 | WATANABE, MAKOTO, SOEDA, AKIRA, OHTANI, TOSHIYUKI (1978) Skarnization and ore deposition at the Maruyama deposit, Tsumo mine, Southwest Japan, with particular emphasis upon their intimate associations. The Journal of the Japanese Association of Mineralogists, Petrologists and Economic Geologists, 73 (10) 283-299 doi:10.2465/ganko1941.73.283 | Journal (article/letter/editorial) | | J. Japan. Assoc. Min. Petr. Econ. Geol.7 3, 283-299, 1978 SKARNIZATION AND ORE DEPOSITION AT THE MARUYAMA...MARUYAMA DEPOSIT, TSUMO MINE, SOUTHWEST JAPAN, WITH PARTICULAR EMPHASIS UPON THEIR INTIMATE ASSOCIATIONS*...Hiroshima 730,Japan. and TOSHIYUKI OHTANI JapanMaritime SelfDeffense Forces,Kanoya, Japan. INTRODUCTION...The Tsumo mine is located about 20km southeast of Masuda City, Shimane Prefecture, Southwest Japan (Fig...(Fig. 1). The ore deposits of the mine are of contact meta somatic origin and have so far been mined mainly |  | | 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...a high magnetitecontent (Ishihara, of southwest Japan. However, some of the so1971b; Kanaya and Ishihara...Yamaguchi Prefecture, which is the second-most importantarea for tungsten mining in Japan, pegrnatit...Akemidani orebodyof the Fujigatani mine and 95.8 m.y. at the Kiwada mine. Mus- Xtā¢= 4.72 x 10-ā¢Ćø/yr, Xe-- |  | 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-...Yamaguchi 753-8512, Japan, 2Department of Geoscience, Faculty of Science and Engineering, Shimane University,... Matsue 690-8504, Japan, and 3Center for Instrumental Analysis, Yamaguchi University, Yoshida 1677-1...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 |  | | Journal (article/letter/editorial) | | Tokyo 113, Japan GeologicalInstitute, Faculty of Science, University of Tokyo, Tokyo 113, Japan Abstract...and sphalerite coexisting with iron sulfides (pyrite and/or pyrrhotite) from Japanese ore deposits associated...seven skarn-type and six vein-type deposits in Japan and three foreign deposits were studied. Locations...observed in the samples collected from the Ashio mine, as already reported by Nakamura (1954) and Moh...which subsolidus phenomena 40Ā° Kamioka Nakatatsu Tsumo Akenobe Ikuno "~ .Ashio XxX(( 35Ā° Kuga-- Kaneuchi |  | | Journal (article/letter/editorial) | | Economic Geology, Tohoku University, Sendal 980, Japan Abstract. To determine the bulk chemical compositions...specimens from various types of ore deposits in Japan were used for modal and electron microprobe analyses...However, specimens from the Maruyama deposit in the Tsumo mine contain 1.2-1.4 at% Zn, which are within the...in Table 1. In the case of specimens from the Tsumo mine of a socalled skarn-type deposit, ores consist...the Tsumo mine have been given in Sugaki et al. (1981). Chalcopyrite samples from the Ohmine mine of a |  | | Journal (article/letter/editorial) | | magnetite from the Kamaishi Cu-Fe skarn deposit, Japan, contain a significant amount of silica, 4.9 to...Ukan ilmenite-series granodiorite, southwestern Japan, Takagi (1992) found magnetite with 4.1 to 5.4 wt...Institute, University of Tokyo Hongo, Tokyo 113-0033, Japan Keywords: Silician magnetite, Hydrothermal condition... Locality Produced Metals Max. SiO2 Remarks (Prefecture) wt % 1 Akagane Iwate Fe,Cu,Ag,Au 1.4 2 Yaguki...Ushirodani Tottori Zn,Cu 3.6 Type(2) present 15 Tsumo Shimane Fe,Zn,Cu,Pb,W,Ag,Au 4.0 Type(3) present 16 Higashikibe |  | | Report (issue) | | a = 10.2711(2) X-ray Powder Pattern: Vermilion mine, Sudbury, Canada. 2.875 (100), 2.393 (66), 2.298... 