setting and mineralogy of the Arctic volcanogenic massive sulfide prospect, Ambler District, Alaska: Economic Geology and the Bulletin of the Society of Economic Geologists, vol.81, no.7, pp.1619-1643.Schmidt, J.M., 1981, Volcanogenic massive sulfide deposition in a rifted continental margin--The Arctic Camp deposit, southwestern Brooks Range, Alaska [abs.]: Geological Society of America Annual Meeting, Program with Abstracts, v. 13, no. 7, p. 548.