Mine detail: Twin Lakes West

Previously called ''

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Location

Lat / long: 60.67944, -153.83269

Resource(M)

Primary: Zinc, Lead, Copper
Ore: Chalcopyrite, Galena, Hematite, Pyrite, Sphalerite
Gangue: Calcite, Chlorite, Epidote

Production

Operation type: Unknown
Development status: Occurrence

Geology

Alteration processes:The volcanic rocks have undergone epidote and chlorite alteration, silicification, and lesser sericitization.

References

MRDSA013025
DEP10308885
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:: 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 81-1343-A, 25 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 81-1343-B, 20 p.}
ReporterM.L. Miller; D.P. Bickerstaff