Mine detail: Commonwealth

Previously called ''

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Location

Lat / long: 55.74977, -130.22174

Resource(M)

Primary: Zinc, Molybdenum, Copper, Gold
Ore: Chalcopyrite, Gold, Molybdenite, Pyrrhotite, Sphalerite
Gangue: Quartz

Production

Operation type: Unknown
Development status: Prospect

Geology

Host type:Quartzite
Associated type:Quartz Monzonite
Alteration processes:Weathered pyrrhotite gives a rusty color to the surface outcrop.

References

MRDSA012291
DEP10001544
Reference{Deposit:: 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.}{Deposit:: 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.}{Deposit:: Elliott, R.L., Berg, H.C., and Karl, Susan, 1978, map and table describing metalliferous and selected nonmetalliferous mineral deposits, Ketchikan and Prince Rupert quadrangles, Alaska: U.S. Geological Survey Open-file Report, 78-73-B,17 p., scale 1:250,000.}{Deposit:: Berg, H.C., Elliott, R.L., and Koch, R.D., 1988, Geologic map of the Ketchikan and Prince Rupert quadrangles, southeastern Alaska: U.S. Geological Survey Mineral Investigations Series Map MF-1807,27 p., scale 1:250,000.}
ReporterH.C. Berg