 | | Journal (article/letter/editorial) | | THE OGANO MINE, TOCHIGI PREFECTURE, HIDEO CENTRAL MINATO, ** NAOYA IMAI*** and JAPAN* RYOHEI OTSUKA***...the Annual Meeting of the Clay Science Society of Japan, held in Tokyo on Oct. 28, 1967 ** Institute of...palygorskite has been regarded as a rare mineral in Japan, so that only a few works have been made on this...sub-level stopping was in progress at the Ogano mine, which is the largest producer of limestone and...carbonate formation ("Nabeyama formation") at the Ogano mine. The present study was undertaken to clarify the |  | | Journal (article/letter/editorial) | | contents of Triassic and Permian limestones in central Japan Shoichi Aizawa and Hideo Akaiwa Department of Chemistry...Engineering, Gunma University, Kiryu, Gunma 376, Japan (Received September 21, 1991; revised and accepted...contents of Triassic and Permian limestones in central Japan. Chem. Geol., 98:103-110. Cadmium contents are high...high in Japanese Palaeozoic limestones in central Japan, the values ranging from 0.17 to 2.41 ppm. The average...from other regions. Cd appears to be present in calcite because: (a) most of this element is contained |  | | Journal (article/letter/editorial) | | Science,Universityof Tokyo,Bunkyo-ku,Hongo,Tokyo113, Japan Abstract The assemblage and mode of occurrenceof...deposittypes: quartz, chalcedonicquartz, adularia, calcite, smectite, interstratified mica-smectite, interstratified...Au-Ag-richdeposits;chlorite, quartz, sericite,carbonates(calcite, rhodochrosite, siderite),and (magnetite) • in...suggestthat the fco• for vein-type mineralizationin Japan is controlled by alteration mineralscommonlyoccurringin...K-feldspar,and calcite). From a summaryof hostrocksfor Neogenevein-typemineralizationdistrictsin Japan,it was |  | | 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, | | KURODA, YOSHIMASU, KIDA, YOSHIHARU, WATANABE, KOJI, OBA, TAKESHI, MATSUO, SADAO (1986) D/H study on clay minerals from the Iwami Kuroko deposit, Shimane Prefecture, Japan. The Journal of the Japanese Association of Mineralogists, Petrologists and Economic Geologists, 81 (8) 302-311 doi:10.2465/ganko1941.81.302 | Journal (article/letter/editorial) | | J. Japan, Assoc. Min. Petr. Econ. Geol. 81, 302-311, 1986 D/H study on clay minerals from the Iwami...Iwami Kuroko deposit, Shimane Prefecture, Japan YOSHIMASU KURODA*, YOSHIHARU KIDA**,KOJIWATANABE*, TAKESHI...ShinshuUniversity, Matsumoto, 390 Japan **TheMetalMiningAgencyof Japan, Minato-ku,Tokyo,105Japan ***Department...from Kuroko deposit deposit in Shimane Prefecture, Japan, is ade rite quate for field studies of... et al., Yoshida et al., 1977; Yoshida, et al., 1981; etc.). 1968; 1974; 1979; Yoshida for to Outline |  | | Journal (article/letter/editorial) | | Special Issue M. Petrological Satish − Kumar, Y. Yoshida and 99, I. Kusachi The role of aqueous silica...contact aureole, Okayama, Japan Madhusoodhan SATISH − KUMAR*, Yasuhito YOSHIDA* and Isao KUSACHI** * Department...Science, Shizuoka University, Shizuoka 422 − 8529, Japan ** Department of Earth Sciences, Faculty of Education...University, Okayama 700 − 8530, Japan The contact aureole at Fuka, Okayama, Japan is peculiar for the occurrence...metamorphism from Fuka contact aureole, Okayama, Japan fluids as well as fluid flow. Further, higher temperature |  | | 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...volcanism. Carbon and oxygen isotope ratios of skarn calcite and sulfur isotope ratios of sulfides were measured |  | | Journal (article/letter/editorial) | | Central Japan: A Natural Analogue Study Minoru UTADA 912-14 Futo, Itoh, Shizuoka Prefecture 413-0231...413-0231, Japan [utada@d8.dion.ne.jp] Received on July 30, 2003; accepted on November 12, 2003 Abstract: The...Tsukiyoshi uranium deposit in Gifu Prefecture is the largest one in Japan. It is embedded in lower part of...is rather rare. Carbonate minerals, including calcite, dolomite, siderite and rhodochrosite are common...uranium and clinoptilolite. On the other hand, Yoshida et al. (1991) insisted a remarkable association |  | | Journal (article/letter/editorial) | | low-sulfidation epithermal gold deposit, Northeast Japan arc Teruhiro Suzuki | Shota Satori Graduate School...International Resource Sciences, Akita University, Akita, Japan Correspondence Yasushi Watanabe, Graduate School...Akita 010-8502, Japan. Email: y-watanabe@gipc.akita-u.ac.jp Funding information Japan Society for the...deposits in the Tohoku region of the Northeast Japan arc; however, these deposits have undergone limited...research study of the Bosawa deposit in Akita Prefecture was conducted to support future gold exploration |  | | Journal (article/letter/editorial) | | with the Tono sandstone-type uranium deposit in Japan Received: 9 February 1996 / Accepted: 11 April...Abstract The Tono sandstone-type uranium mine area, middle Honsyu, Japan is composed of Miocene lacustrine sedimentary...and marine facies in the upper part (15±16 Ma). Calcite and pyrite occur as dominant diagenetic alteration...Neogene sedimentary rocks. The characteristics of calcite and pyrite dier signi®cantly between lacustrine...lacustrine and marine facies. Abundant pyrite, calcite, organic matter, and small amounts of marcasite or pyrrhotite |  | | Journal (article/letter/editorial) | | Studies, Nagoya University, Chikusa, Nagoya 464-8602, Japan (Received March 1, 2006; Accepted January 30, 2007)...Geological fractures commonly contain the minerals calcite and zeolite, which have crystallized in the fracture...isochron method to the fracture-filling paragenetic calcite and zeolite samples from fractures in the Kurihashi...granodiorite and a skarn in the Kamaishi mine in northeastern Japan. The age of crystallization of fracture-filling...dating, fracture-filling mineral ishchron, Kamaishi mine, application of Rb-Sr isochron method In the FT |  | | Journal (article/letter/editorial) | | in the Tono uranium mine mineralogy area, in the basement Gifu Prefecture, Groundwater composition...fracture filling minerals Japan analysis T. IWATSUKI and H. YOSHIDA Japan Nuclear Cycle Development...959-31, Jorinji, Izumi-cho, Toki, Gifu 509-5102, Japan (Received March 31, 1998; Accepted September 9,...suggest that the dissolution of plagioclase and calcite is more significant in the shallower part than...controlled mainly by the dissolution of plagioclase and calcite, and by the ion exchange reaction between montmorillonite |  | Shuto, K., Ohki, J., Kagami, H., Yamamoto, M., Watanabe, N., Yamamoto, K., Anzai, N., Itaya, T. (1993) The relationships between drastic changes in Sr isotope ratios of magma sources beneath the NE Japan arc and the spreading of the Japan sea back-arc basin. Mineralogy and Petrology, 49 (1) 71-90 doi:10.1007/bf01162927 | Journal (article/letter/editorial) | | of Magma Sources Beneath the NE Japan arc and the Spreading of the Japan Sea Back-arc Basin K. Shuto 1...University, Japan, 2 Institute for Study of the Earth's Interior, Okayama University, Japan, 3Institute...College, Akita University, Japan, 4 IDOWR Engineering Company Ltd, Japan, 5Hiruzen Research Institute...Institute, Okayama University of Science, Japan With 6 Figures Received May 20, 1992; accepted January 22, 1993...Tertiary and Quaternary basaltic rocks from the NE Japan arc, relationships are discussed between the temporal |  | | Journal (article/letter/editorial) | | Sulfide Ores at the Ashio Copper Mine, Ashio Terrane, Central Japan Kosei KOMURO, Masanori YOSHIDA1 and...of Tsukuba, 1-1-1 Ten'nodai, Tsukuba 305-8572, Japan [e-mail: komuro@arsia.geo.tsukuba.ac.jp] 1 Present...194-0032, Japan. 