The Widstedt No. 1 is a antimony mine located in Alaska.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
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Widstedt No. 1 MRDS details
Site Name
Primary: Widstedt No. 1
Commodity
Primary: Antimony
Secondary: Gold
Location
State: Alaska
District: Nome
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Prospect
Operation Type: Unknown
Years of Production:
Organization:
Significant:
Physiography
Not available
Mineral Deposit Model
Model Name: Simple Sb (veins, pods, etc)
Orebody
Not available
Structure
Not available
Alterations
Alteration Text: Silicification and sulfidization of graphitic schist.
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Arsenopyrite
Ore: Jarosite
Ore: Kermesite
Ore: Pyrite
Ore: Stibiconite
Ore: Stibnite
Gangue: Quartz
Comments
Comment (Deposit): Model Name = Simple Sb deposits (Cox and Singer, 1986; model 27d).
Comment (Workings): Workings / Exploration = The antimony-bearing shear zone was explored by workings as early as 1899; antimony prospecting continued through World War I.
Comment (Exploration): Status = Probably inactive
Comment (Reference): Primary Reference = Cathcart, 1922
Comment (Geology): Geologic Description = The Widstedt No. 1 (Widstedt tunnel) prospect is in the Anvil Creek fault zone (Mertie, 1918 [B 662-I, p. 430]; Cathcart, 1922, p. 238-239; Hummel, 1962 [MF 247]). At the prospect, graphitic schist is contorted, broken, and commonly stained with jarosite, probably after very fine grained pyrite. Locally a bright yellow mineral and a red mineral are associated with veinlets of stibnite. The yellow and red minerals are herein inferred, respectively, to be stibiconite and kermesite, minerals formed by the oxidation of stibnite. A 70-foot crosscut was driven by J.C. Widstedt in 1899, and several tons of stibnite ore were produced from the workings. Coarsely crystalline stibnite occured in kidneys enveloped in pyrite and arsenopyrite-bearing schist. Maximum gold assays reportedly exceeded 3 ounces per ton; silver and some copper were also reported. In general, however, the deposit appears to contain little gold.
Comment (Geology): Age = Probably mid-Cretaceous or younger; see NM207.
References
Reference (Deposit): Cobb, E.H., 1972, Metallic mineral resources map of the Nome quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-463, 2 sheets, scale 1:250,000.
Reference (Deposit): Cobb, E.H., 1978, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Nome quadrangle, Alaska: U.S. Geological Survey Open-File report 78-93, 213 p.
Reference (Deposit): Hummel, C.L., 1962, Preliminary geologic map of the Nome C-1 quadrangle, Seward Peninsula, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-247, 1 sheet, scale 1:63,360.
Reference (Deposit): Mertie, J.B., Jr., 1918, Placer mining on Seward Peninsula: U.S. Geological Survey Bulletin 662, p. 451-458.
Reference (Deposit): Cathcart, S.H., 1922, Metalliferous lodes in southern Seward Peninsula: U.S. Geological Survey Bulletin 722, p. 163-261.
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