99.6 100.00 27.60 3.30 22.58 (1) Vermilion mine, Sudbury, Canada; by electron microprobe, corresponding...gersdorffite, pyrite, gold, nickeline, galena, copper, sperrylite, michenerite, froodite (Vermilion mine, Canada)...Vermilion mine, Sudbury, Ontario, Canada [TL]. At Karagaily, central Kazakhstan. In the Tsumo mine, near...near Hiroshima City, Shimane Prefecture, Japan. Name: Alludes to its chemical relation to the hauchecornite |  | 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 Ā± 3.1, 60.8 Ā± 1.9 Ma); muscovite from the |  | | Journal (article/letter/editorial) | | Miyazawa (1940, p. 16) from the Iwato mine, Miyazaki Prefecture, Japan. These assemblages Cassiterite,SnO2...here be postulated:it is presumablyincompatible mine, SouthwestJapan, but I do not know if this with...Brogger, 1890, p. 64 analcite, etc. Stiepelmann mine, Arandis, South West Africa Metasomatic tin deposit...tremolite, arsenopyrite. Iwato copper mine, Miyazaki Prefecture, Kyushu, Japan Cassiterite inclusions in Obuki...Obuki workings, Mitate mine, Miyazaki Prefecture, Kyushu, Japan Cassiterite, axinite, danburite, hedenbergite |  | 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 UniĆersity, Higashi-Hiroshima 739, Japan b Research Institute of Natural Sciences, Okayama...717-06, Japan c Department of Earth Sciences, Kyoto UniĆersity of Education, Kyoto 612, Japan Received...metallogenic epochs in the Inner Zone of southwestern Japan are classified by considering mainly radiometric...metamorphosed equivalents, and by bedded cupriferous pyrite deposits associated with submarine acidic tuffs |  | 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) | | occasionally associated with trace amounts of pyrrhotite, pyrite, bismuthinite and rare tellurobismuthite, while...mainly of sphalerite associated with chalcopyrite, pyrite and galena. Ores from the Tul Mi Chung deposit...deposit consist mainly of chalcopyrite and pyrite, occasionally associated with magnetite, sphalerite, galena...University of Tokyo, 7-3-1 Hongo, Tokyo 113-0033, Japan * Present address: Department of Earth and Planetary...University of Tokyo, 7-3-1 Hongo, Tokyo 1130033, Japan [e-mail: akira@eps.s.u-tokyo.ac.jp] Keywords: Hol |  | | Journal (article/letter/editorial) | | ns in AcidicIgneousRocks fromSomeMiningAreasin Japan SUKUNE TAKENOUCHI AND HIDEKI IMAI Abstract Glassand...rhyolites,porphyries,and granitesfrom mining areas in Japan were investigated. Rhyolites contain various types...rhyolitesand pyroclastics. Akagane, Kamioka, Nakatatsu, Tsumo, and SuzuThe devitrifiedglass inclusionswhich are...a boring core drilled at the lowest level of the mine were investi- gated. They belongmostlyto type 2...porphyry occursas a stock in deeperparts of the mine. Manyof theglassinclusions in quartzphenocrysts |  | | Journal (article/letter/editorial) | | University of Tsukuba, Sakura-mura, Ibaraki 3053, Japan. 1986; (Received July 30, Accepted November ...fluids responsible for major skarn deposits in Japan, using the isotopic data on skarn calcites INTRODUCTION...Yaguki Kawayama Magome-Mizuhiki Sasagatani ,Tsumo Kagata Kitabira Naganobori '-Chichibu ISW Y;...Inner Zone of southwestern Japan, and OSW: Outer Zone of southwestern Japan. TTL: Tanagura tectonic line...calcitesfrom Japanese skarn deposits 613c%o(PDB) Name of mine N Mean Range Kitakami and Abukuma Regions (130 ^ |  | | Journal (article/letter/editorial) | | Basalt; 8. Blind ore body; 9. Position of Gejiu city. Tf. Falang Formation, Middle Triassic siltstone...contribute a total of up to about 1%, include