 | | Journal (article/letter/editorial) | | CHARACTERISTICS OF BLACK ORE DEPOSITS OF THE AINAI MINE YASUOISHII Nitto Mining Company INTRODUCTION In...at the Ainai mine, Katsuno Basin, Akita Prefecture, major black ore mining region in Japan, since he entered...spections of typical black ore deposits of Kosaka, Hanaoka, Furutobe and Hanawa. He also made surveys and...long time. The Ainai mine is located in Kosaka Town, Kazuno County, Akita Prefecture and about 10 Km northwest...the Kosaka mine. Dr. K. Kinoshita (1931) Fig. 1. Index map showing the location of Ainal Mine Dr. T. Takeuchi |  | | 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) | | 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...bornite, marcasite and hematite are also observed. Quartz, barite and gypsum are common gangue minerals....temperatures and salinities of fluid inclusions in quartz, sphalerite and barite range from 190 to 240˚C |  | | 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...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...n t g r o u p of Cu Z n Pb-mineral deposits in Japan is called the K u r o k o - t y p e of deposits |  | | Journal (article/letter/editorial) | | COMMUNICATIONS OF KINOSHITA'S KUROKO DEPOSITS OF JAPAN. • FOREWORD. The purposeof this summarizedtranslationis...an assemblageof ores that is well developed in Japan but unrecognizedelsewhere. This group of ores merits...obvious good will, this gentleman-scientistof old Japan would not indicate a single error of consequence...are all four of theseore bodiespresentin any one mine, yet the assemblageis still calledkuroko,regardlessof...discoveryof the huge rich Doyashikiore bodyat Hanaoka,Akita Prefecture. Severalgeophysical methods of p.rospecting |  | | 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) | | 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 is 1. Introduction It has been noticed among mine geologists that peculiar brownish-to-greyish colored...of the kuroko deposits of the Fukasawa mine, northeast Japan. The so-called “brown ore” attracted miners’ |  | | 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) | | Oxide and Massive Sulfide (Kuroko) Deposits in Japan Yu Hariya 1 and Makoto Tsutsumi 2 1 Department of...060, Japan 2 Institute for Thermal Spring Research, Okayama University, Misasa, Tottori Prefecture 682-02...682-02, Japan Abstract. The hydrogen isotopic composition of structural water in MnO(OH) minerals from...which type of environment these deposits form. In Japan many bedded manganese ore deposits are genetically...sedimentary basin of the 'Green Tuff Region' in Japan. Manganese dioxide and hydroxide minerals such as |  | | Journal (article/letter/editorial) | | Natural Science Laboratory, Toyo University, Tokyo, Japan (Received 23 May 1975; and in final form 29 August...part of the Tooho "roseki" deposit, Aichi Prefecture, Japan. The chemical composition of the Li bearing...montmorillonite, has been found in various localities in Japan. Tosudite with di-trioctahedral type chlorite in...Kamikita mine, Aomori Prefecture (Sudo and Kodama, 1957), the mineralized zone at Niida, Akita Pref. (Kimbara...(Kimbara and Nagata, 1974) and the Iwami mine, Shimane Pref. (Shimoda, 1975). Tosudite having dioctahedral |  | | Journal (article/letter/editorial) | | metallogenetic provincesof Late Tertiary age in Japan (dotted area). (After T. Watanabeand S. Iwao, 1959...