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  3. Alaska Resource Data File (ARDF)

Bedrock Creek

Mine, Active

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Commodities and mineralogy

Main commodities Au
Other commodities Sn; W
Ore minerals cassiterite; gold; scheelite

Geographic location

Quadrangle map, 1:250,000-scale LG
Quadrangle map, 1:63,360-scale A-1
Latitude 65.0655
Longitude -147.4414
Nearby scientific data Find additional scientific data near this location
Location and accuracy The coordinates are the approximate center of placered ground on Bedrock Creek, in the NW1/4NW1/4 sec. 30, T. 3 N., R. 2 E., of the Fairbanks Meridian. The location is accurate.

Geologic setting

Geologic description

As least some placer mining was done on Bedrock Creek as can be seen by the gravels there but details are lacking. Some placer gold was probably produced; cassiterite is common, but scheelite is scarce (Joesting, 1942; ATDM Pamphlet. 1, p. 32).
Geologic map unit (-147.443847913223, 65.0650767687765)
Mineral deposit model Gold (with cassiterite and scheelite) placer (Cox and Singer, 1986; model 39a).
Mineral deposit model number 39a
Age of mineralization Quaternary.

Production and reserves

Workings or exploration As least some placer mining took place as can be seen by the gravels there, but details are lacking.
Indication of production Undetermined
Production notes As least some gold was probably produced but details are lacking.

References

MRDS Number A015502; D002652

References

Brooks, A.H., 1923, The Alaska mining industry in 1921: U.S. Geological Survey Bulletin 739-A, p. 1-50.
Byers, F.M., Jr., 1957, Tungsten deposits in the Fairbanks district, Alaska: U.S. Geological Survey Bulletin 1024-I, p. 179-216.
Cobb, E.H., 1972, Metallic mineral resources map of the Livengood quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-413, 2 sheets, scale 1:250,000.
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.
Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Livengood quadrangle, Alaska: U.S. Geological Survey Open-File Report 76-819, 241 p.
Freeman, C.J., 2008, Executive summary report for the Golden Summit project, Fairbanks Mining District, Alaska: Unpublished Technical Report for Freegold Ventures Ltd., 112 p. (posted on www.sedar.com, March 31, 2008).
Joesting, H.R., 1942, Strategic mineral occurrences in interior Alaska: Alaska Territorial Department of Mines Pamphlet 1, 50 p. 
Reporters C.J. Freeman, J.R. Guidetti Schaefer (Avalon Development Corporation); D.J. Grybeck (Port Ludlow, WA)
Last report date 6/5/2008