 | | Journal (article/letter/editorial) | | KurokoDeposits of theKosakaMine,Northeast Honshu, Japan Productsof SubmarineHot Springson Miocene Sea Floor...TAKEO 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...the geologicsettingof the Kuroko depositsat the Kosaka Knroko district which is olle of the most 161 |  | | 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...and in spections of typical black ore deposits of Kosaka, Hanaoka, Furutobe and Hanawa. He also made surveys...long time. The Ainai mine is located in Kosaka Town, Kazuno County, Akita Prefecture and about 10 Km northwest...of the Kosaka mine. Dr. K. Kinoshita (1931) Fig. 1. Index map showing the location of Ainal Mine Dr. T |  | | 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...Kannondo, Inarizawa, Matsumine, Fukazawa, Uchinotai, Kosaka (orebody unknown) and Nurukawa deposits have been...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; |  | | 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...zone (siliceous ore), massive bedded pyrite-chalcopyrite ore zone (yellow ore), massive bedded sphalerite-galena-barite...O 9"" JAPAN e 0 SEA HONSHU lB. 200KM Fig. 1. Distribution of the Kuroko deposits in Japan. • - - |  | | 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- Name...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) | | 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...eighteen s•venties. In the periodfrom 1897 to 1900 the Kosaka • smelterengineers discovered that whenpyritewaspresentin |  | | Journal (article/letter/editorial) | | in the Kosaka District, Japan E1 HORIKOSHI Institute of Mining, K y u s h u University, Japan In the...the Miocene Kosaka formation of NE-Japan, submarine volcanic sedimentary deposits of the Kuroko-type occur...which erupted in a submarine environment. The "Kosaka Volcano" was built up by nine or more volcanic...eruptive cycle as at Kosaka are also found in Quaternary terrestrial volcanoes of Japan. Submarin-vulkanisch-sediment~ire...Lagerstfitten des Kuroko-Typs kommen in der mioz~inen Kosaka-Formation vor, wo im letzten Jahrhundert der Name |  | | Journal (article/letter/editorial) | | from the Ezuri Kuroko Deposit, Hokuroku District, Japan Kosei KOMURO, Naoaki AOKI* and Yoshimichi KAJIWARA...Tsukuba, 1-1-1 Ten’nodai, Tsukuba, Ibaraki 305-8571, Japan [e-mail: komuro@arsia.geo.tsukuba.ac.jp] * Deceased...black ore in the Ezuri Kuroko deposit, Hokuroku, Japan. By treating samples with conventional hydrofluoric...(“Tetsusekiei”) of the Kuroko deposit in the Kosaka mine (Ishikawa, 1964), similar fossil records have...equivalent of the ferruginous chert) in the Ezuri mine (Ogushi et al., 1979; Ishikawa and Matsueda, 1985) |  | | Journal (article/letter/editorial) | | from the Ezuri Kuroko Deposit, Hokuroku District, Japan Kosei KOMURO and Yoshimichi KAJIWARA Institute...of Tsukuba, 1-1-1 Ten'nodai, Tsukuba 305-8571, Japan [e-mail: komuro@arsia.geo.tsukuba.ac.jp] Received...sphalerite, galena, tetrahedrite-tennantite, chalcopyrite and pyrite in microdruses and veinlets in the...Ezuri Kuroko deposit in the Hokuroku district of Japan. X-ray microdiffractometry of this mineral gives...1Sb0.2)Σ4.3Ge1.7S32 for that coexisting with chalcopyrite, consistent with the ideal formula of Cu24+xV2(As |  | | 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...major constituents of the deposits are pyrite, chalcopyrite, sphalerite, galena, barite and quartz. They...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 | | | Journal (article/letter/editorial) | | and bournonite from the Kuroko deposits, Akita Prefecture, Japan 山 岡 一 雄(Kazuo Yamaoka)* 根 建 心 具(Munetomo...ore zone. Carrollite is found exclusively in a chalcopyrite rich part of the black ore of the Matsumine...pyrite and also with mine. The Meneghinite, bournonite ore deposits of the Kosaka crystals of meneghinite...2-0.3 wt% associated Fe), tennantite, with chalcopyrite, galena bornite and boulangerite are found...found in the black ore from the Uwamuki mine. Moreover, at the Uwamuki No. 3 ore deposit, euhedral bournonite |  | | Journal (article/letter/editorial) | | type solution mineralization responsible in Japan YOSHIMICHI KAJIWARA Geological and Mineralogical...of Science, Tokyo Kyoiku University, Tokyo 112, Japan (Received August 12, 1972; in revised form February...geochemical data for the Kuroko type deposits in. Japan, an attempt has been made to calculate the concentrations...formations, particular ly in northeastern parts of Japan. In general, the deposits show a unique stratified...ore (quartz-pyrite-chalcopyrite ore), (2) pyrite ore and "yellow ore" (chalcopyrite-pyrite ore), (3) "black |  | | Journal (article/letter/editorial) | | Hydrothermal Alteration at a Kuroko Ore Deposit, Kosaka, Japan Keiko Hattori* and Karlis Muehlenbachs Department...surrounding the Uwamuki no. 4 Kuroko ore body, Kosaka, Japan. 6180 values of quartz from Siliceous Ore (S...volcanic rocks surrounding the ore deposits at Kosaka have uniform 6180 values, +8.1_+ 1.0% o (n = 50)...age (13 m.y.) in the " G r e e n Tuff" region of Japan. Such volcanogenic massive sulfide ores associated...galena, sphalerite, barite, chalcopyrite, and pyrite in the B.O., chalcopyrite and pyrite in the Y.O., quartz |  | | Journal (article/letter/editorial) | | althoughtheir differences in Sa2/Sa• ratio are notlargeß Chalcopyrite, sphalerite, bornite and tetrahedrite show...