The Silver Horn is a molybdenum 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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Silver Horn MRDS details
Site Name
Primary: Silver Horn
Commodity
Primary: Molybdenum
Secondary: Zinc
Secondary: Mercury
Location
State: Alaska
District: Bristol Bay region
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Years of Production:
Organization:
Significant:
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Not available
Comments
Comment (Reference): Primary Reference = Eakin, 1968
Comment (Workings): Workings / Exploration = Some surface prospecting and a reconnaissance geochemical survey has been completed in this area (Eakin, 1968).
Comment (Exploration): Status = Inactive
Comment (Geology): Geologic Description = Cobb (1972 [MF 375]) identified this as a molybdenum occurrence reported in a written communication from W. H. Waskey in 1935 (probably to J. B. Mertie Jr.). The general area is one where a Cretaceous or Tertiary granitic pluton (Mertie, 1938) sharply intrudes what are probably Middle Jurassic to Lower Cretaceous clastic sedimentary rocks and interbedded volcanic rocks like those in the eastern part of the Hagemeister Island quadrangle (KJvs unit of Hoare and Coonrad, 1978). According to Mertie's (1938) geologic map of this area, most of this unnamed drainage is within the granitic pluton. Eakin (1968) collected stream sediment samples around Silver Horn. The only slightly anomalous molybdenum value (5 ppm) in all of Eakin's samples is from south of Silver Horn; weakly anomalous zinc and several anomalous mercury values were also obtained by Eakin (1968) in his samples south of Silver Horn. Eakin (1968) cautioned that the analytical technique used for his mercury determinations had potential pitfalls. However, field tests showed the expected anomalous mercury results in areas of known mineralization (Red Top mine, DI002) and follow-up geochemical studies (Eakin, 1969) roughly duplicated earlier anomalous mercury results in the southern Lake Aleknagik area.
Comment (Geology): Age = Cretaceous or Tertiary ; mineralization in this area may be related to the Cretaceous or Tertiary granitic pluton that sharply crosscuts clastic sedimentary rocks.
References
Reference (Deposit): Eakins, G.R., 1969, Supplement to Geochemical Report No. 17, a geochemical investigation of the Wood River-Tikchik Lakes area, southwestern Alaska: Alaska Division of Mines and Geology, 6 p.
Reference (Deposit): Mertie, J.B., Jr., 1938, The Nushagak district, Alaska: U.S. Geological Survey Bulletin 903, 96 p.
Reference (Deposit): Cobb, E.H., 1972, Metallic mineral resources map of the Dillingham quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-375, 1 sheet, scale 1:250,000.
Reference (Deposit): Hoare, J.M., and Coonrad, W.L., 1978, Geologic map of the Goodnews and Hagemeister Island quadrangles region, southwestern Alaska: U.S. Geological Survey Open-File Report 78-9-B, two sheets, scale 1:250,000.
Reference (Deposit): Eakins, G.R., 1968, A geochemical investigation of the Wood River-Tikchik area, southwestern Alaska: Alaska Division of Mines and Minerals, Geochemical Report 17, 31 p.
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