The Sunset is a silver and lead 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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Sunset MRDS details
Site Name
Primary: Sunset
Commodity
Primary: Silver
Primary: Lead
Secondary: Barium-Barite
Location
State: Alaska
District: Hyder
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: Polymetallic veins
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Galena
Ore: Pyrite
Gangue: Quartz
Comments
Comment (Workings): Workings / Exploration = Early workings consisted of minor surface stripping.
Comment (Reference): Primary Reference = Buddington, 1929
Comment (Exploration): Status = Inactive
Comment (Geology): Geologic Description = The country rocks in the area of the Sunset prospect are pelitic metasedimentary and subordinate andesitic metavolcanic strata of the Jurassic or older Mesozoic Hazelton Group, which is underlain and locally intruded by the Triassic Texas Creek Granodiorite (Smith, 1977; Koch, 1996).? the deposit (Buddington, 1929, p. 109) consists of two sulfide-bearing quartz veins in Texas Creek Granodiorite near an isolated roof pendant of argillite and graywacke. One vein is 1-3 feet thick, has been traced on the surface for about 900 feet, and contains local concentrations of galena and pyrite. At one place, a shattered zone 20 feet wide contains about a five-foot width of quartz stringers carrying galena and pyrite. The other vein is about 3 feet thick, has been traced in outcrop for about 600 feet, and contains locally disseminated pyrite and a lens 4 inches thick and 12 feet long of pyrite, galena, and barite.
Comment (Deposit): Other Comments = Elliott and Koch (1981, p. 13. loc. 41) show silver as a queried commodity at the Sunset prospect, but do not mention silver in their description of the deposit. Silver also is not mentioned in any of the earlier published descriptions of the prospect.
Comment (Deposit): Model Name = Polymetallic veins
References
Reference (Deposit): Buddington, A.F., 1929, Geology of Hyder and vicinity, southeastern Alaska, with a reconnaissance of Chickamin River: U.S. Geological Survey Bulletin 807, 124 p.
Reference (Deposit): Smith, J.G., 1977, Geology of the Ketchikan D-1 and Bradfield Canal A-1 quadrangles, Alaska: U.S. Geological Survey Bulletin 1425, 49 p.
Reference (Deposit): Elliott, R.L., and Koch, R.D., 1981, Mines, prospects, and selected metalliferous mineral occurrences in the Bradfield Canal quadrangle, Alaska: U.S. Geological Survey Open-File Report 81-728-B, 23 p., 1 sheet, scales 1:250,000 and 1:63,360.
Reference (Deposit): Koch, R.D., 1996, Reconnaissance geologic map of the Bradfield Canal quadrangle, southeastern Alaska: U.S. Geological Survey Open-File Report 81-728-A, 35 p., 1 sheet, scale 1:250,000.
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