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Open-File Report 96-513-A. Significant Metalliferous And

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Open-File Report 96-513-A. Significant Metalliferous And PUBANN.DOC-September 17,1996 Open-File Report 96-513-A. Significant metalliferous and selected non-metalliferous lode deposits and placer districts for the Russian Far East, Alaska, and the Canadian Cordillera, by Warren J. Nokleberg, Thomas K. Bundtzen, Kenneth M. Dawson, Roman A. Eremin, Nikolai A. Goryachev, Richard D. Koch, Vladimir V. Ratkin, Ilya S. Rozenblum, Vladimir I. Shpikerman, and Yuri F. Frolov, Mary E. Gorodinsky, Vladimir D. Melnikov, Nikolai V. Ognyanov, Eugene D. Petrachenko, Rimma I.Petrachenko, Anany I. Pozdeev, Katherina V. Ross, Douglas H. Woodv Donald Grybeck, Alexander I. Khanchuck, Lidiya I. Kovbas, Ivan Ya. Nekrasov, and Anatoloy A. Sidorov, 1996, 385 p. This report is a written tabular compilation of the significant metalliferous and selected non-metalliferous lode deposits and placer districts of the Russian Far East, Alaska, and the Canadian Cordillera. The report provides detailed summaries of the important features of the significant lode deposits and placer districts along with a summary of mineral deposit models, and a bibliography of cited references. Data are provided for 1,079 significant lode deposits and 158 significant placer districts of the region. This version of the report is issued on standard paper (Open-File Report 96-513-A). A subsequent digital version will be issued on CD-ROM (Open-File Report 96-513-B). The digital version will contain the introduction, description of mineral deposit models, and bibliography of cited references in ASCII (TXT) and RTF (Rich-Text Format) formats, and the mineral-deposit and placer district tables in dBase 3/4, FileMaker Pro 2.0, and tab-delineated text (TXT) formats. Minimum requirements for part B are: IBM PC 386 or compatible, minimum of 1.0 Mb RAM, and 8 megabytes of storage; ability to read a standard-format CD-ROM, DOS 6.0 or higher, CD-ROM drive, or an Apple Macintosh with a Super Drive, CD-ROM drive, and Apple File Exchange software to convert PC files to Macintosh files. U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY PREPARED IN COLLABORATION WITH: RUSSIAN ACADEMY OF SCIENCES GEOLOGICAL COMMITTEE OF RUSSIA ALASKA DIVISION OF GEOLOGICAL AND GEOPHYSICAL SURVEYS GEOLOGICAL SURVEY OF CANADA SIGNIFICANT METALLIFEROUS AND SELECTED NON-METALLIFEROUS LODE DEPOSITS AND PLACER DISTRICTS FOR THE RUSSIAN FAR EAST, ALASKA, AND THE CANADIAN CORDILLERA By Warren J. Nokleberg1, Thomas K. Bundtzen2, Kenneth M. Dawson3, Roman A. Eremin4, Nikolai A. Goryachev4, Richard D. Koch1, Vladimir V. Ratkin5, Dya S. Rozenblum6, Vladimir I. Shpikerman4, and Yuri F. Frolov7, Mary E. Gorodinsky6, Vladimir D. Melnikov8, Nikolai V. Ognyanov5, Eugene D. Petrachenko5, Rimma I.Petrachenko5, Anany I. Pozdeev7, Katherina V. Ross3, Douglas H. Wood3, Donald Grybeck9, Alexander I. Khanchuck5, Lidiya I. Kovbas5, Ivan Ya. Nekrasov , and Anatoloy A. Sidorov4 '-U.S. Geological Survey, Menlo Park 2-Alaska Division of Geological and Geophysical Surveys, Fairbanks 3-Geological Survey of Canada, Vancouver 4-Russian Academy of Sciences, Magadan 5-Russian Academy of Sciences, Vladivostok 6-Geological Committee of Northeastern Russia, Magadan 7-Geological Committee of Kamchatka, Petropavlovsk-Kamchatsky 8-Geological Committee of Amur Region, Blagoveshchensk 9-U.S. Geological Survey, Anchorage OPEN-FILE REPORT 96-513-A 1996 This report is preliminary and has not been reviewed for conformity with U.S. Geological Survey editorial standards or with the North American Stratigraphic Code. Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government. US. DEPARTMENT OF THE INTERIOR OPEN-FILE REPORT 96-513-A VS. GEOLOGICAL SURVEY SIGNIFICANT METALLIFEROUS AND SELECTED NON-METALLIFEROUS LODE DEPOSITS AND PLACER DISTRICTS FOR THE RUSSIAN FAR EAST, ALASKA, AND THE CANADIAN CORDILLERA By Warren J. Nokleberg1, Thomas K. Bundtzen2, Kenneth M. Dawson\ Roman A. Eremin4, Nikolai A. Goryachev4, Richard D. Koch1, Vladimir V. Ratkin5, Ilya S. Rozenblum6, Vladimir I. Shpikerman4, and Yuri F. Frolov7, Mary E. Gorodinsky6, Vladimir D. Melnikov", Nikolai V. Ognyanov5, Eugene D. Petrachenko\ Rimma I.Petrachenko5, Anany I. Pozdeev7, Katherina V. Ross\ Douglas H. Wood\ Donald Grybeck9, Alexander I. Khanchuck', Lidiya I. Kovbas\ Ivan Ya. Nekrasov5, and Anatoloy A. Sidorov4 '-U.S. Geological Survey. Menlo Park; 2-Alaska Division of Geological and Geophysical Surveys, Fairbanks; '-Geological Survey of Canada, Vancouver; 4-Russian Academy of Sciences, Magadan; '-Russian Academy of Sciences, Vladivostok; 6- Geological Committee of Northeastern Russia, Magadan; '-Geological Committee of Kamchatka, Petropavlovsk-Kamchatsky; 8- Geological Committee of Amur Region, Blagoveshchensk; 