 | | Report (issue) | | Kenai quadrangle Descriptions of the mineral occurrences shown on the accompanying figure follow. See...occurrences throughout Alaska. Distribution of mineral occurrences in the Kenai l:250,000-scale quadrangle...quadrangle, southcentral Alaska This and related reports are accessible through the USGS World Wide Web site...compilation is authored by: Jeff Huber Anchorage, Alaska Location (tf nup Biea In Aluki This report is...the U.S. Government. OPEN-FILE REPORT 99-393 Alaska Resource Data File KN001 Site name(s): Indian |  | | Journal (article/letter/editorial) | | EconomicGeology Vol. 82, 1987, pp. 894-914 The JohnsonRiver Prospect,Alaska:Gold-Rich Sea-Floor Mineralization from...Abstract TheJohnson Riverprospect ontheAlaskan peninsula isanunusually wellpreserved Jurassic example ofgold-rich...volcaniclastic rocks.The mineralization at the Johnson prospectformsa discordant quartzsulfidestockworkbodyin...of sulfatefar exceedsthat of totalsulfideat the Johnson Riverprospect.The anhydrite-bearing assemblages...prospectwasdiscovered in 1975 by Resource Associates of Alaska who were under contract to the CookInlet RegionalCorporation |  | Nokleberg, W.J., Bundtzen, T.K., Grybeck, D.J., Koch, R.D., Eremin, R.A., Rozenblum, I.S., Sidorov, A.A., Byalobzhesky, S.G., Sosunov, G.M., Shpikerman, V.I., Gorodinksy, M.E. (1993) Metallogenesis of mainland Alaska and the Russian Northeast. Open-File Report Vol. 1993 (93-339) US Geological Survey doi:10.3133/ofr93339 | Report (issue) | | GEOLOGICAL SURVEY PREPARED IN COLLABORATION WITH ALASKA DIVISION OF GEOLOGICAL AND GEOPHYSICAL SURVEYS...NORTHEASTERN RUSSIA METALLOGENESIS OF MAINLAND ALASKA AND THE RUSSIAN NORTHEAST By Warren J. Noklebergl...and Richard D. Koch 1 1-U.S. Geological Survey ^-Alaska Division of Geological and Geophysical Surveys...OPEN-FILE REPORT 93-339 PREPARED IN COLLABORATION WITH ALASKA DIVISION OF GEOLOGICAL AND GEOPHYSICAL SURVEYS...LODE DEPOSITS AND PLACER DISTRICTS FOR MAINLAND ALASKA AND THE RUSSIAN NORTHEAST By Warren J. Nokleberg1 |  | Nokleberg, Warren J., Bundtzen, Thomas K., Dawson, Kenneth M., Eremin, Roman A., Goryachev, Nikolai A., Koch, Richard D., Ratkin, Vladimir V., Rozenblum, Ilya S., Shpikerman, Vladimir I., Frolov, Yuri F., Gorodinsky, Mary E., Melnikov, Vladimir D., Ognyanov, Nikolai V., Petrachenko, Eugene D., Pozdeev, Anany I., Ross, Katherina V., Wood, Douglas H., Grybeck, Donald, Khanchuk, Alexander I., Kovbas, Lidiya I., Nekrasov, Ivan Ya., Sidorov, Anatoly A. (1996) Significant metalliferous and selected non-metalliferous lode deposits and placer districts for the Russian Far East, Alaska, and the Canadian Cordillera. Open-File Report Vol. 1996 (96-513) US Geological Survey doi:10.3133/ofr96513a | Report (issue) | | and placer districts for the Russian Far East, Alaska, and the Canadian Cordillera, by Warren J. Nokleberg...deposits and placer districts of the Russian Far East, Alaska, and the Canadian Cordillera. The report provides...Format) formats, and the mineral-deposit and placer district tables in dBase 3/4, FileMaker Pro 2.0, and tab-delineated...ACADEMY OF SCIENCES GEOLOGICAL COMMITTEE OF RUSSIA ALASKA DIVISION OF GEOLOGICAL AND GEOPHYSICAL SURVEYS...AND PLACER DISTRICTS FOR THE RUSSIAN FAR EAST, ALASKA, AND THE CANADIAN CORDILLERA By Warren J. Nokleberg1 |  | | Journal (article/letter/editorial) | | control unusual enrichment of gold in VMS. At the district scale, the gold-rich deposits occupy a stratigraphic...that commonly differs from other deposits of the district possibly due to a step change in the geodynamic...recovery, particularly for gold, is never complete. A mining operation may be optimized for base metal production...(Sangster 1977, 1980; Franklin et al. 1981). The mining method also can have a major impact on reported...the ore (e.g., Brunswick No. 12 in the Bathurst Mining Camp; McClenaghan et al. 2009). Many deposits that |  | | Journal (article/letter/editorial) | | (Çagatay and Eastoe, 1995) or perhaps the Noranda District (Kidd Creek, Hannington et al., 1999) but globally...claimed a unique style of mineralization at the district scale. Barriga and Fyfe (1988) proposed that massive...sulfides of the Aznalcóllar–Los Frailes–Las Cruces district are the easternmost in the IPB Pyrite Belt and...Feitais and Moinho orebodies of the Aljustrel district (Western Domain) are also interpreted as felsic–volcaniclastic...different types of ore (Table 2). The Aljustrel district and La Zarza have bulk reserves exceeding 100 |  | | Report (issue) | | of the Superintendent of Documents. ANCHORAGE, Alaska^230 University Dr., Rm. 101 LAKEWOOD, Colorado...810, Federal Center Denver, CO 80225 Residents of Alaska may order maps from U.S. Geological Survey, Earth...the U.S. Geological Survey offices: FAIRBANKS, Alaska New Federal Building, 101 Twelfth Ave. ROLLA, Missouri...left some canyon walls more than 2 km deep (Snake River canyon west of the Seven Devils Mountains). Most...evolution of the Pittsburg Landing area, Snake River canyon, Oregon and Idaho David L. White and Tracy |
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