Commodities
PrimaryMolybdenum, Copper, Gold
Deposit
Model80: Porphyry Mo, low-F85: Polymetallic veins273: Low-sulfide Au-quartz vein
Materials
Ore mineralsChalcopyrite, Molybdenite, Pyrite, Pyrrhotite
GangueQuartz
Geology
AlterationMetasedimentary rocks are contact metamorphosed to hornblende hornfels near intrusive contacts of Tertiary gabbro. Cretacous or younger quartz diorite at Carlanna Creek quarry is silicified.
Economic & production
Development statusProspect
Identification
Deposit ID10307653
Alternate namesCarlanna Creek, Hoadley Creek, Trapdoor, Little Sue
RegionNA
Data scoreB
Coordinates55.35974, -131.68177
References
U.S. Bureau of Mines, 1977, Claim map, Ketchikan quadrangle: U.S. Bureau of Mines Map 120, scale 1:250,000.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.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.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.