The Sourdough 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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Sourdough Creek MRDS details
Site Name
Primary: Sourdough Creek
Commodity
Primary: Gold
Secondary: Tin
Secondary: Antimony
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: Placer Au-PGE
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Cassiterite
Ore: Gold
Ore: Scheelite
Ore: Stibnite
Comments
Comment (Deposit): Model Name = Placer gold deposit (Cox and Singer, 1986; model 39a)
Comment (Production): Production Notes = Total production is not known, but about 2850 oz gold was reportedly produced from 1937 to 1941. A few blocks of unmined ground remain mid-valley but the creek has been largely mined. Two hundred ounces of gold was produced from one 300 ft by 150 ft cut on the Discovery Claim (Eberlein and others, 1977, p. 24).
Comment (Exploration): Status = Inactive
Comment (Reference): Primary Reference = Eberlein and others, 1977.
Comment (Geology): Geologic Description = Bedrock in the area is schist,and, near the mouth of the creek a granitic pluton (Wedow and others, 1954, p. 8). A sample of granite talus contained stibnite and scheelite (Nelson and others, 1954). Joesting (1942) reported stibnite in placer concentrates and scarce cassiterite in placers. Placer gold was mined from 1932 to 1940 and intermittently from 1946 to 1959. Gravel is ten to eleven feet thick. Prospecting and maintenance work occurred in 1966. The creek has largely been mined out by surface workings (Eberlein and others, 1977, p. 24). Total production is not known, but about 2850 oz gold was reportedly produced from 1937 to 1941. A few blocks of unmined ground remain mid-valley but the creek has been largely mined. Two hundred ounces of gold was produced from one 300 ft by 150 ft cut on the Discovery Claim (Eberlein and others, 1977, p. 24).
Comment (Workings): Workings / Exploration = Placer gold was mined from 1932 to 1940 and intermittently from 1946 to 1959. Prospecting and maintenance work occurred in 1966. The creek has largely been mined out by surface workings (Eberlein and others, 1977, p. 24).
References
Reference (Deposit): Smith, P.S., 1939, Mineral industry of Alaska in 1937: U.S. Geological Survey Bulletin 910-A, p. 1-113.
Reference (Deposit): Smith, P.S., 1936, Mineral industry in Alaska in 1934: U.S. Geological Survey Bulletin 868-A, p. 1-91.
Reference (Deposit): Smith, P.S., 1937, Mineral industry in Alaska in 1935: U.S. Geological Survey Bulletin 880-A, p. 1-95.
Reference (Deposit): Lampright, R.L., 1996, Gold placer deposits near Fairbanks Alaska: Iron Fire Publications, Nederland, Colorado, 135 p.
Reference (Deposit): Smith, P.S., 1934, Mineral industry of Alaska in 1932: U.S. Geological Survey Bulletin 857-A, p. 1-91.
Reference (Deposit): Smith, P.S., 1934, Mineral industry of Alaska in 1933: U.S. Geological Survey Bulletin 864-A, p. 1-94.
Reference (Deposit): Cobb, E.H., 1973, Placer deposits of Alaska: U.S. Geological Survey Bulletin 1374, 213 p.
Reference (Deposit): Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Circle quadrangle, Alaska: U.S. Geological Survey Open-File Report 76-633, 72 p.
Reference (Deposit): Eberlein, G.D., Chapman, R.M., Foster, H.L., and Gassaway, J.S., 1977, Map and table describing known metalliferous and selected nonmetalliferous mineral deposits in central Alaska: U.S. Geological Survey Open-File Report 77-168-D, 132 p., 1 map, scale 1:1,000,000.
Reference (Deposit): Menzie, W.D., Foster, H.L., Tripp, R.B., and Yeend, W.E., 1983, Mineral resource assessment of the Circle quadrangle, Alaska: U.S. Geological Survey Open-File Report 83-170-B, 61 p., 1 sheet, 1:250,000.
Reference (Deposit): Cobb, E.H., 1972, Metallic mineral resources map of the Circle quadrangle, Alaska: U.S. Geological Survey Misc. Field Studies Map MF-391, 1 sheet, scale 1:250,000.
Reference (Deposit): Nelson, A.E., West, W.S., and Matsko, J.J., 1954, Reconnaissance for radioactive deposits in eastern Alaska: U.S. Geological Survey Circular 348, 21 p.
Reference (Deposit): Wedow, Helmuth, Jr., Killeen, P. L., and others, 1954, Reconnaissance for radioactive deposits in eastern interior Alaska, 1946: U.S. Geological Survey Circular 331, 36 p.
Reference (Deposit): Smith, P.S. 1939, Mineral industry in Alaska in 1937: U.S. Geological Survey Bulletin 910-A, p. 1-113.
Reference (Deposit): Smith, P.S., 1939, Mineral industry of Alaska in 1938: U.S. Geological Survey Bulletin 917-A, p. 1-113.
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