The Unnamed (near Spruce Creek) is a gold 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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Unnamed (near Spruce Creek) MRDS details
Site Name
Primary: Unnamed (near Spruce Creek)
Commodity
Primary: Gold
Secondary: Antimony
Secondary: Silver
Secondary: Lead
Location
State: Alaska
District: Bonnifield
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
Ore: Arsenopyrite
Ore: Gold
Ore: Jamesonite
Ore: Scorodite
Comments
Comment (Exploration): Status = Inactive
Comment (Deposit): Model Name = Gold- and antimony-bearing veins in quartz-orthoclase-sericite schist.
Comment (Reference): Primary Reference = Joesting, 1943 (ATDM Pamph. 2)
Comment (Workings): Workings / Exploration = The only work that has been reported is hand samples taken of a vein for assay (Joesting , 1943 [ATDM 2, p. 14]).
Comment (Geology): Geologic Description = Bedrock in the area is gray quartz-orthoclase-sericite schist and augen gneiss of the California Creek Member of the Totalanika Schist (Wahrhaftig, 1970 [GQ-810]). Berg and Cobb (1967, p. 202-203) reported a few gold-bearing lodes and small jamesonite-bearing veins. Samples from an antimony-bearing vein contained 0.44 ounce of gold per ton and 5.4 ounces of silver per ton (Joesting, 1943 [ATDM Pamph. 2, p. 14]).
References
Reference (Deposit): Joesting, H.R., 1943, Strategic mineral occurrences in interior Alaska, supplement to pamphlet no. 1: Alaska Territorial Department of Mines Pamphlet 2, 26 p.
Reference (Deposit): Berg, H.C., and Cobb, E.H., 1967, Metalliferous Lode Deposits of Alaska. U.S. Geological Survey Bulletin 1246, 254 p.
Reference (Deposit): Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Fairbanks quadrangle, Alaska: U.S. Geological Survey Open-File Report 76-662, 174 p.
Reference (Deposit): Cobb, E.H., 1972, Metallic mineral resources map of the Fairbanks quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-410, 1 sheet, scale 1:250,000.
Reference (Deposit): Wahrhaftig, Clyde, 1970, Geologic map of the Fairbanks A-4 quadrangle, Alaska: U.S. Geological Survey Geologic Quadrangle Map GQ-810, 1 sheet, scale 1:63:360.
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