 | IZUMINO, Yuya, NAKASHIMA, Kazuo, NAGASHIMA, Mariko (2014) Cuprobismutite group minerals (cuprobismutite, hodruÅ”hite, kupÄĆkite and padÄraite), other Biāsulfosalts and Biātellurides from the Obari mine, Yamagata Prefecture, Japan. Journal of Mineralogical and Petrological Sciences, 109 (4) 177-190 doi:10.2465/jmps.140129 | Journal (article/letter/editorial) | | Biāsulfosalts and Biātellurides from the Obari mine, Yamagata Prefecture, Japan Yuya IZUMINO*, Kazuo NAKASHIMA** and...University, Kojirakawa 1ā4ā12, Yamagata 990ā8560, Japan Department of Earth and Environmental Sciences,...University, Kojirakawa 1ā4ā12, Yamagata 990ā8560, Japan *** Graduate School of Science and Engineering,...753ā8512, Japan Cuprobismutite group minerals have been discovered for the ļ¬rst time in Japan from the...the Obari mine, Yamagata Prefecture. Furthermore, many kinds of Biāsulfosalts and Biātellurides have been |  | | Journal (article/letter/editorial) | | Hidehiko Shimazaki* Abstract: About 120 specimens of magnetite from various localities are examined by an electron...Mƶssbauer experiment demonstrates that one silician magnetite has a maghemite -like structure by the omission...report of such magnetite was made by Shiga (1988, 1989), who found that some parts of magnetite from the Kamaishi...Kamaishi Cu-Fe skarn deposit, Japan, contain a significant amount of silica, 4.9 to 6.3 wt %, with trace...magnetites are closely associated with low-SiO2 magnetite, and he assumed the presence of a miscibility |  | | Journal (article/letter/editorial) | | University of Tokyo, Hongo, Tokyo 1131, and Institute for Study of the Earth's Interior, Okayama University,... Misasa, Tottori-ken, 682-022 , Japan (Received March 26, 1986: Accepted May 15, 1986) Oxygen isotopic...and Fujigatani (+10.5 ' +10.8) skarn depositsin Japan. Oxygenisotope values of ore-formingfluids estimatedfrom...the solution and associated minerals such as magnetite and quartz in the deposits. On the basis of...solutions responsible for major skam deposits in Japan, using the isotopic data on skarn calcites from |  | | Journal (article/letter/editorial) | | Massive Sulfide Deposit: The Oldest Ore Deposit in Japan Tatsuo Nozaki,1,2,3,ā Yasuhiro Kato,1,2,3,4 and...(IFREE), Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 2-15 Natsushima-cho, Yokosuka...Kanagawa 237-0061, Japan 2Submarine 3Department Resources Research Project (SRRP), Japan Agency for Marine-Earth...Technology (JAMSTEC), 2-15 Natsushima-cho, Yokosuka, Kanagawa 237-0061, Japan of Systems Innovation, School...The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan 4Frontier Research Center for |  | Shimazaki, Hidehiko, Miyawaki, Ritsuro, Yokoyama, Kazumi, Matsubara, Satoshi, Bunno, Michiaki (2008) Occurrence and new data of dellaite from the Akagane mine, Japan. Journal of Mineralogical and Petrological Sciences, 103 (6) 385-389 doi:10.2465/jmps.080214 | Journal (article/letter/editorial) | | Occurrence and new data of dellaite from the Akagane mine, Japan Hidehiko Shimazaki*,**, Ritsuro Miyawaki*, Kazumi...Science, Hyakunin cho, Shinjuku, Tokyo 169 0073, Japan ** University of Tokyo, Hongo, Bunkyo, Tokyo 113...113 0033, Japan *** Geological Museum, Geological Survey of Japan, AIST, 1 1 1 Higashi, Tsukuba 305 8567...8567, Japan - - - - - - A new occurrence of dellaite, a very rare mineral, at the Akagane mine, Japan...Dellaite, Hydrous dicalcium silicate, Skarn, Akagane mine INTRODUCTION Dellaite is a very rare hydrous dicalcium |  | | Journal (article/letter/editorial) | | and reduced granitoids from the Uetsu region, NE Japan Yuya Izumino 1 & Teruyuki Maruoka 2 & Kazuo Nakashima...of granitoids from the Uetsu region, northeast Japan is investigated. Electron microprobe analysis of...of the oxidized Wasada granodiorite (I- type, magnetite-series). Bismuthinite is a major Bi mineral, and...1-4-12 Kojirakawa, Yamagata, Yamagata 990-8560, Japan 2 Division of Integrative Environmental Science...University, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572, Japan 3 Department of Earth and Environmental Sciences |  | | Journal (article/letter/editorial) | | Museum University of Tokyo 731 Hongo, Bunkyo-Ku Tokyo 113-0033, Japan t_tagai@um.u-tokyo.ac.jp ...Museum University of Tokyo 731 Hongo, Bunkyoku Tokyo 113-0033, Japan akikomk@attglobal.net 7OPSPWW...Franz von Siebold, collected them while working in Japan for the Dutch East India Company. The specimens...Indonesia, the director of the company sent him to Japan for comprehensive studies of 96*2: 405...