Commodities
PrimaryCopper, Gold, Silver
Commodity typeM
Deposit
Model53: Porphyry Cu105: Epithermal vein, generic
Materials
Ore mineralsChalcopyrite, Pyrite
GangueTourmaline
Geology
Host rockVolcanic Rock (Aphanitic),Volcanic Breccia (Agglomerate)
AlterationChristie (1974) reports minor epidote in southeast corner of occurrence, as well as chlorite, clay, and possibly sericite. This mineral assemblage suggests propylitic, argillic, and possibly sericitc alteration. Leaching is partial to locally complete in the anomaly.
Economic & production
Development statusOccurrence
Identification
Deposit ID10003357
MRDS IDA106108
RegionNA
Data scoreB
Coordinates54.94251, -163.07742
References
Christie, J.S., 1974, Aleut-Quintana-Duval 1974 joint venture, final report: Unpublished Quintana Minerals Corporation report, 24 p., 3 appendices, 2 maps.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.)MacKevett, E.M., Jr., and Holloway, C.D., 1977, Map showing metalliferous mineral deposits in the western part of southern Alaska: U.S. Geological Survey Open-File Report 77-169-F, 38 p., 1 sheet, scale 1:1,000,000.