Commodities
PrimarySilver, Gold, Copper, Zinc
Commodity typeM
Deposit
Model85: Polymetallic veins
Materials
Ore mineralsArsenopyrite, Chalcopyrite, Pyrrhotite, Sphalerite
GangueCalcite, Quartz
Geology
Host rockSiltstone · Hazelton Group
Associated rockDiorite · Texas Creek
AlterationSlate and graywacke country rocks are impregnated with sulfide minerals.
Economic & production
Development statusProspect
Identification
Deposit ID10000206
MRDS IDA010243
RegionNA
Data scoreB
Coordinates56.06783, -130.21565
References
Buddington, A.F., 1925, Mineral investigations in southeastern Alasaka: U.S. Geological Survey Bulletin 773, p. 71-139.Buddington, A.F., 1929, Geology of Hyder and vicinity, southeastern Alaska, with a reconnaissance of Chickamin River: U.S. Geological Survey Bulletin 807, 124 p.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.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.