(25). All of the samplesexceptone from the Hitachi mine were collected from ore depositsthat belong to the...JapaneseIslands) is summarizedby the GeoloigcalSurvey of Japan (9). The JapaneseIslands were affectedby intenseorogenicmovementof...situation was reversed. A subsidenceof the crust in the Japan Sea side area occurred. The districtalongthe FossaMagna...into•two major tectonicprovinces,namely Northeastern Japan and SouthwesternJapan, also subsided. A thick accumulationof | | | Journal (article/letter/editorial) | | SPACING CLAY MINERAL FROM THE UKU MINE, YAMAGUCHI PREFECTURE , JAPAN* TAKESHI Department MITSUDA of....8A. Prefecture diffraction and line is with Yamaguchi powder 28.8A. line mineral mine, 4.82•}0...Kurata mine, Yamaguchi Prefecture by T. Sudo, H. Takahashi and H. Matsui4), from the Hanaoka mine, Akita...Akita Prefecture by T. Sudo and H. Hayashi5), and from the Kamikita mine, Aomori Prefecture by T. Sudo,...June 1, 1957. ** Refer to their paper Society of Japan held read in Tokyo of the Mineralogical at |  | | 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...(1970). Grade of crude ore (%) Name of mine Kosaka l Hanaoka t Year of Size of ore de- Name of ore...in 1972 (per month) Crude ore -- 45,000 tons mine• 25 million tons Acid leached Cu = 70 tons 1.2...1972, Kuroko depositssuppliedapproximately Each mine consistsof a number of closely clusand 45 percent |  | | Journal (article/letter/editorial) | | PROCEEDING IN JAPAN By TOSHIO SUDO Tokyo University of Education ABSTRACT Studies on clays in Japan were begun...crystallinity. INTRODUCTION Studies on clays were begun in Japan before 1900. The late Professor S. Kozu and his...first discovered an interesting clay from Niigata Prefecture in 1899, which he named an acid clay and which...investigators who initiated clay mineral studies in Japan and facilitated subsequent developments. Clay mineral...scientific fields. Recent clay mineral studies in Japan have taken place in the fields of geology, mineralogy |  | | Journal (article/letter/editorial) | | Science, The University of Tokyo, Hongo, Tokyo, Japan At&a&--The W/S” ratios in various sulphur compounds...for sulphates in the epithermal ore deposits of Japan. Xt wan also shown that the preeent isotopic composition...etandard. Troilite anlphnr from Tanogami meteorite in Japan wes chosen as the standard sulphur and the isotopic...determination, a galena from the Hosokura mine in Miyagi Prefecture was used as the secondary substandard... Hosokure mine, >Iiyagi Prefecture (ep. v.)t Hansok mine, Akits Prefecture (B). D8ir8 mine, Akit Prefecture |  | | Journal (article/letter/editorial) | | studies on many kinds of clay minerals found in Japan, the writers attach great importance to subtle variations...minerals associated with epithermal ore deposits in Japan. Normally the mixedlayer minerals are found where...alteration zones of epithermal ore deposits in Japan. It is considered that formation of intermediate...intermediate or hybrid states has been accumulated in Japan. The minerals are discussed under three headings:...diaspore-pyrophyllite deposits of the Goto mine, Nagasaki Prefecture, and of the Yonago, Honami, and Misawa |  | | Report (issue) | | Association: Hematite (Negaunee, Michigan, USA); quartz, carpholite, manganoan garnet, hematite (Biesenrode...pyrophyllite, diaspore, mica, bÄohmite (Itaya, Japan). Distribution: From LÄutzelbach, near Plochingen...Ural Mountains, Russia. In the USA, from the Tracy mine, Negaunee, Marquette Co., Michigan. Around the Cigar...Saskatchewan, Canada. From the Hanaoka and Kamakita mines, Aomori Prefecture; the Ehara mine, Mitsuishi, and at Itaya...Hyogo Prefecture; in the Furutobe mine, Akita Prefecture; the Kamagamine mine, Hiroshima Prefecture; the |  | | Journal (article/letter/editorial) | | island arc development in the northeast Honshu arc, Japan Ryoichi Yamada & Takeyoshi Yoshida Received: 22...or weakly plagioclase phyric (before 14 Ma), to quartz and plagioclase phyric with minor clinopyroxene...Aza-Aoba 6-6-20, Aramaki Aoba-ku, Sendai 980-8578, Japan e-mail: yamadary@geo.kankyo.tohoku.ac.jp hornblende.... Back-arc rifting . Japan Introduction The northeast (NE) Honshu arc in Japan contains considerable...geological events: the Yamato Basin in the Sea of Japan and the northern Honshu rift system (Sato et al |  | Glasby, G.P., Iizasa, K., Hannington, M., Kubota, H., Notsu, K. (2008) Mineralogy and composition of Kuroko deposits from northeastern Honshu and their possible modern analogues from the Izu-Ogasawara (Bonin) Arc south of Japan: Implications for mode of formation. Ore Geology Reviews, 34 (4) 547-560 doi:10.1016/j.oregeorev.2008.09.005 | Journal (article/letter/editorial) | | analogues from the Izu-Ogasawara (Bonin) Arc south of Japan: Implications for mode of formation G.P. Glasby...Germany Geological Survey of Japan, AIST, 1-1-3 Higashi, Tsukuba, Ibaraki 305, Japan c Department of Earth Sciences...of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-003, Japan b a r t i c l e i n f o Article history: Received... 