 | | Journal (article/letter/editorial) | | of the Kuroko Deposits in Japan and Their Implications T. URABE Tokyo, Japan The most remarkable difference...difference in mineralogy of the Kuroko deposits in Japan is shown in their mineral assemblages of wall-rock...geology and mineralogy of the Kuroko deposits in Japan until now (WaTANABE 1973). In the last decade, volcanic...O 9"" JAPAN e 0 SEA HONSHU lB. 200KM Fig. 1. Distribution of the Kuroko deposits in Japan. • - -...- - - -- Unclassified (no available data). The Japan Sea side of the dashed lines and the northeastern |  | | 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...Footwall of the brown ore is disseminated tuff breccia corresponding to feeder zone of hydrothermal fluid...which occurs just above the disseminated tuff breccia. Based on the features distinct from the ordinary |  | | Journal (article/letter/editorial) | | isotopes Shimane in the Iwami Kuroko Japan Prefecture, MASAHIRO YAMAMOTO Department of Earth Science...Faculty of Science, Okayama University, Okayama 700, Japan (Received November 28, 1973; in revised form December...sulfide pairs from the Kuroko deposits in Northeast Japan (KAJIWARA and DATE, 1972). Other sulfide pairs including...ores of the Shakanai No. 1 deposits and several other Kuroko deposits in Northeast Japan, computed isotope...temperature scales (KAJIWARA and KROUSE,1970). In the Shakanai No.1 deposits KAJIWARA (1971) observed a decreasing |  | | Journal (article/letter/editorial) | | Occurrence of Brown Ores in Kuroko-type Deposits in Japan Akira IMAI, Osamu ISHIZUKA*, Ryoichi YAMADA** and...so-called brown ore from the Kuroko-type deposits in Japan was examined. Brown ore specimens from the Kannondo...occurrences from the Fukazawa, Matsumine, Ezuri, Shakanai, and Ginzan deposits were previously reported...occurs commonly in the Kuroko-type deposits in Japan, whereas its extent is limited. The brown ore is...the Kuroko-type deposits of the Fukazawa mine, northeast Japan (Tanimura et al., 1972; Tanimura, 1974; |  | Komuro, Kosei, Kubota, Hiroshi, Sato, Tokiyuki, Kajiwara, Yoshimichi, Tanimura, Shojiro (2004) Trace Fossils and Sulfur Isotopes in Mudstones around the Kuroko Deposits in the Hokuroku Basin, Northeast Japan: An Attempt to Delineate the Depositional Environment. Resource Geology, 54 (4) 425-436 doi:10.1111/j.1751-3928.2004.tb00218.x | Journal (article/letter/editorial) | | Kuroko Deposits in the Hokuroku Basin, Northeast Japan: An Attempt to Delineate the Depositional Environment...Geoscience, University of Tsukuba, Tsukuba 305-8571, Japan (Department of Earth Evolution Sciences, Graduate...Tsukuba, Tsukuba 305-8572, Japan) [e-mail: komuro@arsia.geo.tsukuba.ac.jp] * Japan Oil, Gas and Metals National...Metal Mining Agency of Japan), 1310 Omiya-cho, Saiwai-ku, Kawasaki 212-8554, Japan ** Department of Earth...Resource Science, Akita University, Akita, 010-8502, Japan *** Korokudai, Matsudo 271-0075, Japan Received on |  | | Journal (article/letter/editorial) | | KurokoDeposits of theKosakaMine,Northeast Honshu, Japan Productsof SubmarineHot Springson Miocene Sea Floor...SATO Abstract The Kosaka mine is a productiveCu-Pb-Zn-Au-Ag mine in Japan and is locatedat the easternmargin...geologicevidence. Introduction productivemining districtsin Japan (Fig. 1). The Tn• Kuroko depositsare strataboundmassive...east of the mine (seeIsomi, 1968). They cropout about 1.5 km to the north of the mine and have been...probablyderivedfrom the Towadavolcano abmlt 10 km northeast of the mine area. , Geolopicstructure ; ,• Legend ['•"• |  | | Journal (article/letter/editorial) | | Hokuroku District, Northeast Japan HARUHISA MOROZUMI,†,* NOBUAKI ISHIKAWA, Japan Oil, Gas and Metals