 | | Journal (article/letter/editorial) | | of 141, 1971 rhenium from in molybdenites Japan* KIKUO TERADA', SUSUMU OSAKI' * *, SHUNSO ISHIHARA2...Geological Survey of Japan, October 14, 19 70; in Kanazawa Kawasaki', University, Japan revised form December...contact-metasomaticdeposits,disseminateddepositsand quartz veins, 3) as far as plutonic type of molybdenites...Department of Earth Sciences, Faculty of Science, Nagoya Japan. University. University, K. TERADA 124 et alL...SEIKYU 170) P 15 14 00(30) OSA-KAKEYA (13) /eo KOMAKI SANAEDA SODAGAWA KAIFU KOKUROBE, KAMIOKA SH |  | | Journal (article/letter/editorial) | | Agesof the Major Tungstenand Molybdenum Deposits in Japan KEN' SI-IIBATA AND SHUNSO ISHIHARA Abstract Th...similarto thoseof the Tungstenprovinceof southwest Japan,K-Ar agesequivalentto thoseof the Molybdenurnprovincehavenot...We collectedmaterials suitable for K-Ar dating quartz veins having "greisen"envelopes.Skarnfrom demonstrativeore...a high magnetitecontent (Ishihara, of southwest Japan. However, some of the so1971b; Kanaya and Ishihara...Akenobe type") and base metal skarn deposits are quartz veinsand somelead-zincdepositsmostlyof also included |  | | Journal (article/letter/editorial) | | PLAGIOCLASE–QUARTZ ROCKS OF METASOMATIC ORIGIN AT THE EXPENSE OF GRANITIC ROCKS OF THE KOMAKI DISTRICT, SOUTHWESTERN...SOUTHWESTERN JAPAN Tetsuichi TAKAGI and Kazuki NAITO Research Center for Deep Geological Environments, Geological...Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST),...Central-7, 1–1–1 Higashi Tsukuba, Ibaraki, 305–8567, Japan Lorence G. COLLINS Department of Geological Sciences...and Engineering, Shimane University, 1060 Nishikawatsu, Matsue, Shimane, 690–8504, Japan Abstract In the |  | | Journal (article/letter/editorial) | | J. Japan. Assoc. Min. Petr. Econ. Geol. 74, 357-375, 1979. MINERALOGICAL STUDY ON THE WOLFRAMITE SERIES...SERIES FROM THE CHUGOKU DISTRICT , SOUTHWEST JAPAN (I) RELATIONSHIPS BETWEEN AND LATTICE CHEMICAL ...Science , Hiroshima University, Hiroshima, 730, Japan In the Chugoku the Late around mineralogical...possibility series Zone, end not are member Mn- district deposits by those of in from deposits. ...b0, occurrence Fe/Mn natural unit influence mine a0, compositional rare the substitution of |  | | Journal (article/letter/editorial) | | Re-0s dating of molybdenites from ore deposits in Japan: Implication for the closure temperature of the...University of Tokyo, Komaba, Megnro, Tokyo 153, Japan *Department of Earth Sciences, Faculty of Science...860, Japan ‘Department of Chemistry, University of Electra-Communications, Chofn, Tokyo 182, Japan (Received...determined on molybdenites from eighteen ore deposits in Japan; fifteen vein-type, a skam-type, a greisen-type...molybdenites from northeastern, central, and southwestern Japan are 100-130 Ma, 50-75 Ma, and ca. 10 Ma, respectively |  | | Journal (article/letter/editorial) | | Implication for the Absence of Porphyry Cu Deposits in Japan Yasushi WATANABE, Ryuya SATO* and Adi SULAKSONO...University, Akita, Japan Abstract The role of potassic alteration and associated quartz veins for porphyry...the potential of porphyry Cu mineralization in Japan. The reactions between the aqueous magmatic–hydrothermal...Cretaceous–Paleogene Southwestern Japan arc and late Miocene Northeast Japan arc, potassic alteration represented...association with phyllic alteration, represented by quartz, sericite and pyrite, or chalcopyrite in chlorite– | | | Journal (article/letter/editorial) | | Nakatatsu of possible porphyry