Commodities
PrimaryGold, Silver, Copper, Molybdenum
Commodity typeM
Deposit
Model53: Porphyry Cu105: Epithermal vein, generic
Materials
Ore mineralsPyrite
GangueChlorite, Epidote, Limonite
Geology
AlterationThe core of the occurrence shows intense silicification and on the periphery, the development of chlorite and epidote indicate propylitic alteration. Leaching is complete in the area of interest.
Economic & production
Development statusOccurrence
Identification
Deposit ID10003279
MRDS IDA106021
RegionNA
Data scoreB
Coordinates53.68243, -166.93572
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Survey Bulletin 1028-S, p. 583-676.Christie, J.S., 1974, Aleut-Quintana-Duval 1974 joint venture, final report: Unpublished Quintana Minerals Corporation report, 24 p., 3 appendices, 2 maps.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.)