The Gold Cliff Premier is a copper, silver, gold, lead, and zinc 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
Elevation:
Commodity: Copper, Silver, Gold, Lead, Zinc
Lat, Long: 56.05306, -130.04389
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Gold Cliff Premier MRDS details
Site Name
Primary: Gold Cliff Premier
Commodity
Primary: Copper
Primary: Silver
Primary: Gold
Primary: Lead
Primary: Zinc
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
Alteration Type: L
Alteration Text: Intense pyritization of country rocks. Hostrock identified as quartzite may represent silicification of pelitic country rock.
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Chalcopyrite
Ore: Galena
Ore: Pyrite
Ore: Pyrrhotite
Ore: Sphalerite
Ore: Tetrahedrite
Gangue: Calcite
Gangue: Quartz
Comments
Comment (Deposit): Other Comments = Claims originally staked in 1920 and restaked in 1925 (Buddington, 1929, p. 90).
Comment (Deposit): Model Name = Polymetallic veins
Comment (Reference): Primary Reference = Buddington, 1929
Comment (Exploration): Status = Inactive
Comment (Workings): Workings / Exploration = Prospect was explored by opencuts, probably in the 1920's.? Early assays of samples of pyritized tuffaceous country rock showed as much as 1 oz Au and 3-4 oz Ag per ton.
Comment (Geology): Geologic Description = The country rocks in the area of the prospect are pelitic metasedimentary and subordinate andesitic metavolcanic strata of the Jurassic or older Mesozoic Hazelton Group; the Texas Creek Granodiorite, which underlies and locally intrudes the Hazelton; the Eocene Boundary Granodiorite, which intrudes the Hazelton and Texas Creek rocks; and still-younger Tertiary lamprophyre dikes that cut all of these rocks (Smith 1973, 1977; Koch, 1996).? the deposit (Buddington, 1929, p. 90) is in quartzite, tuff and slate cut by Triassic and Eocene porphyritic granodiorite dikes and consists of intensely fractured and pyritized quartzite, and of sheared tuffaceous rock mineralized with a 2.5 foot band of pyrite, quartz, and calcite. Samples of the mineralized band assayed as much as 1 oz Au and 3-4 oz Ag per ton. Elsewhere on the property, there is a narrow stringer of galena, and a 1-inch stringer of sphalerite, chalcopyrite, tetrahedrite, and pyrrhotite.
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., 1973, A Tertiary lamprophyre dike province in southeastern Alaska: Canadian Journal of Earth Sciences, v. 10, p. 408-420.
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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