Commodities
PrimaryGold
SecondaryBismuth, Tellurium, Silver
Commodity typeM
Materials
Ore mineralsArsenopyrite, Bismuthinite, Boulangerite, Gold, Pentlandite, Pyrite, Pyrrhotite, Stibnite, Tetradymite, Tetrahedrite, Maldonite
GangueCalcite, Feldspar, Sericite
Geology
AlterationThe Dolphin deposit consists of multiple flooded zones of alternating silicification and sericitization, with local scheelite-bearing carbonate zones (Freeman and others, 1998). In some drill holes the silicification of the granodiorite results in near-complete obliteration of original igneous textures. Chloritic alteration is rare.
Economic & production
Development statusProspect
Identification
Deposit ID10308625
RegionNA
Data scoreB
Coordinates65.06168, -147.44696
References
Adams, D. A., 1997, Geologic report on the Golden Summit project, Fairbanks mining district, Alaska: unpublished report, 69 p. (Report held by Freegold Recovery Inc., USA, Vancouver, British Columbia.)Freeman, C.J., Flanigan, B., Currey, J., Wolf, K., and Wietchy D.W., 1998, 1997 and 1998 Final report, Golden Summit project, Fairbanks mining district, Alaska: Avalon Development Corp. Geologic Report GS98-1, 37 p. (Report held by Freegold Recovery Inc. USA, Vancouver, British Columbia.)Swainbank, R.C., Clautice, K.C., and Nauman, J.L., 1998, Alaska's Mineral Industry 1997: Alaska Division of Geological and Geophysical Surveys Special Report 52, 65 p.Szumigala, D.J., and Swainbank, R.C., 1999, Alaska's mineral industry 1998: Alaska Division of Geological and Geophysical Surveys Special Report SR 53, 71 p.