Commodities
PrimaryCopper
SecondaryGold
Deposit
Model58: Porphyry Cu, skarn-related
Materials
Ore mineralsChalcopyrite, Gold, Magnetite, Malachite, Pyrite
GangueGarnet
Geology
AlterationContact metamorphism; formation of fine-grained garnet in limestone adjacent to quartz diorite.
Economic & production
Development statusProspect
Identification
Deposit ID10307492
RegionNA
Data scoreB
Coordinates62.98969, -144.05265
References
Cobb, E.H., 1979, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Gulkana quadrangle, Alaska: U.S. Geological Survey Open-File Report 79-1247, 36 p.MacKevett, E.M., Jr., and Holloway, C.D., 1977, Map showing metalliferous and selected non-metalliferous mineral deposits in the eastern part of southern Alaska: U.S. Geological Survey Open-File Report 77-169-A, 99 p., 1 sheet, scale 1:1,000,000.Richter, D.H., and Matson, N.A., Jr., 1972, Metallic mineral resources map of the Gulkana quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-419, 1 sheet, scale 1:250,000.