(1603ā1867), the samurai Tokugawa clan governed Japan and closed the country to foreigners except for |  | | Journal (article/letter/editorial) | | Tokyo, Hongo, Hongo, Tokyo 1131, Ocean Department of Mineral Development Tokyo 113, Japan', and Department...defined by Ishihara (1977), while the latter to magnetite series, although the Daebo (e.g. Kim, 1971 b;...granitic rocks tend to change gradually into magnetite series toward the north (Shimazaki position depoists...the ore sulfur in the magnetite series granitoids predominant regions in Japan (Sasaki and Ishihara,...relation to the Cretaceous Bulgugsa granitoids of magnetite series (Sato et al., 1981 b). With these writers |  | | Journal (article/letter/editorial) | | SkarnDepositsin Japan TAKANORI NAKANO, Instituteof Geoscience, Universityof Tsukuba,Ibaraki305, Japan HIDEHIKO...Universityof Tokyo,Hongo,Tokyo113,Japan AND MASAAKI SHIMIZU UniversityMuseum,Universityof Tokyo,Hongo,Tokyo113...Tokyo113, Japan Abstract In orderto understand skarnpetrogenesis, we determined thestrontium isotopecompositions...singleminescale.On the otherhand,skarns from78 oredeposits in Japan revealregionalvariationsin the 87Sr/8aSr ratiorangingfrom0...Introduction 0361-0128/90/1069/794-2253.00 794 JAPAN: SrISOTOPE COMPOSITION OFSKARNS 795 exoskarn, |  | | Report (issue) | | 100.00 51.12 13.52 5.78 2.89 (1) East Moultan mine, Butte, Montana, USA; by electron microprobe; BeO...contact zones and skarns. Association: Garnet, magnetite, Ā°uorite, chlorite, diopside, vesuvianite. Distribution:... In the Hongo mine, Iwate Prefecture; the Oashi mine, Tochigi Prefecture; the Yagisawa mine, Nagano Prefecture;...Prefecture; and several other places in Japan. A few additional localities are known. Name: From the |  | | Journal (article/letter/editorial) | | associated with magnetite, sphalerite, galena and rare molybdenite. Some portions of magnetite are revealed...revealed to be silician magnetite. Sulfur fugacity is supposed to be below the stability field of bismuthinite...Kol area can be classified as weakly magnetic magnetite-series. Polyphase fluid inclusions are observed...Institute, University of Tokyo, 7-3-1 Hongo, Tokyo 113-0033, Japan * Present address: Department of Earth...Science, University of Tokyo, 7-3-1 Hongo, Tokyo 1130033, Japan [e-mail: akira@eps.s.u-tokyo.ac.jp] Keywords: |  | | Journal (article/letter/editorial) | | new silica-poor membersof calcic amphibolefrom Japan Hrppnxo Sntrraezerr Geological Institute, Faculty...Faculty of Science University of Tolcyo, Hongo, Tolcyo l13, Japan Mrcnrerr Buuxor Department of Mineralogy...University Museum University of Tolcyo, Hongo, Tolcyo 113, Japan nxo Tonnu Ozewe Mineralogical Institute...Faculty of Science University of Tolcyo, Hongo, Tolcyo ll3, Japan Abstract (K,Na)CazGe2*,Mg,Al,Fe3*,Ti)r[(Si...two separate localities, Yuge and Myojin Islands, Japan, where they occur in Al-, Ti- and Fe-rich skarns |  | | Journal (article/letter/editorial) | | study of the Kamioka Zn-Pb skarn deposits, Central Japan H. Shimazaki 1 and M. Kusakabe 2 1 Geological Institute...Faculty of Science, University of Tokyo, Hongo, Tokyo 113, Japan 2 Institute for Study of the Earth's Interior... Okayarna University, Misasa, Tottori Prefecture 682-02, Japan The Kamioka Zn-Pb deposits consist of...Kamioka Zn-Pb mine is located near the town of Kamioka in Gifu Prefecture, central Japan. The deposits...Hida mar- ginal belt. Jurassic granitic rocks in Japan are exposed only in the Hida region, and the region |  | | Journal (article/letter/editorial) | | Institute, Faculty of Science, University of Tokyo, Hongo, Tokyo 1131, Department of Petrology and Mineral...Deposits, University Museum, University of Tokyo, Hongo, Tokyo 1132 , and Institute of Geosciences, University...University of Tsukuba, Sakura-mura, Ibaraki 3053, Japan. 