Mine detail: Amaknak Island

Previously called ''

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Location

Lat / long:

53.88411, -166.55072

Resource(M)

Primary:	Gold
Ore:	Gold, Pyrite
Gangue:	Quartz

Production

Operation type:	Unknown
Development status:	Occurrence

Geology

Host rock:	Unalaska Formation;Unalaska Formation;Unalaska Formation
Host type:	Andesite
Alteration processes:	Rocks are regionally propylitically altered or metamorphosed to low-grade. Area of locality is highly iron-stained. Christie (1974) reported the alteration assemblage of epidote-chlorite-kaolinite-pyrite accompanied by moderate to intense leaching.

References

MRDS	A013231
DEP	10002320
Reference	{Deposit:: Berg, H.C., and Cobb, E.H., 1967, Metalliferous Lode Deposits of Alaska. U.S. Geological Survey Bulletin 1246, 254 p.}{Deposit:: Cobb, E.H., 1972, Metallic mineral resources map of the Unalaska quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies MF-446, 1 sheet, scale 1: 250,000.}{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Bulletin 1028-S, p. 583-676.}{Deposit:: Christie, J.S., 1974, Aleut-Quintana-Duval 1974 joint venture, final report: Unpublished Quintana Minerals Corporation report, 24 p., 3 appendices, 2 maps.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.)}
Reporter	S.W. Bie, F.H. Wilson, Damon Bickerstaff, L.P. Niles