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Unnamed Occurrence (ARDF - ID014; on divide between Billy Goat and Ganes Creek in Beaver Mountains), Iditarod District, Yukon-Koyukuk Borough, Alaska, USA

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Location: This occurrence is at an elevation of about 3,200 feet in the southeastern Beaver Mountains. It is about 0.7 mile north-northeast of peak 3410, about 0.9 mile west of peak 2910, and about 0.3 mile east-northeast of the center of section 35, T. 32 N., R. 41 W., of the Seward Meridian.
Geology: This occurrence consists of a stockworks of quartz-tourmaline-chalcopyrite veins in altered lapilli tuff of the Beaver Mountains volcanic field (Bundtzen and Laird, 1982; Miller and Bundtzen, 1988, 1994; Szumigala, 1993). No size or structural information is available. A grab sample of the mineralization collected by Battle Mountain Mining Company contained 1,569 parts per billion (ppb) gold, 194.0 parts per million (ppm) silver, 2,715 ppm copper, 5,449 ppm lead, 304 ppm zinc, and 123 ppm arsenic (Szumigala, 1993).
Workings: Surface samples were collected by Battle Mountain Mining Company in 1990 (Szumigala, 1993).
Age: Unknown; the nearby Beaver Mountains stock, which probably underlies the area is 70.9 Ma (Miller and Bundtzen, 1994).
Alteration: Development of veins of quartz-tourmaline greisen.

Commodities (Major) - Ag, Au; (Minor) - As, Cu, Pb, Zn
Development Status: None
Deposit Model: Polymetallic vein? (Cox and Singer, 1986; model 22c).

Mineral List

3 entries listed. 2 valid minerals.

The above list contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


Bundtzen, T.K., and Laird, G.M., 1982, Geologic map of the Iditarod D-2 and eastern D-3 quadrangles, Alaska: Alaska Division of Geological and Geophysical Surveys Geologic Report 72, 1 sheet, scale 1:63,360. Miller, M.L., and Bundtzen, T.K., 1988, Right lateral offset solution for the Iditarod-Nixon Fork fault, western Alaska: U.S. Geological Survey Circular 1016, p. 99-103. Miller, M.L., and Bundtzen, T.K., 1994, Generalized geologic map of the Iditarod quadrangle, Alaska showing potassium-argon, major oxide, trace element, fossil, paleocurrent, and archeological sample localities: U.S. Geological Survey Miscellaneous Field Studies Map MF-2219-A, 48 pages; 1 sheet, scale 1:250,000. Szumigala, D.J., 1993, Gold mineralization related to Cretaceous-Tertiary magmatism in the Kuskokwim Mountains of west-central and southwestern Alaska: Los Angeles, University of California Ph.D. dissertation, 300 p.

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