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McNeil

Prospect, Inactive

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Alternative names

Branholm-Jenkins

Commodities and mineralogy

Main commodities Sb
Other commodities Pb
Ore minerals arsenopyrite; galena; jamesonite

Geographic location

Quadrangle map, 1:250,000-scale LG
Quadrangle map, 1:63,360-scale A-1
Latitude 65.077
Longitude -147.323
Nearby scientific data Find additional scientific data near this location
Location and accuracy Cobb (1972, MF-413), loc. 47; NW1/4NW1/4 sec. 22, T. 3 N., R. 2 E., of the Fairbanks Meridian. This location is a shaft at the head of the west fork of Too Much Gold Creek, a little below the summit of the divide to Wolf Creek, at an elevation of 2,250 feet. Accuracy is within 1,000 feet.

Geologic setting

Geologic description

This site consists of a quartz vein containing arsenopyrite, jamesonite, and galena, in quartz-mica schist (Hill, 1933, p. 104). The vein strikes N 60 W and dips 70 S.
Geologic map unit (-147.325448819591, 65.0765789909087)
Mineral deposit model Polymetallic quartz vein.

Production and reserves

Workings or exploration Workings consisted of a shaft, tunnel and surface pits. In 1931, the shaft was iced up and the tunnel caved at the mouth. The surface pits on the divide to the NW were also inaccessible (Hill, 1933).
Indication of production Undetermined
Production notes Mined by McNeil and Huddelson in 1915, but no record of production (Smith, 1917; BMB 142, p.23). Antimony ore may have been mined (Killeen and Mertie, 1951, p. 14).

References

MRDS Number A015453

References

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., 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.
Freeman, C.J., 1992, 1991 Golden Summit project final report, volume 2: Historical summary of lode mines and prospects in the Golden Summit project area, Alaska: Avalon Development Corp., 159 p. (Report held by Freegold Recovery Inc. USA, Vancouver, British Columbia.)
Hill, J.M., 1933, Lode deposits of the Fairbanks district, Alaska: U.S. Geological Survey Bulletin 849-B, p. 29-163.
Killeen, P.L., and Mertie, J.B., 1951, Antimony ore in the Fairbanks District, Alaska: U.S. Geological Survey Open-File Report 51-46, 43 p.
Mertie, J.B., Jr., 1918, Lode mining in the Fairbanks district, in Brooks, A.H., and others, Mineral resources of Alaska, report on progress of investigations in 1916: U.S. Geological Survey Bulletin 662, p. 403-424.
Smith, S.S., 1917, The mining industry in the territory of Alaska during the calendar year 1915: U.S. Bureau of Mines Bulletin 142, 66 p.
Reporters C.J. Freeman, J.R. Guidetti Schaefer (Avalon Development Corporation)
Last report date 5/4/1999