mine, Fukui Prefecture, type at SW Japan SATOSHI MURAO*, YOJI SEKI* and...NAKAJIMA* *Geological Survey of Japan , Higashi 1-1-3, Tsukuba, 305, Japan Molybdenum mineralization is...mineralization at the Nakatatsu mine. The mineralization consists of: (1) quartz-molybdenite veins; (2) molybdenite...disseminated molybdenite. The ore bodies are hosted in quartz porphyry, plagioclase porphyry, non-calcareous...The Nezugaseki molybdenum deposit of Niigata Prefecture which was mined during the World War II, was |  | | Journal (article/letter/editorial) | | the composition of the wolframite series from SW Japan and possible factors controlling compositional variations...of Science, Yamagata University, Yamagata 990, Japan 2 Institute of Geology and Mineralogy, Faculty of...of Science, Hiroshima University, Hiroshima 730, Japan Abstract. The regional and local variations in the...magnetite-series granitoids in the Inner Zone of SW Japan were investigated using X-ray diffraction and microprobe... while, as exemplified by the Kaneuchi mine, Kyoto Prefecture, the wallrock chemistry and pH of ore fluids |  | | 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 |  | Watanabe, Makoto, Nishido, Hirotsugu, Hoshino, Kenichi, Hayasaka, Yasutaka, Imoto, Nobuhiro (1998) Metallogenic epochs in the Inner Zone of southwest Japan. Ore Geology Reviews, 12 (4) 267-288 doi:10.1016/s0169-1368(98)00002-x | Journal (article/letter/editorial) | | Metallogenic epochs in the Inner Zone of southwest Japan Makoto Watanabe a a,) , Hirotsugu Nishido b, Kenichi...Science, Hiroshima UniÕersity, Higashi-Hiroshima 739, Japan b Research Institute of Natural Sciences, Okayama...717-06, Japan c Department of Earth Sciences, Kyoto UniÕersity of Education, Kyoto 612, Japan Received...metallogenic epochs in the Inner Zone of southwestern Japan are classified by considering mainly radiometric...ilmenite — series granitoids occurring in southwestern Japan, eastward younging is also recognized in these mineral |  | | 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...the huge rich Doyashikiore bodyat Hanaoka,Akita Prefecture. Severalgeophysical methods of p.rospecting |  | Kihara, Shouji, Hoshino, Kenichi, Watanabe, Makoto, Nishido, Hirotsugu, Ishihara, Shunso (2005) K-Ar Ages of Granitic Magmatism and Related Pegmatite Formation at the Umanotani-Shiroyama Mine, Shimane Prefecture, SW Japan and Their Bearings on Cooling History. Resource Geology, 55 (2) 123-129 doi:10.1111/j.1751-3928.2005.tb00234.x | Journal (article/letter/editorial) | | Formation at the Umanotani-Shiroyama Mine, Shimane Prefecture, SW Japan and Their Bearings on Cooling History...Science, Hiroshima University, Hiroshima 7398526, Japan [e-mail (MW): watababe@geol.sci.hiroshima-u.ac.jp]...Science, Okayama 717-0602, Japan ** Geological Survey of Japan, Ibaraki 305-8567, Japan 1 Present address: Energy...1-3-1 Kasumigaseki, Chiyoda-ku, Tokyo 100-8931, Japan Received on March 12, 2005; accepted on May 1, 2005...deposits, the largest producer of K-feldspar and quartz in Japan, are of typical granitic pegmatite. Ilmenite-series |  | | Journal (article/letter/editorial) | | Around the Hokuroku District, Northeast Japan HARUHISA MOROZUMI,†,* NOBUAKI ISHIKAWA, Japan Oil, Gas and Metals...National Corporation, 1310 Omiya, Saiwai, Kawasaki, Japan 212-8554 AND YOHEI ISHIKAWA Akita Prefectural...Kazuno-gun, Akita, Japan 017-0202 Abstract In the inner zone of the northeastern Japan arc, kuroko-type...host such deposits in and around the Hokuroku district, the main deposits occurring at 14.32 Ma and