Alaska
Past Producer

Omilak

Alaska, United States
LeadAntimonySilverGoldCopper
⌖ Show on mapUSGS source ↗
Commodities
PrimaryLead, Antimony, Silver
SecondaryGold, Copper
Commodity typeM
Deposit
Model72: Polymetallic replacement85: Polymetallic veins
Materials
Ore mineralsCerussite, Chalcopyrite, Stibnite, Silver, Galena
GangueArsenopyrite, Limonite, Pyrite, Pyrrhotite
Geology
AlterationThe deposits are variably oxidized with secondary iron oxides and lead carbonates developed.
Economic & production
Development statusPast Producer
Identification
Deposit ID10100984
MRDS IDA012745
RegionNA
Data scoreA
Coordinates65.04242, -162.66329
References
Brooks, A.H., Richardson, G. B., and Collier, A. J., 1901, Reconnaissance in the Cape Nome and Norton Bay regions, Alaska, in 1900: U.S. Geological Survey Special Publication, p. 1-180.Mendenhall, W.C., 1901, A reconnaissance in the Norton Bay region, Alaska, in 1900, in Brooks, A.H., Richardson, G.B., Collier, A.J., and Mendenhall, W.C., Reconnaissance in the Cape Nome and Norton Bay regions, Alaska, in 1900: U.S. Geological Survey Special Publication, p. 181-222.Smith, P.S. and Eakin, H.M., 1911, Mineral resources of Alaska 1910: U.S. Geological Survey Bulletin 480, 333 p..Mulligan, J.J., 1962, Lead-silver deposits in the Omilak area, Seard Peninsula, Alaska: U.S. Bureau of Mines Report of Investigations 6018, 44 p.Cobb, E.H., 1975, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Bendeleben quadrangle, Alaska: U.S. Geological Survey Open-File Report 75-429, 123 p.Briskey, J.A., 1983, Summary of field observations on Seward Peninsula mineral deposits: U.S. Geological Survey, unpublished administrative report, 34 p.Till, A.B., Dumoulin, J.A., Gamble, B. ., Kaufman, D.S., and Carroll, P.I., 1986, Preliminary geologic map and fossil data, Soloman, Bendeleben, and southern Kotzebue quadrangles, Seward Peninsula, Alaska: U.S. Geological Survey Open-File Report 86-276, 10 p., 3 plates, scale 1:250,000.Cobb, E.H., 1972, Metallic mineral resources map of the Bendeleben quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-417, 1 sheet, scale 1:250,000.Herried, G.H., 1965, Geology of the Omilak-Otter Creek area, Bendeleben quadrangle, Alaska: Alaska Division of Mines and Minerals Geological Report 11, 12 p., 1 sheet, scale 1:63,360.