Commodities
PrimarySilver, Gold, Molybdenum
Commodity typeM
Deposit
Model53: Porphyry Cu105: Epithermal vein, generic
Materials
Ore mineralsPyrite
GangueChlorite, Epidote
Geology
AlterationRocks show propylitic alteration zoned from epidote on periphery to chlorite in interior. Argillic alteration occurs in innermost zones. Partial leaching was noted.
Economic & production
Development statusOccurrence
Identification
Deposit ID10003277
MRDS IDA106020
RegionNA
Data scoreD
Coordinates53.6991, -167.03572
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Survey Bulletin 1028-S, p. 583-676.Christie, J.S., 1974, Aleut-Quintana-Duval 1974 joint venture, final report: Unpublished Quintana Minerals Corporation report, 24 p., 3 appendices, 2 maps.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.)