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Dempsey Pup

Prospect, Inactive

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Commodities and mineralogy

Main commodities Sb
Ore minerals stibnite
Gangue minerals quartz

Geographic location

Quadrangle map, 1:250,000-scale CI
Quadrangle map, 1:63,360-scale B-5
Latitude 65.34
Longitude -146.461
Nearby scientific data Find additional scientific data near this location
Location and accuracy East wall of East Fork of Sourdough Creek about 2 mi above the Steese Highway at 2000 ft elevation. NE1/4 NW1/4 sec. 23, T 6.N., R 6 E.

Geologic setting

Geologic description

Quartz vein containing small lenses and stringers of stibnite and possibly gold. The quartz vein is hosted in middle Paleozoic or older quartz schist, mica schist and marble of Yukon Crystalline terrane. Grab samples contained up to 28 percent Sb (Killeen and Mertie, 1951, Nokleberg and others, 1987).
Geologic map unit (-146.463467415156, 65.3396003468834)
Mineral deposit model Low-sulfide Au-quartz vein (Cox and Singer, 1986; model 39a)
Mineral deposit model number 36a

Production and reserves

Workings or exploration Explored by several short adits.
Indication of production Undetermined

Additional comments

Includes references to Sb lode on Sourdough Creek.

References

MRDS Number A012274

References

Berg, H.C., and Cobb, E.H., 1967, Metalliferous lode deposits of Alaska: U.S. Geological Survey Bulletin 1246, 254 p.
Cobb, E.H., 1972, Metallic mineral resources map of the Circle quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-391, 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 Circle quadrangle, Alaska: U.S. Geological Survey Open-File Report 76-633, 72 p.
Joesting, H.R., 1943, Strategic mineral occurrences in interior Alaska, supplement to pamphlet No. 1: Alaska Territorial Department of Mines Pamphlet 2, 31 p.
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.
Nokleberg, W.J., Bundtzen, T.K., Berg, H.C., Brew, D.A., Grybeck, D.J., Robinson, M.S., Smith, T.E., and Yeend, W., 1987, Significant metalliferous lode deposits and placer districts of Alaska: U.S. Geological Survey Bulletin 1786, 104 p., 2 plates, scale 1:5,000,000.
Reporters C.J. Freeman, J.R. Guidetti Schaefer, A.S. Clements (Avalon Development Corporation)
Last report date 9/8/1998