Mine detail: Windy Bay

Previously called ''

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Location

Lat / long: 56.14234, -158.78134

Resource(M)

Primary: Molybdenum, Copper
Ore: Chalcopyrite, Galena, Gold, Molybdenite, Pyrite, Pyrrhotite, Sphalerite
Gangue: Chlorite, Quartz

Production

Operation type: Unknown
Development status: Occurrence

Geology

Host rock:Naknek Formation;Naknek Formation;Naknek Formation;
Host type:Siltstone
Associated rock:Naknek Formation;Naknek Formation
Associated type:Black Shale
Alteration processes:Alteration in the intrusive consists of local zones containing chlorite, epidote, and secondary biotite. The sediments near the intrusive contact have been hornfelsed, silicified, and contain chlorite and secondary biotite.

References

MRDSA012450
DEP10001672
Reference{Deposit:: Fields, E.D., 1977, 1976 Annual report: Alaska search, Chignik area-Bristol Bay region: Bear Creek Mining Company, 44 p., 22 map sheets. (Report held by the Aleut Corporation, Anchorage, Alaska.)}{Deposit:: Anderson, G.D., Fitch, G.M., Lappie, D.W., Lindberg, P.A., and Fankhauser, R.E., 1979, Exploration and evaluation of Bristol Bay Native Corporation Lands, Vol. II, Book 1: prepared for Houston Oil and Minerals Company by Resource Associates of Alaska, 78 p. (Report held by Alaska Earth Science, Anchorage, Alaska.)}{Deposit:: Cox, D.P., Detra, D.E., and Detterman, R.L., 1981, Mineral resource maps of the Chignik and Sutwik Island quadrangles, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF- 1053-K, 2 map sheets, scale 1:250,000.}
ReporterS.H. Pilcher