1986; (Received July 30, Accepted November ...through the stage for skarn silicates to stages for magnetite, quartz and calcite. Based on the results of these...fluids responsible for major skarn deposits in Japan, using the isotopic data on skarn calcites INTRODUCTION |  | | 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...Science, University of Tokyo, 7-3-1 Hongo, Tokyo 1130033, Japan ** Institute of Mineralogy, Petrology...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 |  | Sato, Tetsuro, Nakamura, Norihiro, Goto, Kazuhisa, Kumagai, Yuho, Nagahama, Hiroyuki, Minoura, Koji, Zhao, Xiang, Heslop, David, Roberts, Andrew P. (2019) Dating of tsunami boulders from Ishigaki Island, Japan, with a modified viscous remanent magnetization approach. Earth and Planetary Science Letters, 520. 94-104 doi:10.1016/j.epsl.2019.05.028 | Journal (article/letter/editorial) | | Dating of tsunami boulders from Ishigaki Island, Japan, with a modiļ¬ed viscous remanent magnetization approach...5-1-5 Kashiwanoha, Kashiwa 277-8564, Japan Geological Survey of Japan, National Institute of Advanced Industrial...Industrial Science and Technology, Tsukuba, 305-8567, Japan c Institute for Excellence in Higher Education,...University, 41 Kawauchi, Aoba-ku, Sendai 980-8576, Japan d International Research Institute of Disaster Science...University, 468-1 Aoba, Aoba-ku, Sendai 980-0845, Japan e Department of Earth Science, Tohoku University |  | | Journal (article/letter/editorial) | | holotype wadalite from Tadano, Fukushima Prefecture, Japan Yasuyuki BANNO1,*, Michiaki BUNNO2 AND Katsuhiro...Katsuhiro TSUKIMURA1 1 Geological Survey of Japan, National Institute of Advanced Industrial Science...Ibaraki, 305-8567, Japan 2 The University Museum, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo...Tokyo, 113-0033, Japan *Corresponding author, e-mail: y-banno@aist.go.jp [Received 16 May 2017; Accepted...Ca12Al10Si4O32Cl6, from Tadano, Fukushima Prefecture, Japan reveals that it has well-defined chemical |  | Nakajima, Yuki, Izumino, Yuya, Kagashima, Shināichi, Nakashima, Kazuo (2020) Hydrothermal activity in the Obiro deposit embedded in the Tagawa acidic rocks, Uetsu region,
NE
Japan. Resource Geology, 70 (4). 348-361 doi:10.1111/rge.12244 | Journal (article/letter/editorial) | | embedded in the Tagawa acidic rocks, Uetsu region, NE Japan Yuki Nakajima1 | Yuya Izumino2 | Shin-ichi Kagashima2...Earth Sciences, Yamagata University, Yamagata, Japan 2 ABstract The Obiro deposit is located in the...Earth Sciences, Yamagata University, Yamagata, Japan NE Japan. The Tagawa AR is composed of a volcanic phase...Sciences, Yamagata University, Yamagata 990-8560, Japan. Email: nakashi@sci.kj.yamagata-u.ac.jp ples were...plutons are distributed in the Uetsu region, NE Japan. The Nihonkoku mylonite (60ā55 Ma; Takahashi et |  | Imaoka, Teruyoshi, Nakashima, Kazuo, Kamei, Atsushi, Hayasaka, Yasutaka, Ogita, Yasuo, Ikawa, Toshiyuki, Itaya, Tetsumaru, Takahashi, Yoshio, Kagami, Hiroo (2014) Anatomy of the Cretaceous Hobenzan pluton, SW Japan: Internal structure of a small zoned pluton, and its genesis. Lithos, 208. 