Mine detail: Portage Creek

Previously called 'H. C. Carsten Operation'

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Location

Lat / long: 65.46168, -144.61569

Resource(M)

Primary: Gold
Tertiary: Tin, Tungsten, Uranium, REE
Ore: Gold
Gangue: Allanite, Garnet, Hematite, Ilmenite, Magnetite, Pyrite, Sphene, Topaz, Zircon
Other material: Bismuthinite, Cassiterite, Monazite, Scheelite, Wolframite
Discovery year: 1950

Production

Operation type: Unknown
Production size: Medium
Development status: Producer
First production started: 1906

Geology

Host type:Gravel

References

MRDSA012236
DEP10001481
Reference{Deposit:: Brooks, A. H., 1907, The Circle precinct, Alaska: U.S. Geological Survey Bulletin 314, p. 187-204.}{Deposit:: Ellsworth, C. E. and Davenport, R. W., 1913, Placer mining in the Yukon-Tanana Region: U.S. Geological Survey Bulletin 542, p. 203-222.}{Deposit:: Chapin, T., 1914, Placer mining in the Yukon-Tanana region: U.S. Geological Survey Bulletin 592, p. 357-362.}{Deposit:: Smith, P. S., 1934, Mineral industry of Alaska in 1933: U.S. Geological Survey Bulletin 864-A, p. 1-81}{Deposit:: Mertie, J. B. Jr., 1938, Gold placers of the Fortymile, Eagle, and Circle districts, Alaska: U.S. Geological Survey Bulletin 897-C, p. 133-261.}{Deposit:: Smith, P.S., 1938, Mineral industry of Alaska in 1936: U.S. Geological Survey Bulletin 897-A, p. 1-107.}{Deposit:: Smith, P. S., 1939, Mineral industry of Alaska in 1938: U.S. Geological Survey Bulletin 917-A, p. 1-106.}{Deposit:: Smith, P. S., 1939, Mineral industry of Alaska in 1937: U.S. Geological Survey Bulletin 910-A, p. 1-106.}{Deposit:: Smith, P. S., 1941, Mineral industry of Alaska in 1939: U.S. Geological Survey Bulletin 926-A, p. 1-97.}{Deposit:: Joesting, H. R., 1942, Strategic mineral occurrences in interior Alaska: Alaska Department of Mines Pamphlet 1, 26 p.}{Deposit:: Smith, P. S., 1942, Mineral industry of Alaska in 1940: U.S. Geological Survey Bulletin 933-A, p. 1-94.}{Deposit:: Bates, R. G. and Wedow, Helmuth, Jr., 1953, Preliminary summary review of thorium-bearing mineral occurrences in Alaska: U.S. Geological Survey Circular 202, 13 p.}{Deposit:: Wedow, Helmuth, Jr., 1953, Preliminary summary of reconnaissance for uranium and thorium in Alaska, 1952: U.S. Geological Survey Circular 248, 15 p.}{Deposit:: Nelson, A. E., West, W. S., and Matzko, J. J., 1954, Reconnaissance for radioactive deposits in eastern Alaska, 1952: U.S. Geological Survey Circular 348, 21 p.}{Deposit:: Wedow, Helmuth, Jr. and Killeen, P. L., 1954, Reconnaissance for radioactive deposits in eastern interior Alaska, 1946: U.S. Geological Survey Circular 331, 36 p.}{Deposit:: Berg, H. C. and Cobb, E. H., 1967, Metalliferous lode deposits of Alaska: U.S. Geological Survey Bulletin 1246, 254 p.}{Deposit:: Overstreet, W. C., 1967, The geologic occurrence of monazite: U.S. Geological Survey Professional Paper 530, 327 p.}{Deposit:: Cobb, E. H., 1972, Metallic mineral resources map of the Circle quadrangle, Alaska: U.S. Geological Survey Misc. Field Studies Map 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 77-168D, 132 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:: Yeend, W. E., 1991, Gold placers of the Circle district, Alaska - past, present, and future: U.S. Geological Survey Bulletin 1943, 42 p.}{Deposit:: Swainbank, R. C., Bundtzen, T. K., Clough A.H., Henning, M. W., and Hansen E.W., 1994, Alask* mineral industry 1994: Alaska Division of Geological and Geophysical Surveys Special Report 49, 77 p.}{Deposit:: Lampright, R. L., 1996, Gold placer deposits near Fairbanks Alaska: Iron Fire Publications, Nederland, Colorado, 135 p.}{Deposit:: Wedow, Helmuth, Jr. and White, M. G., 1954, Reconnaissance for radioactive deposits in east-central Alaska, 1949: U.S. Geological Survey Circular 335, 22 p.}{Other Database:: BAG-OFR-83-170B-90}
ReporterLeonard, Kenneth R. (Elliott, R. L.), C.J. Freeman, J.R. Guidetti Schaefer, A.S. Clements