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 |  | | Journal (article/letter/editorial) | | of ore deposition,drawn by Mr. G. R. Green from mine maps and his own mapping; see Brathwaite (1974)...pyrite. In the Hokuroku basinthe mainmines(e.g., Kosaka,Hanaoka) appear area similar to that of the un...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...verticalmineralogicalzoning,generally from pyrite-chalcopyrite rich at the baseof the massiveore to pyrite |  | | Journal (article/letter/editorial) | | the Modern Analog of Hokuroku Basin, Northeast Japan: Geotectonic Significance of the New Hydrothermal...National Corporation (JOGMEC), Kawasaki, Kanagawa, Japan, 2Japan Agency for Marine-Earth Science and Technology...Yokohama, Kanagawa, Japan and 3Ocean Research Institute, University of Tokyo, Tokyo, Japan Abstract A huge...Basin, which is representative of kuroko fields in Japan. The topographic features of the NMR and the Hokuroku...volcanic front. 1. Introduction In April 2003 Japan Oil, Gas and Metals National Corporation (JOGMEC) |  | | Journal (article/letter/editorial) | | Potential for Base and Precious To Metal Deposits in Japan 2020) Antonio ARRIBAS and Toshio MIZUTA Faculty...Sciences, Akita University, Akita, Japan Abstract There are no known porphyry copper deposits in Japan. Attempts...latter option. In this article, we focus on Akita Prefecture and the surrounding areas and consider the...Honshu and that it serves as a proxy for Japan in general. Akita is rich in mineralization styles and deposits...active vein mine, closed in 1978. Kuroko deposits, the main source of metal production in Akita in the 20th |  | | 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...massivebodies in rhyolitic tuff, tuff breccia, and chalcopyrite crystalsfrom the siliceous pyrite and mudstonesthat...in sericite), (3) water in fluid inclusions chalcopyrite(siliceousores). The stratiformmassive (with...Towada. The latter two typesof sampleswere ex(chalcopyrite+ pyrite), black ores (sphalerite+ pectedto providethe |  | | 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)...HOS=Hosokura; IW=Iwami; KIS= Kishu; KK -- Kushikino; KOS -- Kosaka; KN: Kanizawa; OP=Oppu; OS=Osarizawa; OZ=Oizumi; | | IMAI, NAOYA, LEE, HYUN KOO, SAKAI, TETSUO, PARK, No YOUNG (1982) Bournonite from the Janggun mine, Republic of Korea - Contributions to the knowledge of ore-forming minerals in the janggun lead-zinc-silver ores. 1. The Journal of the Japanese Association of Mineralogists, Petrologists and Economic Geologists, 77 (9) 310-321 doi:10.2465/ganko1941.77.310 | Journal (article/letter/editorial) | | J. Japan. Assoc. Min. Pety. Econ. Geol 77, 310-321, 1982 Bournonite from the Janggun mine, Republic...Engineering, Waseda University, Ohkubo 3-4-1, Tokyo 160, Japan No YOUNG PARK Korea Research Institute of Energy...are briefly described. Introduction The Janggun mine has been known as the largest producer of manganese...as manganese carbonate ores, indicating that the mine area is a new (Manuscript received June 7, 1982)...Annual Meeti ng of the Mineralogical Society of Japan , held in Sendai City, on J une 8, 1978, and the |  | | Journal (article/letter/editorial) | | 974-991 Isotopic Geochemistry of the ThermalWatersof Japan and its Bearingon the KurokoOre Solutions HITOSHI...Tertiary formationsunderlying mostvolcanicareasof Japan. The ore solutions responsiblefor Kuroko ore depositswere...isotopicfeaturesof certain 974 THE THERMAL WATERS OF JAPAN 975 types of ore solutions(Hall and Friedman 1963;...physicochemical conditions. Major thermal water systemsof Japan are in Tertiary to Recentvolcanicregions,especiallyin...Paleogeneplutonicand volcanicrocks. The thermalwatersof Japan,therefore,havea wide variationin chemistryrangingfrom |  | | 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...basin, Japan for the first time. Main ore minerals are sphalerite, galena, pyrite, chalcopyrite, tetrahedrite-tennantite...the mineral assemblage of bornitepyrite and chalcopyrite, which shows high sulfur fugacity conditions...sedimentary basin in the Hokuroku district, Akita Prefecture, Japan (Fig. 1; Sato et al., 1974). In the Hokuroku |  | | Journal (article/letter/editorial) | | Research, University, Misasa, Tottori 682-02, Okayama Japan (Received August 13, 1973) Abstract-The 5180 and...of gypsum from the Kuroko type mineralization in Japan mostly fall in narrow ranges from -6 to -8 and from...UKLONSKIIet al., 1966). Most of gypsum deposits in Japan are found in so called Kuroko deposits which...contemporaneous submarine volcanisms (Geol. Survey of Japan, 1960; TATSUMI et al., 1970). Geology and mineralogy... 180 and D in gypsum 155 Kuroko districts of Japan. The Kuroko deposits may be divided into two types; |  | 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) | | 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 |
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Kosaka mine, Kosaka, Akita Prefecture, Japan