ilmenite, pyrite, apatite, zircon, fluorite, monazite and cassiterite...main opaque minerals are magnetite, pyrrhotite, pyrite, chalcopyrite, sphalerite, galena, bismuthinite...garnet skarn and magnetite skarn. Cassiterite, pyrite, chalcopyrite, sphalerite and bismuthinite are...in magnetiterich skarns, such as the Lost River Mine, Alaska (Desborough and Sainsbury, 1970) and the |  | | Journal (article/letter/editorial) | | Sweden (Sverige) Gladhammar mine, nickel-rich carrollite, 737 Harstig mine, Pajsberg, sarkinite, 681 Norr6...Norr6, arrojadite (hiihnerkobelite), 23o Sjo mine, Grythytte Parish, Orebro, xantharsenite, polyarsenite...Somerset, calcite, baryte, celestine, sphalerite, pyrite, chalcopyrite, analcime, 76I Castleton, Derbyshire...Court farm, Ramsgate, Kent, chalk, i6o Tynebottom mine, Garrigill, Cumbria, arsenical marcasite, gersdorffite...kidwellite, 952 WALES(Cymrul Dyfed, illite, 857 Parc mine, Gwynedd, hydrozincite, nickeloan hydrozincite, |  | Ciobanu, Cristiana L., Cook, Nigel J., Pring, Allan, Brugger, JoĆ«l, Danyushevsky, Leonid V., Shimizu, Masaaki (2009) āInvisible goldā in bismuth chalcogenides. Geochimica et Cosmochimica Acta, 73 (7) 1970-1999 doi:10.1016/j.gca.2009.01.006 | Journal (article/letter/editorial) | | Department of Earth Sciences, University of Toyama, Japan Received 8 May 2008; accepted in revised form 8...gold in pyrite (Cook and Chryssoulis, 1990) demonstrated that the concentration of Au in pyrite varies...As content. This correlation, proven valid for pyrite in sulļ¬de-rich Au Invisible Au in Bi-chalcogenides...the underlying mechanisms of Au incorporation in pyrite, as well as its dual nature (Auss and AuNs) as...signiļ¬cant for sulļ¬de-poor Au systems as the role of As-pyrite in sulļ¬de-rich deposits such as those of Carlin |  | Kuribayashi, Takahiro, Nagase, Toshiro, Nozaki, Tatsuo, Ishibashi, Junichiro, Shimada, Kazuhiko, Shimizu, Masaaki, Momma, Koichi (2019) Hitachiite, Pb5Bi2Te2S6, a new mineral from the Hitachi mine, Ibaraki Prefecture, Japan. Mineralogical Magazine, 83 (5) 733-739 doi:10.1180/mgm.2019.45 | Journal (article/letter/editorial) | | Pb5Bi2Te2S6, a new mineral from the Hitachi mine, Ibaraki Prefecture, Japan T. Kuribayashi1*, T. Nagase2, T. Nozaki3...980-8578, Japan. 2 3 The Tohoku University Museum, Tohoku University, Sendai 980-8578, Japan. Research...Resources, Japan Agency for Marine-Earth Science and Technology, Yokosuka, 237-0061, Japan. 4 Frontier...Tokyo 113-8656, Japan. 5 6 Department of Planetology, Kobe University, Kobe 657-8501, Japan. Ocean Resources...Chiba Institute of Technology, Narashino 275-0016, Japan. 7 Department of Earth and Planetary Sciences, |  | | Journal (article/letter/editorial) | | Communication An Unusual Texture: Skeletal Sphalerite in Pyrite from Dajing Tin-polymetallic Deposit, China Yu...snowflake-like (or cauliflower-like) shapes included in pyrite is widely found in the Dajing tin-polymetallic...chalcopyrite-pyrite mineralization stage. The compositions of all sphalerites in the chalcopyrite-pyrite stage...sphalerite in pyrite is possibly generated by exsolution. Keywords: skeletal sphalerite in pyrite, sphalerite...the recovery of the mine, there exist three main types of ores in the Dajing mine, such as CuSn-Ag ore |  | | Journal (article/letter/editorial) | | Zinc-Lead SkarnDepositsof the NakatatsuMine, Central Japan MASAAKISHIMIZUAND J. TOSHIMICHIIIYAMA GeologicalInstitute...Bunkyo-ku,Tokyo113, Japan Abstract Several zoned skarns are found in the Nakatatsu mine, which consistsof...