National...1310 Omiya, Saiwai, Kawasaki, Japan 212-8554 AND YOHEI ISHIKAWA Akita Prefectural Resources Technology...Kazuno-gun, Akita, Japan 017-0202 Abstract In the inner zone of the northeastern Japan arc, kuroko-type...Introduction THE METAL MINING AGENCY of Japan (MMAJ), now called the Japan Oil, Gas and Metals National Corporation...situated in the inner zone of the northeastern Japan arc (Ministry of Economy, Trade and Industry, 2002) |  | | Journal (article/letter/editorial) | | the so-calledGreen Tuff basins of Tertiary age in Japan. They are the youngest,least modifiedexamplesknown...personalcommunicathe broad contextof metallogenicepochsin Japan. tions. We alsodiscuss the genesisof the felsicrocks...Takeuchi (1970). Grade of crude ore (%) Name of mine Kosaka l Hanaoka t Year of Size of ore de- ...in 1972 (per month) Crude ore -- 45,000 tons mine• 25 million tons Acid leached Cu = 70 tons 1.2...of 35 million tons = 50,000 tons Fukazawa t Shakanai • Kanayamazawa 1969 Manzaku 1969 190 X 190 |  | | Journal (article/letter/editorial) | | the Doyashiki Kuroko Deposits, Hokuroku Basin, Japan Satoshi KITAZONO and Hirotomo UENO Department of...Science, Kagoshima University, Kagoshima 890-0065, Japan [e-mail: gsekita@moon.sci.kagoshima-u.ac.jp] Received...the Doyashiki Kuroko deposits, Hokuroku basin, Japan for the first time. Main ore minerals are sphalerite...sedimentary basin in the Hokuroku district, Akita Prefecture, Japan (Fig. 1; Sato et al., 1974). In the Hokuroku...there exist many Kuroko deposits, such as the Shakanai, Matsumine, Ezuri, Fukasawa, Nurukawa, Furutobe |  | | Journal (article/letter/editorial) | | ions of Fluid Inclusionsin the Kuroko Deposits,Japan HIROSHI OHMOTO AND ROB•.RT O. RYe. Abstract Initial...the Kuroko depositsin the Hokuroku district of Japan fall within a narrow range: $D =--26 to --18 per...pyrite form massivebodies in rhyolitic tuff, tuff breccia, and chalcopyrite crystalsfrom the siliceous pyrite...metallic ores depositof the Dowa Mining Co. and the Shakanai are often underlain by extensivegypsum-anhydrite...Shakanaimine,locatedapproximately 1 km apart in Akita Prefecture,Honshfi beds (gypsum-anhydriteores). Recent |  | | Journal (article/letter/editorial) | | Fluids for the NeogeneVeinsand KurokoDepositsof Japan KEIKO HATTORI AND HITOSHI SAKAI Abstract The... --50 and about --2, respectively,for the Iwami mine, southwestHonshu. These isotopic results, the salinity...(-66)OP MM (-64)MK veins KOS -AR(-62) FK OZ JAPAN SEA A KN(-70) have the same strike and ...affected by terrestrial rather than su•bmarine JAPAN ARC environments. TS(-51) •(-49) S.._.•G (-47)...See Figure 8. References:(1) Horikoshi, 1969; (2) Japan Mining Industry Association,1968, Hattori, 1975; |  | | Journal (article/letter/editorial) | | ZONES, MAKURAZAKI VOLCANIC AREA, KAGOSHIMA PREFECTURE, JAPAN MOTOHARU KAWANO ' AND KATSUTOSHI TOMITA 2...Kagoshima University, 1-21-24 Korimoto, Kagoshima 890, Japan 2 Institute of Earth Sciences, Faculty of Science...Kagoshima University 1-21-35, Korimoto, Kagoshima 890, Japan Abstract- Two distinct zonal sequences of clay...in the Makurazaki volcanic area, Kagoshima Prefecture, Japan. The clay mineral sequences from the inner...in the Makurazaki volcanic area, Kagoshima Prefecture, Japan. These deposits were formed by hydrothermal |  | Ogawa, Yasumasa, Shikazono, Naotatsu, Ishiyama, Daizo, Sato, Hinako, Mizuta, Toshio, Nakano, Takanori (2007) Mechanisms for anhydrite and gypsum formation in the Kuroko massive sulfide–sulfate deposits, north Japan. Mineralium Deposita, 42 (3) 219-233 doi:10.1007/s00126-006-0101-7 | Journal (article/letter/editorial) | | Kuroko massive sulfide–sulfate deposits, north Japan Yasumasa