 | | Journal (article/letter/editorial) | | Siliceous Black Ore from the Ezuri Kuroko Deposit, Hokuroku District, Japan Kosei KOMURO, Naoaki AOKI*...Tsukuba, 1-1-1 Ten’nodai, Tsukuba, Ibaraki 305-8571, Japan [e-mail: komuro@arsia.geo.tsukuba.ac.jp] * Deceased...the siliceous black ore in the Ezuri Kuroko deposit, Hokuroku, Japan. By treating samples with conventional...benthic foraminifera, siliceous ore, black ore, Ezuri, Hokuroku, Kuroko (Guber and Ohmoto, 1978; Kitazato...ferruginous chert (“Tetsusekiei”) of the Kuroko deposit in the Kosaka mine (Ishikawa, 1964), similar fossil records |  | | Journal (article/letter/editorial) | | Siliceous Black Ore from the Ezuri Kuroko Deposit, Hokuroku District, Japan Kosei KOMURO and Yoshimichi...of Tsukuba, 1-1-1 Ten'nodai, Tsukuba 305-8571, Japan [e-mail: komuro@arsia.geo.tsukuba.ac.jp] Received...Germanium-bearing colusite occurs with sphalerite, galena, tetrahedrite-tennantite, chalcopyrite and pyrite...siliceous black ore from the Ezuri Kuroko deposit in the Hokuroku district of Japan. X-ray microdiffractometry...germanium, siliceous ore, black ore, siliceous ooze, Ezuri, Hokuroku, Kuroko and Yui (1979) later described |  | | Journal (article/letter/editorial) | | Ore” from the Fukasawa Kuroko Deposits, Northeast Japan: Its Characteristics and Formation Process Osamu...Fukasawa kuroko-type deposits, northern Honshu, Japan. As this type of ores also occur in the marginal...uppermost part of several other kuroko deposits in Japan, the formation of brown ore appears to be repeated...deposits (>1000 g/t Ag) (Narita et al., 1977), Ezuri deposits (1000 to 1500 g/t Ag)(Sato and Sasaki,...brown-colored ores were also found from the Inarizawa deposit and Nurukawa deposits during this study. Preliminary |  | Barrie, C. D., Boyce, A. J., Boyle, A. P., Williams, P. J., Blake, K., Ogawara, T., Akai, J., Prior, D. J. (2009) Growth controls in colloform pyrite. American Mineralogist, 94 (4) 415-429 doi:10.2138/am.2009.3053 | Journal (article/letter/editorial) | | University, Ikarashi-2 8050, Niigata 950-2181, Japan 1 2 aBstraCt Primary colloform textures preserved...two ore deposits, Greens Creek in Alaska and Ezuri in Japan, have been systematically analyzed for grain...bacteriogenic δ34S between –40 and –32‰, whereas the Ezuri colloform has a positive δ34S of ~+5‰, typical of...detailed analyses reveal that in both Greens Creek and Ezuri, there is no systematic correlation between sulfur...Creek deposit in Alaska and the Ezuri deposit in Japan. geologiC setting The Greens Creek deposit The |  | | Journal (article/letter/editorial) | | Technology, Kasumigaseki I-3-1, Chiyoda-ku, Tokyo 100, Japan Abstract--In 1970s-1980s, the following two basic...magnetite-series of Quaternary volcanic belts in Japan, Miocene magmatic belts are characterized by paired...1980s is a decade for the modeling of various ore deposit types. Modeling has been completed on porphyry...the copper deposit was the San Manuel deposit, which was discovered as a semiblind ore deposit with a cup-like...inverted cup-like form. The top of the San Manuel deposit was cut by a NW-trending low-angle fault. There |  | | Book | | 447 467 491 Company Index 503 Tables: World Mine Production of Gold, Silver and Base Metals 5A2...Mining OFFICES: 5011 Meadowood Way Paradise Peak Mine Suite 300 (100% FMC Gold) * Sales Reno, Nevada...Elko, Nevada (303) 292-7500 Royal Mountain King Mine (100% FMC Gold) Copperopolis, California Beartrack...because Escondida, the world's third-largest copper mine, high in the mountains of Chile's Atacama desert...underground and opencast mining, oil and gas mining ® mine construction, development, modernization ® complete |
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