Dempsey Pup

Prospect in Alaska, United States with commodity Antimony

Geologic information

Identification information

Deposit ID 10001527
MRDS ID A012274
Record type Site
Current site name Dempsey Pup

Geographic coordinates

Geographic coordinates: -146.46407, 65.3397 (WGS84)
Relative position 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.
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Geographic areas

Country State
United States Alaska


Commodity Importance
Antimony Primary

Materials information

Materials Type of material
Stibnite Ore
Quartz Gangue

Mineral occurrence model information

Model code 273
USGS model code 36a
Deposit model name Low-sulfide Au-quartz vein
Mark3 model number 27

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -146.46407, 65.3397

Comments on the geologic information

  • 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).

Economic information

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Circle

Comments on the workings information

  • Workings / Exploration = Explored by several short adits.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A012274
USGS Alaska Resource Data File ARDF CI016

Bibliographic references

  • Deposit

    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.

  • Deposit

    Berg, H.C., and Cobb, E.H., 1967, Metalliferous Lode Deposits of Alaska. U.S. Geological Survey Bulletin 1246, 254 p.

  • Deposit

    Cobb, E.H., 1972, Metallic mineral resources map of the Circle quadrangle, Alaska: U.S. Geological Survey Misc. Field Studies Map MF-391, 1 sheet, scale 1:250,000.

  • Deposit

    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.

  • Deposit

    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.

  • Deposit

    Joesting, H.R., 1943, Strategic mineral occurrences in interior Alaska, supplement to pamphlet no. 1: Alaska Territorial Department of Mines Pamphlet 2, 26 p.

Comments on the references

  • Primary Reference = Killeen and Mertie, 1951.

General comments

Subject category Comment text
Deposit Model Name = Low-sulfide Au-quartz vein (Cox and Singer, 1986; model 39a)
Deposit Other Comments = Includes references to Sb lode on Sourdough Creek.

Reporter information

Type Date Name Affiliation Comment
Reporter 08-SEP-98 C.J. Freeman Avalon Development Corporation
Reporter 08-SEP-98 J.R. Guidetti Schaefer Avalon Development Corporation
Reporter 08-SEP-98 Clements, A.S. Avalon Development Corporation