Ogawa & Naotatsu Shikazono & Daizo Ishiyama...Matsumine, Shakanai, and Hanaoka Kuroko-type massive sulfide–sulfate deposits of northern Japan to evaluate...3-14-1, Kohoku-ku, Yokohama, Kanagawa 223-8522, Japan e-mail: ogawa@geo.kankyo.tohoku.ac.jp D. Ishiyama...Resource Science, Akita University, Tegatagakuen-machi 1-1, Akita, Akita 010-8502, Japan T. Nakano Research...Nishi-iri, Kamigyo-ku, Kyotom, Kyoto, Kyoto 602-0875, Japan Present address: Y. Ogawa Graduate School of Environmental |  | | Journal (article/letter/editorial) | | Kosaka District, Japan E1 HORIKOSHI Institute of Mining, K y u s h u University, Japan In the Miocene...Miocene Kosaka formation of NE-Japan, submarine volcanic sedimentary deposits of the Kuroko-type occur. This...eruptive cycle changed as follows: The Uwamuki tuff breccia is a contact product between dacitic magma and...also found in Quaternary terrestrial volcanoes of Japan. Submarin-vulkanisch-sediment~ire Lagerstfitten...ebenfalls in quart~iren terrestrischen Vulkanen in Japan gefunden, wobei bier keine MineraUagerstfitten des |  | | Report (chapter) | | Sato G e o l o g i c a l S u r v e y o f Japan, T o k y o , Japan ( l a t e l y , Department of Geology...553.43/.44(52) Synopsis The Kuroko deposits of Japan are predominantly massive, stratiform sulphide ores...of underlying magma. The Kuroko ore deposits of Japan are considered to be a prototype of heavy metal...constituent. The Green Tuff rocks are distributed on the Japan Sea side of the Japanese islands from Hokkaido to...50 km wide and essentially parallel to the east Japan arc system. 7 The zone is situated near the boundary |  | | Journal (article/letter/editorial) | | Northeast Japan Hiroshi KUBOTA, Tetsuro URABE*, Ryoichi YAMADA** and Shojiro TANIMURA*** Japan Oil, Gas...(formerly Metal Mining Agency of Japan), 1310 Omiya-cho, Kawasaki 212-8554, Japan [e-mail: kubota-hiroshi_1@jogmec...University of Tokyo, 7-3-1 Hongo, Tokyo 1130033, Japan ** Institute of Mineralogy, Petrology and Economic...University, Sendai 9808578, Japan *** Korokudai, Matsudo 271-0075, Japan Received on October 20, 2003;...the area since 1994. The Metal Mining Agency of Japan (MMAJ), therefore, decided to compile existing data |  | | Book | | IN SEDIMENTOLOGY 26 CLAYS AND CLAY MINERALS OF JAPAN FURTHER TITLES IN THIS SERIES VOLUMES 1 , 2 ...IN SEDIMENTOLOGY 26 CLAYS AND CLAY MINERALS OF JAPAN Edited by TOSHIQ SUDQ Emeritus Professor, Tokyo...Geoscience, University of Tsukuba, Ibaragi Pref. 300-31, Japan 1978 KODANSHA LTD. Tokyo ELSEVIER SCIENTIF PUBLISHING...under t i t l e : Clays and c l a y minerals of Japan. (Developments i n sedimentology ; 26) (Kodansha...Bibliography: p. Includes index. 1. Clay--Japan. 2. Clay minerals--Japan. I. SudO, Toshio, 191111. Shimcda, |  | | Journal (article/letter/editorial) | | Mineralization in the Hokuroku District, Northeast Japan Ryoichi YAMADA and Takeyoshi YOSHIDA Institute of...Science, Tohoku University, Aoba, Sendai 980-8578, Japan [e-mail: yamadary@ganko.tohoku.ac.jp] Received on...the most important Kuroko containing province in Japan. There are two cycles of the bimodal volcanic sequence...economically the most important Kuroko province in Japan such that a great deal of geological and petrological...dacite lavas and Ohyu depression volcanic breccia to tuff breccia B C with dacitic composition. These Ｖ Ｖ |  | | Journal (article/letter/editorial) | | (Earth System Sciences), Keio University, Yokohama, Japan Abstract Major minerals (sulfates, sulfides, quartz)...stratabound massive sulfate-sulfide deposits in Japan) are characterized by a heterogeneous distribution...3-14-1, Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan. Email: sikazono@applc.keio.ac.jp 