2 Present address: 2-18 Kamitakatsu-shinmachi, Tsuchiura 300-0819, Japan Received on...copper-mining district, Ashio Terrane, central Japan. The sequence is lithologically classified into...accumulations.. Keywords: sulfur isotope, Ashio Mine, Kajika massive sulfide ore, accretionary complex |  | Masuda, Harue, Sakai, Hitoshi, Chiba, Hitoshi, Matsuhisa, Yukihiro, Nakamura, Takeshi (1986) Stable isotopic and mineralogical studies of hydrothermal alteration at Arima Spa, Southwest Japan. Geochimica et Cosmochimica Acta, 50 (1) 19-28 doi:10.1016/0016-7037(86)90044-x | Journal (article/letter/editorial) | | hydrothermal alteration at Arima Spa, Southwest Japan HARUE MASUDA,“’ HITOSHI SAKAI,’ HITOSHI CHIBA,~YUKIHIRO... Misasa, Tottori 862-02 ’ Geological Survey of Japan: I-1-3, Higashi, Yatabe. Ibaraki 305 (Received May...1985) Abstract-The waters of Arima Spa, Southwest Japan. have high salinity (Cl = 54 g/kg) and high isotopic...of 2M- and 1M-type muscovite, albite, chlorite, calcite and epidote, whereas muscovite and Fe-chlorite...they are saturated with siderite but not with calcite at depth, in good accord with the mineralogical | | | Journal (article/letter/editorial) | | J. Japan. Assoc. Min Petr. Econ. Geol. 81, 51-58, 1986 Iron-rich pumpellyite and prehnite from the...gabbroic sills of the Shimane Peninsula, Southwest Japan KAZUHIKO KANO,HIROYUKI SATOHand MICHIAKI BUNNO Geology...Geological Surveyof Japan,1-3 Higashi1-chome, Yatabe-machi, Tsukuba-gun, Ibaraki-ken 305, Japan. In the three...in pumpellyite and prehnite ever reported from Japan. Introduction and geologic The Shimane Progressively...Peninsula is situated on the Japan Sea side of the San'in district, Southwest Japan, and is underlain principally |  | Nagashima, Mariko, Akasaka, Masahide, Morifuku, Yoji (2016) Ore and Skarn Mineralogy of the Yamato Mine, Yamaguchi Prefecture, Japan, with Emphasis on Silver-, Bismuth-, Cobalt-, and Tin-bearing Sulfides. Resource Geology, 66 (1) 37-54 doi:10.1111/rge.12085 | Journal (article/letter/editorial) | | and Skarn Mineralogy of the Yamato Mine, Yamaguchi Prefecture, Japan, with Emphasis on Silver-, Bismuth-...Engineering, Yamaguchi University, Yoshida 1677-1, Yamaguchi 753-8512, Japan, 2Department of Geoscience, Faculty...Matsue 690-8504, Japan, and 3Center for Instrumental Analysis, Yamaguchi University, Yoshida 1677-1, Yamaguchi...753-8512, Japan Abstract Assemblages and chemical compositions of ore minerals from the Yamato mine, Yamaguchi...Yamaguchi Prefecture, Japan, were investigated in detail to clarify its characteristics as a skarn deposit |  | Nishimoto, Shoji, Yoshida, Hidekazu, Asahara, Yoshihiro, Tsuruta, Tadahiko, Ishibashi, Masayuki, Katsuta, Nagayoshi (2014) Episyenite formation in the Toki granite, central Japan. Contributions to Mineralogy and Petrology, 167 (1) doi:10.1007/s00410-013-0960-8 | Journal (article/letter/editorial) | | formation in the Toki granite, central Japan Shoji Nishimoto • Hidekazu Yoshida • Yoshihiro Asahara • Tadahiko...Toki Cretaceous granite distributed in central Japan. In order to understand the petrographical features... Nagoya, Aichi 460-0008, Japan e-mail: shoji@ncsm.city.nagoya.jp H. Yoshida Y. Asahara Nagoya University...464-8601, Japan T. Tsuruta M. Ishibashi Mizunami Underground Research Laboratory, Japan Atomic Energy...Gifu 569-6132, Japan N. Katsuta Gifu University, 1-1 Yanagido, Gifu City 501-1193, Japan