Commodities
PrimaryMolybdenum, Copper
Commodity typeM
Materials
Ore mineralsChalcopyrite, Malachite, Molybdenite
GanguePyrite
Geology
Host rockQuartz Monzonite
AlterationAlteration of the quartz monzonite porphyry has not been described but is probably present. The nearby volcanic rocks are probably also altered in addition to being pyritized.
Economic & production
Development statusProspect
Identification
Deposit ID10003127
MRDS IDA015659
RegionNA
Data scoreB
Coordinates63.44912, -171.5332
References
Patton, W.W., Jr., and Csejtey, Bela, Jr., 1971, Preliminary geologic investigations of western St. Lawrence Island, Alaska: U.S. Geological Survey Professional Paper 684-C, p. C1-C15.Patton, W.W., Jr., and Csejtey, Bela, Jr., 1972, Analyses of stream sediment and rock samples from St. Lawrence Island, Alaska, 1966-1971: U.S. Geological Survey Open-File Report 72-293, 78 p.Patton, W.W., Jr., and Csejtey, Bela, Jr., 1980, Geologic map of St. Lawrence Island, Alaska: U.S. Geological Survey Miscellaneous Investigation Series Map I-1203, scale 1:250,000.Cobb, E.H., 1980, Summaries of data and lists of references to metallic and selected nonmetallic mineral deposits in fifteen quadrangles in southwestern and west-central Alaska: U.S. Geological Survey Open-File Report 80-909, 103 p.Cobb, E.H., 1972, Metallic mineral resources map of the Saint Lawrence quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-465, 1 sheet, scale 1:250,000.