1991. A new model for Kuroko-type deposits of Japan. Episodes 14, 246–251]. © 2008 Elsevier B.V. All...Introduction The Kuroko deposits of NE Honshu, Japan, are a key type deposit for the study of volcanogenic |  | | Journal (article/letter/editorial) | | minerals and pyrophyllite in Kuroko deposits of Japan: Implications for the origins of the hydrothermal...Geological Survey of Japan, 1-3, Higashi 1 chome, Tsukuba. Ibaraki, 305, Japan (Received April 3, 1989;...Minamishiraoi and fnarizawa deposits of northern Japan. Dickite, nacrite, and mica-rich micalsmectite mixed-layer...pyrophyllite from the Kuroko deposits of northern Japan. The mineralogical data shed light on the temporal...shows that these mineralogical KUROKO DEPOSITSOF Japan are examples of volcanic-hosted massive sulfide |  | | 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...the post-ore dacitic rocks are characterized by quartz-plagioclasephyric aphanitic lava and dome. These...economically the most important Kuroko province in Japan such that a great deal of geological and petrological |  | | Journal (article/letter/editorial) | | Fluids for the NeogeneVeinsand KurokoDepositsof Japan KEIKO HATTORI AND HITOSHI SAKAI Abstract The...The $D values of inclusionfluids from quartz and calcite of the Au-Ag vein deposits range from --48 to...waters. The •sO/•60 ratios of the ore fluids of quartz, the filling temperatures of the fluid inclusions...inclusions,and the isotopic fractionation factor between quartz and water show only slight shifts from these values... --50 and about --2, respectively,for the Iwami mine, southwestHonshu. These isotopic results, the salinity |  | | Journal (article/letter/editorial) | | Ground Hog Mine, Bayard, N.M. HCp 1 HP Kearny Mine, Hanover, N.M. HP 2 HS Minnie Moore Mine, Bellevue...Sphalerite Pyrite 22.12 22.09 S. Rhodesia Hardy (gold) Mine, Darwin District HG 207 HP 27 Galena 22.14 ...Hill, N.J. Franklin Mine Sterling Hill Mine Ellenville, N.Y. Ellenville Mine HS 48 Sphalerite HCp...selectedfrom the upper level of the Bonne Terre Mine, Bonne Terre, Mo. (Fig. 3). Throughoutthe south... SECTON t .................... T BONNE TERRE MINE SCALE )•' I SAMPLE LOCATION IN TOPLEVEL • |  | | Journal (article/letter/editorial) | | Britain TOSUDITE FROM THE HOKUNO MINE, HOKUNO, GIFU PREFECTURE, JAPAN ATSUKO ICH1KAWAand SUSUMU SHIMODA...Science, Tokyo University of Education, Tokyo, Japan (Received 16 January 1976) Abstraet--Tosudite was...was found in the Hokuno pottery stone mine, Gifu Prefecture, Japan. The pottery stone ore body, altered...interstratified illite-montmorillonite, kaolinite and quartz. Prepared by normal sedimentation method, the specimen...of 75.6~o tosudite, 24.0~o kaolinite and 0.4~o quartz. The Chemical composition of the specimen is SiO2 |  | | Journal (article/letter/editorial) | | of ore deposition,drawn by Mr. G. R. Green from mine maps and his own mapping; see Brathwaite (1974)...zones have been comparedto the I Drillhole [7• Quartz-chlorite alteration '-'l•-•'] >1• pyrite subsu...known. quartz,sericite,chlorite,and pyrite. In the Hokuroku basinthe mainmines(e.g., Kosaka,Hanaoka) appear...the Rosebery-typedeposits,thoughat the Rosebery mine trace-element anomalies in disseminated pyrite in...the Upper Motoyama is beingconfused orebody(Yokota mine), after Hirabayashi(1974, Fig. 3). case,but it is |
|
