Columbia; Meier Prospect, Fairbanks District, Fairbanks North Star Borough, Alaska, USA
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Geology: The Columbia tungsten deposit consists of quartz-mica schist cut by quartz-scheelite stringers, under a hanging wall of porphyritic granite (Byers, 1957; Mertie, 1917). Workings in 1932 consisted of two adits, two shafts, a pit, and four trenches, all of which were caved by the 1950's (Byers, 1957).
Workings: The workings in 1932 consisted of two adits, two shafts, a pit, and four trenches, all of which were caved by the 1950's (Byers, 1957).
Commodities (Major) - W
Development Status: Undetermined
Deposit Model: W skarn deposit (Cox and Singer, 1986; model 14a)
1 entry listed. 1 valid mineral.
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Berg, H.C., and Cobb, E.H., 1967, Metalliferous lode deposits of Alaska: U.S. Geological Survey Bulletin 1246, 254 p. Byers, F.M., Jr., 1957, Tungsten deposits in the Fairbanks district, Alaska: U.S. Geological Survey Bulletin 1024-I, p. 179-216. Chapin, Theodore, 1919, Mining in the Fairbanks district: U.S. Geological Survey Bulletin 692-F, p. 321-327. 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 Fairbanks quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-410, 1 sheet, scale 1:250,000. Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Fairbanks quadrangle, Alaska: U.S. Geological Survey Open-File Report 76-662, 174 p. Mertie, J.B., Jr., 1918 (1917), Lode mining in the Fairbanks district, Alaska: U.S. Geological Survey Bulletin 662-H, p. 403-424. Mulligan, J.J., 1974, Mineral resources of the Trans-Alaska Pipeline corridor: U.S. Bureau of Mines Information Circular 8626, 24 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.