81-103 doi:10.1016/j.lithos.2014.09.002 | Journal (article/letter/editorial) | | Anatomy of the Cretaceous Hobenzan pluton, SW Japan: Internal structure of a small zoned pluton, and...University, 1677-1 Yoshida, Yamaguchi 753-8512, Japan Department of Earth and Environmental Sciences,...Yamagata 990-8560, Japan Department of Geoscience, Shimane University, Matsue 690-8504, Japan d Department... Kagamiyama 1-3-1, Higashi-Hiroshima 739-8526, Japan e Kyorin Pharmaceutical Co., Ltd., Sakai-machi 2-3-20...802-0005, Japan f Yachiyo Engineering Co. Ltd., Shiromi 1-4-70 Chuo-ku, Osaka 540-0001, Japan g Research |  | | Journal (article/letter/editorial) | | Zinc-Lead SkarnDepositsof the NakatatsuMine, Central Japan MASAAKISHIMIZUAND J. TOSHIMICHIIIYAMA GeologicalInstitute...Tokyo,Hongo,Bunkyo-ku,Tokyo113, Japan Abstract Several zoned skarns are found in the Nakatatsu mine, which...Izumi village,Fukui Prefecture, about 90 km north-northwest of Na- goya, central Japan(Fig. 1). Four productivezinclead...The largestof thesedepositsoccursin the Nakatatsu mine. In the Nakatatsuarea (Fig. 2), folded and faulted...high-anglethrustfaultson boththe northand mine reports,totalproductionof the mine duringthe southsides(Wakabayashiand |  | | Book (volume) | | STRATIGRAPHY AND TECTONICS OF JAPAN QE 304 . A14 1992 v. 2 Geological Survey of Japan 1992 Digitized by the...AND TECTONICS OF JAPAN Geological Survey of Japan 1-1-3 Higashi, Tsukuba 305, Japan 1992 e V V 29ih...Tectonics of Japan Editors: Hirokazu Kato and Harufumi Noro Geological Survey of Japan 1-1-3 Higashi...Higashi, Tsukuba 305, Japan Technical Editors Technical Reviewer: Hirokazu Hase, Hirokazu Kato, Yoshihiro...Survey of Japan 1-1-3 Higashi, Tsukuba 305, Japan Copyright Holder: Geological Survey of Japan 1992 Printed |  | KATSUTA, N., SHIMIZU, I., HELMSTAEDT, H., TAKANO, M., KAWAKAMI, S., KUMAZAWA, M. (2012) Major element distribution in Archean banded iron formation (BIF): influence of metamorphic differentiation. Journal of Metamorphic Geology, 30 (5) 457-472 doi:10.1111/j.1525-1314.2012.00975.x | Journal (article/letter/editorial) | | Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan 2 Department of Earth and Planetary Science, Graduate...Science, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan (ichiko@eps.s.u-tokyo.ac.jp) 3...Studies, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8601, Japan ABSTRACT The Archean (2.8 Ga)...mesobands. In the Si-rich mesobands, thin layers of magnetite microbands are developed in a quartz matrix. The...(hornblende), FeāMg amphibole (grunerite), and magnetite. The metamorphic foliation locally cuts across |  | | Journal (article/letter/editorial) | | Silver-Lead-Zinc-Mineralized Granitoids in Tsushima, Japan Shunso ISHIHARA and Akira IMAI* Abstract: Miocene...They are mixture of magnetite-bearing and -free facies, but generally magnetite-free in the marginal...magmatism related to the opening of the Sea of Japan. It is suggested that both basaltic and granitic...and became one of the leading lead-zinc mines in Japan and have been studied in details (Uehara, 1959;...age. The representative examples are Kamioka in Japan, Yeonhwa in the Korean Peninsula, Qingchengzi, Northeast |  | | Journal (article/letter/editorial) | | J. Japan. Assoc. Min. Petr. Econ. Geol. 69. 52-74, 1974 PETROLOGY OF THE GABBROIC ROCKS IN THE...RYOKE ZONE OF THE TOYONE-MURA AREA, AICHI PREFECTURE, JAPAN* TOSHIO KUTSUKAKE Department of Geology and...and Mineralogy, Faculty Kyoto University, Kyoto, Japan have INTRODUCTION In the Ryoke zone, gabbroic...the Geological Map 1:75,000 of the Geol. Surv. of Japan (Notomi, 1924), but they are generally pyroxene-bearing...Ch: Chausu-yama, Fu: Futto, Ha: Hanare-yama , Ho: Hongo, Hy: Hiyosawa, Ib: Ichibara, In: Inoshikori, Ka: |  | | Journal (article/letter/editorial) | | Faculty of Science,Universityof Tokyo,Hongo, Tokyo113, Japan Abstract The Kamaishimine is typical of...etite,(II) chalcopyrite-pyrrhotite-magnetite, and (III) magnetite-chalcopyrite-pyrrhotitepyrite. ZonesI...mineralswere formed in the sequence: skarnminerals--, magnetite--, pyrrhotite--ā¢ chalcopyriteand cubanRe--ā¢ pyrite...important basesfor the consideration ogy around the mine basedon Hamabe and Yano of the mechanismof skarn...mineralization in the Kamaishi mine. 138' 40* 38' 36' General Geology of the Kamaishi Mine The Kamaishimine is |
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