Mine detail: Pumicestone Bay

Previously called ''

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Location

Lat / long: 53.51854, -166.96016

Resource(M)

Primary: Silver, Gold
Ore: Chalcopyrite, Galena, Pyrite, Sphalerite
Gangue: Chlorite, Epidote, Magnetite, Specularite

Production

Operation type: Unknown
Development status: Prospect

Geology

Alteration processes:Rocks are regionally propylitically altered and also hornfelsed as a result of proximity to the Shaler batholith (Simpson, 1986). Highest gold grades are associated with zones of*yrite-silic*alteration in*potted andesit*(Simpson, 1986).

References

MRDSA106001
DEP10003259
Reference{Deposit:: Drewes, Harold, Fraser, G.D., Snyder, G.L., and Barnett, H.F., Jr., 1961, Geology of Unalaska Island and adjacent insular shelf, Aleutian Islands, Alaska: U.S. Geological Survey Bulletin 1028-S, p. 583-676.}{Deposit:: Christie, J.S., 1974, Aleut-Quintana-Duval 1974 joint venture, final report: Unpublished Quintana Minerals Corporation report, 24 p., 3 appendices, 2 maps. (Report held by the Aleut Corporation, Anchorage, Alaska.)}{Deposit:: Randolph, D.B., and Ellis, W.T., 1989, Unalaska project, 1989 final report: Battle Mountain Exploration Company, Alaska District, 41 p., 5 appendices, 11 plates, various scales. (Report held by the Aleut Corporation, Anchorage, Alaska.)}{Deposit:: Randolph, D.B., 1991, Unalaska project, 1990 final report: Battle Mountain Exploration Company, Alaska District, 62 p., 5 appendices, 15 plates, various scales. (Report held by the Aleut Corporation, Anchorage, Alaska.)}
ReporterF.H. Wilson