Commodities
PrimaryGold
SecondarySilver, Zinc, Arsenic
Commodity typeM
Deposit
Model273: Low-sulfide Au-quartz vein
Materials
Ore mineralsArsenopyrite, Pyrite, Sphalerite
GangueQuartz
Geology
Host rockGranite
Associated rockGranite
AlterationRossman (1959, B 1058-B, p. 56) reported alteration along the 4500-foot length of the structure. In general veins of the area are altered for as much as 10-15 feet on each side of the controlling fault structures; the alteration products include ankerite.
Economic & production
Development statusOccurrence
Identification
Deposit ID10002249
MRDS IDA013151
RegionNA
Data scoreC
Coordinates58.86, -136.88601
References
Rossman, Darwin, 1959, Geology and ore deposits in the Reid Inlet area, Glacier Bay, Alaska: U.S. Geological Survey Bulletin 1058-B, p. 33-58.Brew, D.A., Johnson, B.R., Grybeck, D., Griscom, A., Barnes, D.F., Kimball, A.L., Still, J.C., and Rataj, J.L., 1978, Mineral resources of the Glacier Bay National Monument Wilderness Study Area, Alaska: U.S. Geological Survey Open-File Report 78-494, 670 p.