Antimony Ridge Prospect, Fairbanks District, Fairbanks North Star Borough, Alaska, USA
Location: The Antimony Ridge prospect is located in the W1/2NE1/4 sec. 21, T. 2 N., R. 1 W., Fairbanks Meridian. This prospect is near the top of the hill just south of the road at mile 4 on the Old Murphy Dome Road. This prospect is locality 22 of Cobb (1972 [MF 410]).
Geology: A shaft was sunk on stibnite-bearing breccia associated with a northeast-trending reverse fault that cuts schistose quartzite and mica schist (Chapman and Foster, 1969, p. D14). The vein trends N. 47 E., dipping 60 SE. (Pilkington and others, 1969). Stibnite occurs as lenses or nodules surrounded by sheared material. Channel samples across the vein range from 3.4 to 69.0 ppm gold with an average value of 16.1 ppm (Pilkington and others, 1969).
Workings: A shaft of unknown depth was reported (Chapman and Foster, 1969).
Commodities (Major) - Sb; (Minor) - Au
Development Status: Undetermined
Deposit Model: Simple Sb deposit (Cox and Singer, 1986; model 27d)
ReferencesChapman, 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. Pilkington, H.D., Forbes, R. B., Hawkins, D.B., Chapman, R.M., and Swainbank, R.C., 1969, Preliminary investigation of gold mineralization in the Pedro Dome-Cleary Summit area, Fairbanks District, Alaska: U.S. Geological Survey Open-File Report 69-206, 47 p.
| Gold|| Stibnite|
2 entries listed. 2 valid minerals.
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Locality Updated: St Michael's Mount, Mount's Bay District, Cornwall, England, UKFrom Peter Haas, 2nd Sep 2014 04:25:28