Mine detail: Half Dollar Creek

Previously called 'Two-Bit Gulch'

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Location: Circle County, Alaska, United States, North America
Lat / long: 65.42274, -144.79292
dep_id: 10308809
mrds_id: A012235
Commodity type: metallic
Major mineral: Gold
Operation type: Unknown
Development status: Past Producer
ore: Cassiterite, Gold, Scheelite
model: 119: Placer Au-PGE
Reporter: C.J. Freeman, J.R. Guidetti Schaefer, A.S. Clements
References:
  • Deposit:: Ellsworth, C.E., and Parker, G.L., 1911, Placer mining in the Yukon-Tanana region: U.S. Geological Survey Bulletin 480, 325 p.
  • Deposit:: Ellsworth, C.E., 1912, Placer mining in the Fairbanks and Circle Disctricts: U.S. Geological Survey Bulletin 520, p. 240-245.
  • Deposit:: Ellsworth, C.E., and Davenport, R.W., 1913, Placer mining in the Yukon-Tanana region: U.S. Geological Survey Bulletin 542, 303 p.
  • Deposit:: Brooks, A.H., 1914, Mineral resources of Alaska in 1913: U.S. Geological Survey Bulletin 592, p. 340-341.
  • Deposit:: Brooks, A.H., 1915, Mineral resources of Alaska in 1914: U.S. Geological Survey Bulletin 622, 238 p.
  • Deposit:: Smith, P.S., 1937, Mineral industry in Alaska in 1935: U.S. Geological Survey Bulletin 880-A, p. 1-95.
  • Deposit:: Smith, P.S., 1939, Mineral industry of Alaska in 1938: U.S. Geological Survey Bulletin 917-A, p. 1-113.
  • 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.
  • 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.
  • Deposit:: Cobb, E.H., 1973, Placer deposits of Alaska: U.S. Geological Survey Bulletin 1374, 213 p.
  • 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.
  • 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.
  • Deposit:: Barker, J.C., 1979, Trace element study of the Circle mining district, Alaska: U.S. Bureau of Mines Open-File Report 57-79, 74 p.
  • 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.
  • Deposit:: Bundtzen, T.K., and Henning, M.W., 1978, Barite in Alaska: Mines and Geology Bulletin, v. 27, no. 4, p. 1-4.
  • Deposit:: Yeend, W.E., 1991, Gold placers of the Circle district, Alaska - past, present, and future: U.S. Geological Survey Bulletin 1943, 42 p.
  • Deposit:: Wiltse, M.A., Reger, R.D., Newberry, R.J, Pessel, G.H., Pinney, D.S., Robinson, M.S., and Solie, D.N., 1995, Bedrock geologic map of the Circle mining district, Alaska: Alaska Division of Geological and Geophysical Surveys Report of Investigations 95-02b, 1 sheet, scale 1:63,360.
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