Commodities
PrimaryZinc, Lead, Copper
Commodity typeM
Deposit
Model184: Massive sulfide, kuroko187: Massive sulfide, Sierran kuroko
Materials
Ore mineralsChalcopyrite, Galena, Pyrite, Sphalerite
Geology
Host rockRhyolite
Associated rockRhyolite
AlterationOutcrop is iron-stained, probably from weathering of sulfides.
Economic & production
Development statusOccurrence
Identification
Deposit ID10000275
MRDS IDA010318
RegionNA
Data scoreB
Coordinates56.38085, -132.90075
References
Berg, H. C., and Grybeck, Donald, 1980, Upper Triassic volcanogenic Zn-Pb-Ag (-Cu-Au) mineral deposits near Petersburg, Alaska: U.S. Geological Survey Open-File Report 80-527, 11 p., 1 oversize sheet.Berg, H.C., 1981, Upper Triassic volcanogenic massive sulfide metallogenic province identified in southeastern Alaska, in Albert, N.R.D., and Hudson, T.L., eds., The United States Geological Survey in Alaska: accomplishments during 1979: U.S. Geological Survey Circular 823-B, p. B104-B108.Grybeck, D.J., Berg, H.C., and Karl, S.M., 1984, Map and description of the mineral deposits in the Petersburg and eastern Port Alexander quadrangles: U.S. Geological Survey Open-File Report 84-837, 86 p., 1 sheet, scale 1:250,000.