chlorite, and |  | | Journal (article/letter/editorial) | | Two types of ores are recognized in the Huanzala mine, Peru. Zinc and lead ore of adularia-sericite type...and skarn. Orthoclase (adularia), sericite and calcite are found in the skarn and altered country rocks...and tellurium minerals. Although sericite and calcite are found only at the earlier stage in the mineralization...copper ores from the Teine mine, Hokkaido, Japan and the Chinkuashih mine, Taiwan are acid-sulfate type...The enargite and luzonite ores in the Hokuetsu mine, Japan are closely associated with native sulfur of |  | | Journal (article/letter/editorial) | | Implication for the Absence of Porphyry Cu Deposits in Japan Yasushi WATANABE, Ryuya SATO* and Adi SULAKSONO...Sciences, Mining Museum of Akita University, Akita, Japan Abstract The role of potassic alteration and associated...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...scarcity of potassic-altered intrusive rocks in Japan is explained by the noncompressional stress field |  | | Journal (article/letter/editorial) | | Hidekazu Yoshida b a b Nagoya City Science Museum, 2-17-1 Sakae, Naka, Nagoya, 460-0008 Japan Nagoya University...University Museum, Furocho, Chikusa, Nagoya, 464-8601 Japan a r t i c l e i n f o Article history: Received...drill core through Toki granite, Gifu, central Japan. Microscopic observation, XRD, XRF, EPMA and SXAM...geothermal system with a higher density of fractures (Yoshida et al., 2005). However, granitic rock underlying...radioactive waste disposal (Yoshida et al., 2005; Sandström et al., 2008; Yoshida et al., 2009). In the case |  | | Journal (article/letter/editorial) | | Hokuroku District, Northeast Japan HARUHISA MOROZUMI,†,* NOBUAKI ISHIKAWA, Japan Oil, Gas and Metals National...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...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) | | University, Kitashirakawa Oiwakecho, Kyoto 606–8502, Japan We report the new finding of barroisite (Brs)–bearing...mineral assemblage lawsonite + phengite + Chl + calcite + Ab + Qz is reported from pelitic schist of the...yielded metamorphic temperatures of 302–340 °C (Yoshida et al., 2016). Temperature estimates based on different...hematite, Ab, and Qz along with a minor amount of calcite, 42 R. Kato and T. Hirajima Figure 1. (A) Geological...core and rim (Fig. 3A). Ep, Chl, Ab, Qz, mica, calcite, and titanite occur as inclusion phases in the |  | | Journal (article/letter/editorial) | | Neogene fluvial sediments in southwest Japan Nozomi Hatano a,⁎, Kohki Yoshida b, Eiji Sasao c a b c Interdisciplinary...Nagano Prefecture 3908621, Japan Department of Geology, Faculty of Science, Shinshu University, Japan Japan...Japan Atomic Energy Agency, Japan a r t i c l e i n f o Article history: Received 28 December 2018 Received...Miocene and Pliocene fluvial sediments in southwest Japan in order to evaluate the effects of grain size on...Pliocene fluvial sediments distributed in southwest Japan. 2. Sample information Lower Miocene to Pleistocene |  | | Journal (article/letter/editorial) | | natural from U-series the Tono mine, nuclides central in Japan YUTAKA KANAI,' YASUKO OKUYAMA,2...Survey of Japan, 1-3, Higashi 1-chome, Tsukuba, Ibaraki 305-8567, Japan , Geological Survey of Japan, 1-3...Ibaraki 305-8567, Japan Corporation, 959-31, Jyorinji, Izumi, Toki, Gifu 509-5102, Japan (Received October...conglomerate from the Tono uranium mine, Gifu prefecture, central Japan, was studied by grain size division...INTRODUCTION The mentary mine, general formation uranium ore deposit Gifu prefecture, be that U was dissolved |
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