9-U.S. Geological Survey, Anchorage INTRODUCTION Mine. A site where valuable minerals have been extracted. This report is a written tabular compilation of the Mineral deposit. A site where concentrations of potentially significant metalliferous and selected non-metalliferous valuable minerals for which grade and tonnage estimates lode deposits and placer districts of the Russian Far East, have been made. Alaska, and the Canadian Cordillera. The report provides detailed summaries of the important features of the Mineral occurrence. A site of potentially valuable minerals significant lode deposits and placer districts along with a on which no visible exploration has occurred, or for which summary of mineral deposit models, and a bibliography of no grade and tonnage estimates have been made. cited references. Data are provided herein for 1,079 significant lode deposits and 158 significant placer districts Overlap assemblage. A postaccretion unit of sedimentary of the region. The tabular data are provided in Table I for or igneous rocks deposited on, or intruded into, two or significant lode deposits, and in Table 2 for significant more adjacent terranes (Jones and others, 1983; Howell and placer districts at the end of report. Alphabetical indices of others, 1985; Nokleberg and others, 1994c). The the tabular data are provided after Tables 1 and 2. sedimentary and volcanic parts either depositionally overlie, or are interpreted to have originally depositionally The Alaskan and Canadian mineral deposit data are overlain, two or more adjacent terranes, or terranes and the derived from revisions of Dawson (1984), Nokleberg and craton margin. Overlapping plutonic rocks, which may be others (1987. 1993. 1994a, b). from new unpublished data coeval and genetically related to overlap volcanic rocks, of the authors, and from recent publications. The Russian link or stitch together adjacent terranes. or a terrane and a Far East mineral deposit data represent new compilations craton margin. by the Russian authors using cited references and unpublished data of the authors. Prospect. A site of potentially valuable minerals in which excavation has occurred. This report is published in two versions, a paper version (Open-File Report 96-513-A) and a digital version Significant mineral deposit. A mine, mineral deposit, (CD-ROM) (Open-File Report 96-513-B). This report is prospect, or occurrence that is judged as important for the one of a series of studies on the mineral deposits, metallogenesis of a geographic region. metallogenic belts, bedrock geology, and tectonics of the Russian Far East, Alaska, and the Canadian Cordillera. Terrane. A fault-bounded geologic entity or fragment that Published companion studies are: (1) a report on the is characterized by a distinctive geologic history that differs metallogenesis of mainland Alaska and the Russian markedly from that of adjacent terranes (Jones and others. Northeast (Nokleberg and others, 1993); and (2) a 1983; Howell and others, 1985; Nokleberg and others. tectonostratigraphic terrane map of the Circum-North 1994c). Constitutes a physical entity, i.e.. a stratigraphic Pacific (Nokleberg and others. 1994c). A companion succession bounded by faults, inferred faults, or an version of this report is being published in digital format on intensely-deformed structural complex bounded by faults. floppy disks. Some terranes may be displaced (faulted) facies of other terranes. METALLOGENIC AND TECTONIC DEFINITIONS LODE AND PLACER MINERAL DEPOSIT MODELS The following key definitions are provided. Classification of Mineral Deposits Deposit. A general term for any lode or placer mineral occurrence, mineral deposit, prospect, and (or) mine. Metalliferous and selected non-metalliferous lode and placer deposits in this report are classified into various Metallogenic belt. A geologic unit (area) that either models or types described below. This classification of contains or is favorable for a group of coeval and mineral deposits was derived mainly from the mineral genetically-related, significant lode and placer deposit deposit types of Eckstrand (1984). Cox and Singer (1986). models. Nokleberg and others (1987. 1993. I994a. b). cited references for specific models, and unpublished data of the Russian authors. The lode deposit types are grouped coeval with deposition of massive sulfide. Alteration is according to host rock lithologies and (or) origin. Lode sometimes difficult to recognize because of metamorphism. deposit types that share a common origin, such as contact Deposits typically form stratiform lenses and sheet like metasomatic deposits, or porphyry deposits, are grouped accumulations of semi-massive to massive sulfide. together under a single heading. Footwall feeder zones may occur. The depositional environment is interpreted as submarine
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