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 |  | Gu, Xiang-Ping, Watanabe, Makoto, Hoshino, Kenichi, Shibata, Yasuhiro (2003) New find of silver tellurosulphides from the Funan gold deposit, East Shandong, China. European Journal of Mineralogy, 15 (1) 147-155 doi:10.1127/0935-1221/2003/0015-0147 | Journal (article/letter/editorial) | | Kagamiyama 1-3-1, Higashi Hiroshima City, Hiroshima 739-8526, Japan *Corresponding author, e-mail: watanabe@geol...gold deposit, located about 145 km north of Qingdao city, is situated in the middle of the ZhaoyuanLaizhou...primary minerals are chalcopyrite (5-25 vol.%) and pyrite (2-5 vol.%), less commonly sphalerite and galena...with tellurian canfieldite in the Tsumo copper skarn deposit, Japan. Foord & Shawe (1989) considered that...galena, hessite and gold-silver alloy but later than pyrite. The precipitation of quartz may have accompanied |  | | Journal (article/letter/editorial) | | Hongo, Tokyo, 113 Japan Abstract. Ilvaite samples from six different localities in Japan are found to be...elmiminate the presence of intergrown minerals such as pyrite, pyrrhotite, and other iron sulfides, samples from...from each of 6 different localities in Japan were concentrated using ore-microscope examinations and...(2) Ca(Fe z + ,Fe 3 +)2Mn 2 + (OH)O(SizO 7). The Tsumo ilvaite, which was obtained from a cavity in a quartz...increasing Mn content of ilvaite Sample locality in Japan Tsumo Kitabira Kamioka Obira Akatani Daikoku wt% of |  | Tamas, C. G., Bailly, L., Ghergari, L., O'Connor, G., Minut, A. (2006) NEW OCCURRENCES OF TELLURIDES AND ARGYRODITE IN ROSIA MONTAN A, APUSENI MOUNTAINS, ROMANIA, AND THEIR METALLOGENIC SIGNIFICANCE. The Canadian Mineralogist, 44 (2) 367-383 doi:10.2113/gscanmin.44.2.367 | Journal (article/letter/editorial) | | sphalerite, argentiferous tetrahedrite, alabandite, pyrite and marcasite. They are intimately associated with...sphalĆ©rite ā tetraĆ©drite argentifĆØre ā alabandite ā pyrite ā marcasite est complĆ©tĆ©e par dāabondants tellurures...ICECHIM and identified Ge enrichment in one type of pyrite flotation concentrate. No Ge-minerals were identified...that the Au-rich pyrite concentrate has a low Ge content, whereas the Ge-rich pyrite concentrate has a...germanium contents to relate to different types of pyrite in the ore. MĆ¢rza et al. (1995) also suggested |  | | Journal (article/letter/editorial) | | at the Agawa Prospect in Yamaguchi Prefecture, Southwestern Japan Ryuya SATO,1 Osao SAWAI2 and Yasushi...Yamaguchi, Japan Abstract Agawa gold prospect, located in Yamaguchi Prefecture, southwestern Japan, is a...middle stage by chalcopyrite; and a late stage by pyriteābornite. Mineral assemblage and ļ¬uid inclusion...distribution of the metallic deposits in the southwestern Japan arc show that transition from ilmenite-series to...Late Cretaceous to Paleogene. Keywords: Agawa, Japan, gold, Cretaceous, hydrothermal, illite. 1. Introduction |  | | Journal (article/letter/editorial) | | material from the type-locality Tsumo Cu-Zn-Pb skarn deposit, Japan (Shimazaki and Ozawa 1978), belongs...by abundant hexaĀ gonal pyrrhotite, less common pyrite, arsenopyrite and molybdenite, gold in two generations...succession: quartz I, pyrrhotite ā arsenopyrite I, pyrite I ā loellingite ā gold, Bi-tellurides, calcite...arsenopyrite II, pyrite II, gold II, CoSbS ā pyrrhotite, chalcopyrite, tetrahedrite ā pyrite III, calcite...collected in 1955 on the 5th level of the LibÄice mine in the main vein of the deposit, west of the shaft |
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