Unnamed Occurrence (ARDF - EA154; on Davis Dome), Fortymile District, Southeast Fairbanks Borough, Alaska, USA
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Geology: The rocks in the vicinity of this occurrence are black carbonaceous Nasina Series schist and quartzite (McConnell, 1905), which has Mississippian protolith ages (Mortensen, 1999). A quartz vein in carbonaceous schist assayed 30 ppb Au (Crock and others, 2000).
Workings: A quartz vein in carbonaceous schist assayed 30 ppb Au (Crock and others, 2000).
Age: Mississippian or younger.
Commodities (Major) - Au
Development Status: None
Mineral List
1 entry listed. 1 valid mineral.
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References
Crock, J.G., Gough, L.P., Wanty, R.B., Day, W.C., Wang, B., Gamble, B.M., Henning, M., Brown, Z.A., and Meier, A.L., 2000, Regional geochemical results from the analyses of rock, water, soil, stream sediments, and vegetation samples--Fortymile River watershed, east-central Alaska, 1998 sampling: U.S. Geological Survey Open-File Report 00-0511, 14 p. McConnell, R.G., 1905, Report on the Klondike gold fields: Geological Survey of Canada Annual Report, v. XII, 1901, Part B, 71 p. Mortensen, J.K. (compiler), 1999, Yukonage--An isotopic age database for the Yukon Territory, in Gordey, S.P., and Makepeace, A.J., compilers, Yukon Digital Geology: Indian and Northern Affairs Canada, Exploration and Geological Services Division, Yukon Region.
