Commodities
PrimarySilver, Gold
Commodity typeM
Deposit
Model53: Porphyry Cu105: Epithermal vein, generic
Materials
Ore mineralsPyrite
GangueMagnetite
Geology
AlterationDiorite shows alteration to epidote and chlorite, probably propylitic alteration. Partial leaching reported reported but not of what was leached.
Economic & production
Development statusOccurrence
Identification
Deposit ID10003265
MRDS IDA106008
RegionNA
Data scoreC
Coordinates53.91577, -166.76907
References
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Survey Bulletin 1028-S, p. 583-676.Christie, J.S., 1974, Aleut-Quintana-Duval 1974 joint venture, final report: Unpublished Quintana Minerals Corporation report, 24 p., 3 appendices, 2 maps.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.)