Mine detail: Twin Lakes West

Previously called ''

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Location

Lat / long: 60.67944, -153.83269

Resource(M)

Primary: Zinc
Secondary: Lead
Tertiary: Copper
Ore: Chalcopyrite, Galena, Hematite, Pyrite, Sphalerite
Gangue: Calcite, Chlorite, Epidote
Discovery year: 1976

Production

Operation type: Unknown
Production size: None
Development status: Occurrence

Geology

Host type:Rhyolite
Alteration processes:The Volcanic Rocks Have Undergone Epidote And Chlorite Alteration, Silicification, And Lesser Sericitization.

References

MRDSA013025
DEP10002134
Reference{Deposit:: Resource Associates of Alaska, Inc., 1976, Geology and geochemistry of certain land within the Lake Clark National Park: (Contract report for U.S. Bureau of Mines), 109 p.}{Deposit:: MacKevett and Holloway, 1977, Metalliferous mineral deposits in the western part of southern Alaska: U.S. Geological Survey Open-File Report 77-169F.}{Deposit:: Eakins, G.R., Gilbert W.G., and Buntzen, T.K., 1978, Preliminary bedrock geology and mineral resource potential of west-central Lake Clark quadrangle, Alaska: Alaska Division of Geological and Geophysical Surveys Open-File Report 118, 15 p.}{Deposit:: Cobb, E.H., and Reed, B.L., 1981, Summaries of data on and lists of references to metallic and selected nonmetallic mineral occurrences in the Iliamna, Lake Clark, Lime Hills, and McGrath quadrangles, Alaska - Supplement to Open-File Report 76-485: U.S. Geological Survey Open-File Report 81-1343B, 20 p.}{Deposit:: Cobb, E.H., and Reed, B.L., 1981, Summaries of data on and lists of references to metallic and selected nonmetallic mineral occurrences in the Iliamna, Lake Clark, Lime Hills, and McGrath quadrangles, Alaska - Supplement to Open-File Report 76-485: U.S. Geological Survey Open-File Report 81-1343A, 25 p.}{Deposit:: Nelson, W.H., King, H.D., Case, J.E., Tripp, R.B., Crim, W.D., and Cooley, E.F., 1985, Mineral resource map of the Lake Clark quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-1114-B, scale 1:250,000.}{Other Database:: BAG-MF-1114-B-11}
ReporterLeonard, Kenneth R. (Huber, Donald F.), Mosier, Dan, Miller, M.L. (Bickerstaff, Damon P.)