Mine detail: Makushin River

Previously called ''

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Location

Lat / long:

53.86577, -166.8024

Resource(M)

Primary:	Silver, Gold
Gangue:	Pyrite, Pyrrhotite

Production

Operation type:	Unknown
Development status:	Occurrence

Geology

Alteration processes:

Argillic alteration is characteristic with there being local development of silicification and sericitic alteration. Leaching (of sulfides?) is complete in fractures and only partial where they are disseminated (Christie, 1974).

References

MRDS	A106011
DEP	10003268
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Bulletin 1028-S, p. 583-676.}{Deposit:: Christie, J.S., 1974, Aleut-Quintana-Duval 1974 joint venture, final report: Unpublished Quintana Minerals Corporation report, 24 p., 3 appendices, 2 maps.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.)}
Reporter	Damon Bickerstaff, F.H. Wilson