The Tanana 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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Tanana MRDS details
Site Name
Primary: Tanana
Secondary: Grant
Secondary: Hirshberger
Commodity
Primary: Gold
Secondary: Tungsten
Location
State: Alaska
District: Fairbanks
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: W skarn
Orebody
Not available
Structure
Not available
Alterations
Alteration Text: Schist is soft, decomposed, and iron stained (Mertie, 1917).
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Gold
Ore: Scheelite
Comments
Comment (Exploration): Status = Inactive
Comment (Reference): Primary Reference = Mertie, 1917; Byers 1957
Comment (Geology): Geologic Description = The Tanana prospect lies along the western edge of a Cretaceous granite porphyry. Gold and tungsten are found in auriferous quartz-scheelite veinlets that cut decomposed schist (Mertie, 1917). Berg and Cobb (1967, p. 220), reported that the scheelite deposits were found in tactite, silicified limestone, granite dikes, pegmatitic dikes, and in small quartz veins in schist. The schistosity strikes N. 30 E. and dips 35 NW.; one gold-quartz vein strikes N. 8 W. and dips 60 E. (Mertie, 1917). In 1942 and 1943, the only workings that could be found were a caved shaft and several small prospect pits. These workings revealed little geologic information because they had become filled with slope wash and were overgrown with vegetation (Byers, 1957).
Comment (Deposit): Model Name = W skarn deposit (Cox and Singer, 1986; model 14a)
Comment (Workings): Workings / Exploration = Prospecting took place on five claims where six scheelite lodes were identified (Mertie, 1917). In 1942 and 1943, the workings included a caved shaft and several small prospect pits (Byers, 1957).
References
Reference (Deposit): Thorne, R.L., Muir, N.M., Erickson, A.W., Thomas, B. I., Hedie, H. E., and Wright, W. S., 1948, Tungsten deposits of Alaska: U.S. Bureau of Mines Report of Investigation 4174, 51 p.
Reference (Deposit): Mulligan, J.J., 1974, Mineral resources of the Trans-Alaska Pipeline corridor: U.S. Bureau of Mines Information Circular 8626, 24 p.
Reference (Deposit): Cobb, E.H., 1975, Mineral resources of Alaska, in Yount, M.E., ed., U.S. Geological Survey Alaska Program, 1975: U.S. Geological Survey Circular 722, p. 37.
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): Chapman, R.M., and Foster, R.L., 1969, Lode mines and prospects in the Fairbanks district, Alaska: U.S. Geological Survey Professional Paper 625-D, 25 p., 1 plate.
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): Mertie, J.B. Jr., 1917, Lode mining in the Fairbanks District, Alaska: U.S. Geological Survey Bulletin 662-H, p. 403-424.
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): Byers, F.M., Jr., 1957, Tungsten deposits in the Fairbanks district, Alaska: U.S. Geological Survey Bulletin 1024-I, p. 179-216.
Reference (Deposit): Thorne, R.L., Muir, N.M., Erickson, A.W., Thomas, B. I., Hedie, H. E., and Wright, W. S., 1948, Tungsten deposits of Alaska: U.S. Bureau of Mines Report of Investigation 4174, 22 p.
Reference (Deposit): Capps, S.R., 1924, Geology and mineral resources of the region traversed by the Alaska Railroad: U.S. Geological Survey Bulletin 755-C, p. 73-150.
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