Latitude: 65°1'26"N
Longitude: 147°28'40"W
Location: Cobb (1972, MF-413), loc. 31; SE1/4SE1/4 sec. 2, T. 2 N., R. 1 E., of the Fairbanks Meridian. This prospect is about one mile southeast of Pedro Dome, west of the Steese highway near mile post 18.
Geology: Scheelite occurs as sparsely disseminated grains in thin (less than 6 inches) pegmatite dikes intruding granodiortie. The dikes are related to a porphyritic granite nearby (Byers, 1957, p. 206).
Workings: Open cuts and several small trenches expose the dikes (Byers, 1957).
Commodities (Major) - W
Development Status: None
Deposit Model: Quartz-scheelite veins.
References
Byers, F.M., Jr., 1957, Tungsten deposits in the Fairbanks district, Alaska: U.S. Geological Survey Bulletin 1024-I, p. 179-216. Chapman, R.M., and Foster, R.L., 1969, Lode mines and prospects in the Fairbanks district, Alaska: U.S. Geological Survey Professional Paper 625-D, 25 p., 1 plate. Cobb, E.H., 1972, Metallic mineral resources map of the Livengood quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-413, 2 sheets, scale 1:250,000. Cobb, E.H., 1975, Mineral resources of Alaska, in Yount, M.E., ed., U.S. Geological Survey Alaska Program, 1975: U.S. Geological Survey Circular 722, p. 37. Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Livengood quadrangle, Alaska: U.S. Geological Survey Open-File Report 76-819, 241 p. Joesting, H.R., 1943, Strategic mineral occurrences in interior Alaska, supplement to pamphlet no. 1: Alaska Territorial Department of Mines Pamphlet 2, 26 p. Thorne, R.L., Muir, N.M., Erickson, A.W., Thomas, B. I., Hedie, H. E., and Wright, W. S., 1948, Tungsten deposits of Alaska: U.S. Bureau of Mines Report of Investigation 4174, 51 p. Wedow, Helmuth, Jr., Killeen, P. L., and others, 1954, Reconnaissance for radioactive deposits in eastern interior Alaska, 1946: U.S. Geological Survey Circular 331, 36 p.
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