352 © 2012 The...from wellbores in the Sumikawa geothermal system (Japan), is much higher than that predicted from the experimentally...barite and quartz contents Sample No. Location (mine) Ore Mineral Texture K1 K2 K4 K5 K6 K10 K12 |  | | Journal (article/letter/editorial) | | tandfonline.com/loi/tigr20 Pyritic ores and deposits of Japan a a V.I. Smirnov , Yu. S. Borodayev & V.I. Starostin... Starostin (1969) Pyritic ores and deposits of Japan, International Geology Review, 11:8, 845-856, DOI:...page/terms-and-conditions Pyritic ores and deposits of Japan Downloaded by [Cornell University Library] at 06:13...geologists concerning the origin of the "black ores" of Japan, which are related to Tertiary volcanic activity...DEPOSITS Pyritic deposits formed more than once in Japan, as in most of the other major sulfide prov- inces |  | | Journal (article/letter/editorial) | | at the Ohori Base Metal Deposit, Yamagata Prefecture, NE Japan: C, O and S Isotopic Study Yu Yokoro,1 Takahiro..., Yamagata, Japan, 2Tono Geoscience Center, Japan Atomic Energy Agency, Yamagata, Japan and Department...Environmental Sciences, Yamagata University, Yamagata, Japan 3 Abstract The Ohori ore deposit is one of the...Cu–Pb–Zn deposits in the Green Tuff region, NE Japan, and consists of skarn-type (Kaninomata) and vein-type...than those of the Cretaceous skarn deposits in Japan. These isotope ratios of the Kaninomata skarn show |  | | Report (issue) | | schist at Hixbar). When textures such as tuff, breccia, flow, pillow, etc., were not reported, the rocks...brecciated andesite and andesite breccia always appear as andesite breccia. Some general rock names such...disseminated (diss), veins (vein), and brecciated (breccia). The nomenclature for ore types in the literature...-Ochiaizawa-Shakanaih 1-3) Hanaoka (Matsumine-Shakanai 4-5-7-8-ll-Takadate-Matsuki) Hanawa (Aketoshi-Osaki)...Finland France Great Britain Guatamala Iran Ireland Japan Norway Oman Pakistan Philippines Portugal Saudi |  | | Book | | I M O D A , Editors CLAYS AND CLAY MINERALS OF JAPAN 21 M.M. M O R T L A N D and V.C. F A R M E R INTERNATIONAL...Professor, Tokyo University of Education, Tokyo 1.53, Japan SUSUMU SHIMODA Assistant Projessor, Institute of'...University of' Tsukuba, Ibaragi Prej: 300 -31, Japan HARUO YOTSUMOTO Assistant Director, ScientiJic...Ltd., Tokyo 196, Japan SABURO AITA Assistant Manager, JEOL Ltd., Tokyo 196, Japan 1981 KODANSHA LTD...Vanderbilt Avenue, New York, N.Y. 10017 Printed in Japan Contributors Numbers in parentheses indicate |  | | Book | | I M O D A , Editors CLAYS AND CLAY MINERALS OF JAPAN 21 M.M. M O R T L A N D and V.C. F A R M E R INTERNATIONAL...Professor, Tokyo University of Education, Tokyo 1.53, Japan SUSUMU SHIMODA Assistant Projessor, Institute of'...University of' Tsukuba, Ibaragi Prej: 300 -31, Japan HARUO YOTSUMOTO Assistant Director, ScientiJic...Ltd., Tokyo 196, Japan SABURO AITA Assistant Manager, JEOL Ltd., Tokyo 196, Japan 1981 KODANSHA LTD...Vanderbilt Avenue, New York, N.Y. 10017 Printed in Japan Contributors Numbers in parentheses indicate |  | | Journal (article/letter/editorial) | | KAOLIN CLAY DEPOSIT, NORTHEAST JAPAN YUKIO TOGASHI Geological Survey of Japan, 8 Kawada-cho, Shinjuku-ku...altered tuffs taken into the Quaternary silicified breccia dikes show much higher expandability than those...Itaya of sericite from the Itaya kaolin clay mine. occurrences of mica clay minerals which are in...Nakamura, 1969). Many hydrothermal clay deposits in Japan, especially those associated with acid magmatism...deposit, located at the southern part of Yamagata Prefecture (Fig. 1), is of this type, and is one of the |
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