Dempsey Pup Prospect, Circle Mining District, Fairbanks North Star Borough, Alaska, USA i
Regional Level Types
Dempsey Pup Prospect Prospect
Circle Mining District Mining District
Fairbanks North Star Borough Borough
Alaska State
USA Country

Includes references to Sb lode on Sourdough Creek.
Location: 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.
Geology: 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).
Workings: Explored by several short adits.

Commodities (Major) - Sb
Development Status: Undetermined
Deposit Model: Low-sulfide Au-quartz vein (Cox and Singer, 1986; model 39a)

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.

ⓘ Antimony

Mineral List

ⓘ Quartz

ⓘ Stibnite

2 valid minerals.

Detailed Mineral List:

ⓘ Quartz

Formula: SiO₂

References:

(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey

ⓘ Stibnite

Formula: Sb₂S₃

References:

(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘ	Stibnite	2.DB.05	Sb₂S₃
Group 4 - Oxides and Hydroxides
ⓘ	Quartz	4.DA.05	SiO₂

List of minerals for each chemical element

O	Oxygen
O	ⓘ Quartz	SiO₂
Si	Silicon
Si	ⓘ Quartz	SiO₂
S	Sulfur
S	ⓘ Stibnite	Sb₂S₃
Sb	Antimony
Sb	ⓘ Stibnite	Sb₂S₃

Other Databases

Link to USGS - Alaska:	CI016

Other Regions, Features and Areas containing this locality

North AmericaContinent

North America PlateTectonic Plate

North America PlatformPassive Margin
Yukon-Tanana lower DomainDomain

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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, 26 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.

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