coinciding...Introduction THE METAL MINING AGENCY of Japan (MMAJ), now called the Japan Oil, Gas and Metals National Corporation |  | | Journal (article/letter/editorial) | | Ore 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...the Ezuri Kuroko deposit in the Hokuroku district of Japan. X-ray microdiffractometry of this mineral...association with the igneous activity of the Ohtaki quartz diorite of the later Onnagawa stage. It is likely...transformation or recrystallization of biogenic opal into α-quartz. Keywords: colusite, germanium, siliceous ore, |  | | Journal (article/letter/editorial) | | from the Ohori Base Metal Deposit, Yamagata Prefecture, NE Japan: Implications for Bi-metallogenesis in the...Environmental Sciences, Yamagata University, Yamagata, Japan Abstract The Ohori deposit, one of the base metal...metal deposits in the Green-Tuff region, NE Japan, is composed of two types of mineralization; a skarn-type...Sciences, Yamagata University, Yamagata 990-8560, Japan. Email: nakashi@sci.kj.yamagata-u.ac.jp © 2010 The...deposit-types and geology of Bi-produced deposits in Japan and the world, and proposed some guide lines of | | | 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...Hanawa. He also made surveys and inspections at Komaki, Nagaki and many other mines which have black ore...mining district where he has been prospecting for and develop ing for a long time. The Ainai mine is located... Kazuno County, Akita Prefecture and about 10 Km northwest of the Kosaka mine. Dr. K. Kinoshita (1931) |  | | Journal (article/letter/editorial) | | SEPTEMBER OCTOBER, 1964 FROM ,{LKALINE ROCKS OF JAPAN KUN-Icnrno Aorr,1 InsLitute oJ Mineralogy, Petrologyand...rocks, which belong to the alkaline rocks from Japan, have been separated and analyzed chemically. All...studies of clinopyroxenes from the alkaline rocks of Japan, Morotu (Yagi, 1953), and Pantelieria (Carmichael...clinopyroxenesfrom the alkali basalt-trachyteseriesof Japan. The principal purposeis to establish crystallization...PErRoGRApHrcFEATURES Most Cenozoicvolcanic rocks of Japan beiong to the tholeiitic, high alumina-basalt,or |  | Watanabe, Makoto, Nishido, Hirotsugu, Moriwaki, Hisamitsu, Higashimoto, Sadao, Kubota, Yoshinori (1988) K-Ar ages of skarn deposits in the inner zone of southwestern Japan. GEOCHEMICAL JOURNAL, 22 (5) 231-236 doi:10.2343/geochemj.22.231 | Journal (article/letter/editorial) | | Inner Zone of skarn deposits of southwestern Japan MAKOTO WATANABE1, HIROTSUGU NISHID02*, HISAMITSU...Geological and Kuga mine, Hiroshima 7301, University of Otago, New Zealand2, Agency of Japan, Iwakuni, Yamaguchi...Yamaguchi 7403, Survey Hiroshima of Japan, Mikawa-cho, University, Hiroshima Yamaguchi (Received...1988; Accepted 7304, 740-045, January 30, Japan 1989) Using K-Ar method, five ages were measured...hornblende from the Ushirodani Cu-Zn skarns, Tottori Prefecture (60.7 ± 3.1, 60.8 ± 1.9 Ma); muscovite from the |  | | Journal (article/letter/editorial) | | , Australia. Lithos 7, 43-51. Pipe deposits of quartz-bismuthinite-molybdenite in the roof zone of a...the contact with Ordovic, ian metasediments. The quartz-rich pipes are surrounded by broadly concentric...feldspar-quartz microbreccia zones transgress the rock and commonly the fractures in quartz are subparallel...where the zone of spessartitisation is absent, the quartz-rich pipes grade into a broad area of sericitised...average mode of plagioclase 65%, K-feldspar 25%, quartz 7% and muscovite 3%. The euhedral plagioclase (Arts |  | 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) | | ULTRAMAFIC