Commodities
PrimaryLead, Silver, Zinc
Commodity typeM
Deposit
Model85: Polymetallic veins
Materials
Ore mineralsChalcopyrite, Galena, Pyrite, Sphalerite, Tetrahedrite
GangueQuartz
Geology
Host rockArgillite
Associated rockDiorite · Texas Creek Granodiorite
AlterationThe quartzite hostrock may reflect silicification of pelitic country rock.
Economic & production
Development statusProspect
Identification
Deposit ID10000214
MRDS IDA010251
RegionNA
Data scoreB
Coordinates56.07588, -130.18287
References
Buddington, A.F., 1925, Mineral investigations in southeastern Alasaka: U.S. Geological Survey Bulletin 773, p. 71-139.Buddington, A.F., 1926, Mineral investigations in southeastern Alaska: U.S. Geological Survey Bulletin 783, p. 41-62.Smith, J.G., 1977, Geology of the Ketchikan D-1 and Bradfield Canal A-1 quadrangles, Alaska: U.S. Geological Survey Bulletin 1425, 49 p.Elliott, R.L., and Koch, R.D., 1981, Mines, prospects, and selected metalliferous mineral occurrences in the Bradfield Canal quadrangle, Alaska: U.S. Geological Survey Open-File Report 81-728-B, 23 p., 1 sheet, scales 1:250,000 and 1:63,360.Maas, K.M., Bittenbender, P E., and Still, J.C., 1995, Mineral investigations in the Ketchikan mining district, southeastern Alaska: U.S. Bureau of Mines Open-File Report 11-95, 606 p.Koch, R.D., 1996, Reconnaissance geologic map of the Bradfield Canal quadrangle, southeastern Alaska: U.S. Geological Survey Open-File Report 81-728-A, 35 p., 1 sheet, scale 1:250,000.