Deposit
Model106: Epithermal vein, Creede150: Epithermal vein, Comstock
Materials
Ore mineralsArsenopyrite, Chalcopyrite, Gold, Pyrite, Stibnite
GangueQuartz
Geology
AlterationThe igneous rocks display intense levels of phyllic, silicic, and carbonate alteration. The sedimentary rocks exhibit local sericitic, silicic, carbonate, hornfels, and skarn alteration (Avalon Development, 1998; Duncan, 1999).
Economic & production
Development statusProspect
Identification
Deposit ID10308031
RegionNA
Data scoreB
Coordinates63.53916, -156.0257
References
McGinnis, M.F., McCoy, M.E., Nerup, M.R., and Barnett, D., 1997, Colorado Creek project Alaska, 1997 summary report: unpublished Placer Dome Exploration Inc. report, 37 p.Avalon Development Corp., 1998, Colorado Creek project, Ophir and Medfra quadrangles, southwest Alaska: report prepared for NovaGold Resources Inc., 9 p.Duncan, R.G., 1999, Colorado Creek project, Alaska, interim report: unpublished report for Poseidon Minerals Ltd., 22 p.Dashevsky, S.S., 2000, Colorado Creek project (Au) Innoko district, Alaska: unpublished report for Rosander Mining Company, 7 p.