AND MAFIC INCLUSIONS FROM IKI ISLAND , JAPAN KEN-ICHIRO AOKI Institute of Mineralogy, Petrology...ultramafic and matic inclusions in Iki Island, Japan, occur in several alkali basalt flows. New analyses...basalts and related rocks of Iki Island, southwestern Japan; they are distinguished by their characteristic...attain 10 cm in diameter. An alkali basalt from Komaki, Numazu, on Iki Island contains both the spinel-bearing...volume iron 109 of the host rocks Hatsuyama, Komaki, from parallel a direction.Their are transparent |  | | Report (issue) | | mineral col lector, was born in Kanazawa, Ishikawa Prefecture, on August 30, 1874. Soon after his graduation...at the Arakawa Mine, Akita Prefecture. In 1909, he was promoted to Director of the Mine and held. the...then that of the Director of the Yoshioka Mine, Okayama Prefecture, for about seven years altogether. He...technology in the first half of this century in Japan. He retired from the Advisory Board of the Mitsu...such volumes as " Beiträge zur Mineralogie von. Japan ", Neue Folge I and II (T. Ito, 1937), " Japanese |  | | Journal (article/letter/editorial) | | Takara Volcanogenic Massive Sulfide Deposit, Central Japan Daigoro YAKUSHI and Mamoru ENJOJI Department of...Sciences, Waseda University, Shinjuku, Tokyo 169-8050, Japan [e-mail: dyakushi@akane.waseda.jp] Received on July...Mountain, the South Fossa Magna region, central Japan. The tectonic setting of the Misaka Mountain is...Mountain, the South Fossa Magna region, central Japan, about 90 km west of Tokyo (Fig. 1). Conventionally...typically occur in Miocene formation in northeast Japan (Sato, 1974). However, the geology of the Misaka |  | Akai, Junji, Izumi, Kaoru, Fukuhara, Haruo, Masuda, Harue, Nakano, Satoshi, Yoshimura, Takahisa, Ohfuji, Hiroaki, Md Anawar, Hossain, Akai, Kurumi (2004) Mineralogical and geomicrobiological investigations on groundwater arsenic enrichment in Bangladesh. Applied Geochemistry, 19 (2) 215-230 doi:10.1016/j.apgeochem.2003.09.008 | Journal (article/letter/editorial) | | Niigata Uiniversity, Ikarashi-2, Niigata 950-2181, Japan Department of Biology, Faculty of Education and...Niigata University, Ikarashi-2, Niigata 950-2181, Japan c Department of Earth Sciences, Osaka City University...558-8585, Japan d Department of Geology, Shiga University, Hiratsu-2, Ohtsu 520-0862, Japan e Department...Niigata 950-2181 Japan g Kamo Gyosei High School, Gakkou-cho 16, Kamo 959-13, Japan b Abstract Sources...a borehole drilled at Samta village in Jessore district of Bangladesh within the framework of a joint |  | Fujimoto, Koichiro, Fukutani, Katsuyuki, Tsunoda, Makoto, Yamashita, Hiroshi, Kobayashi, Koichi (1993) Hydrogen depth profiling using 1H(15N,.ALPHA.GAMMA.)12C resonant nuclear reaction on water-treated olivine surfaces and characterization of hydrogen species. GEOCHEMICAL JOURNAL, 27 (3) 155-162 doi:10.2343/geochemj.27.155 | Journal (article/letter/editorial) | | Geothermal Research Department, Geological Survey of Japan, Tsukuba, Ibaraki 3051, Institute for Solid State...16, 1992; Accepted University of Tokyo, 1054, Japan May 28, 1993) Natural olivine crystals (Fog,)...of the evaporated gold layer was measured with a quartz oscillator thickness analyzer in the sample chamber...Survey of Japan kindly helped our hydrothermal ex periments. Profs. Y. Murata and K. Komaki of Uni versity...Iwata, Y., Fujimoto, F., Vilalta, E., Ootuka, A., Komaki, K., Kobayashi, K., Yamashita, H. and Murata, Y |
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