 | 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) | | Inclusionsfrom Epithermal Au-Ag Vein-Type Deposits in Japan NAOTATSU SHIKAZONO GeologicalInstitute,Facultyof...Science,Universityof Tokyo,Bunkyo-ku,Hongo,Tokyo113, Japan Abstract The assemblageelectrum-sphalerite-pyrite-argentite...Electrum Grains in JapaneseEpithermalAu-Ag Deposits Mine name Grain size (/xmin diam) Sado 0.3-150 (avg...from core to margin AU-AG DEPOSIT TEMPERATURES,JAPAN to 300øC, as derived from fluid inclusiondata (see...NAOTATSU SHiKAZONO AU-AGDEPOSITTEMPERATURES, JAPAN 1419 1. The coexistingsphalerite,pyrite, electrum |  | | Journal (article/letter/editorial) | | Occurrences of Native Tellurium from Epithermal Gold Deposits in Japan Masataka Nakata1 and Kosei Komuro2 1 Department...Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan Abstract The chemistry and mode of occurrences...the epithermal gold ores from Teine, Kobetsuzawa, Mutsu, Kawazu, Suzaki and Iriki in Japan are examined...epithermal gold deposits not in association with native tellurium such as Agawa, Date, Takeno, Chugu, Chitose...ores and alteration envelopes. Keywords: epithermal gold deposit, EPMA, Iriki, Kawazu, Kobetsuzawa, Mutsu |  | TAKENO, Naoto, SAWAKI, Takayuki, MURAKAMI, Hiroyasu, MIYAKE, Kazuhiro (1999) Fluid Inclusion Study of Skarns in the Maruyama Deposit, the Kamioka Mine, Central Japan. Resource Geology, 49 (4) 233-242 doi:10.1111/j.1751-3928.1999.tb00049.x | Journal (article/letter/editorial) | | the Maruyama Deposit, the Kamioka Mine, Central Japan Naoto TAKENO*, Takayuki SAWAKI*, Hiroyasu MURAKAMI**...minerals in the Maruyama deposit, the Kamioka mine, central Japan were studied. Homogenization temperatures...Introduction The Kamioka mine, the largest Zn-Pb producer of skarn type deposits in Japan, is located northern...northern part of Gifu prefecture and operated by Kamioka Mining and Smelting Company, subsidiary of Mitsui...Mitsui Mining and Smelting Company. The Kamioka mine is composed of three major deposits located in the area |  | IZUMINO, Yuya, NAKASHIMA, Kazuo, NAGASHIMA, Mariko (2014) Cuprobismutite group minerals (cuprobismutite, hodrušhite, kupčíkite and padĕraite), other Bi–sulfosalts and Bi–tellurides 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) | | Bi–sulfosalts and Bi–tellurides from the Obari mine, Yamagata Prefecture, Japan Yuya IZUMINO*, Kazuo NAKASHIMA** and...University, Kojirakawa 1–4–12, Yamagata 990–8560, Japan Department of Earth and Environmental Sciences,...University, Kojirakawa 1–4–12, Yamagata 990–8560, Japan *** Graduate School of Science and Engineering,...753–8512, Japan Cuprobismutite group minerals have been discovered for the first time in Japan from the...the Obari mine, Yamagata Prefecture. Furthermore, many kinds of Bi–sulfosalts and Bi–tellurides have been |  | | Journal (article/letter/editorial) | | of native gold and electrum and the geochemical environment of gold vein deposits in Japan N. Shikazono...Faculty of Science, University of Tokyo, Tokyo 113, Japan 2 Department of Petrology and Mineral Deposits,...University of Tokyo, Tokyo 113, Japan Abstract. The chemical composition of native gold and electrum from auriferous...auriferous vein and gold-silver vein deposits in Japan has been analyzed and summarized. The Ag/Au ratios...ratios of native gold and electrum from these two types of deposits are distinct, i.e., 10-20 Ag at % (auriferous |  | | Journal (article/letter/editorial) | | abundanceof gold and calaverite,and the presenceor absenceof native tellurium. Introduction gradesin gold-silvertelluridesin...Em- Twemlow, 1984). In all reported occurrences,gold peror goldmine, Fiji; and Sacaramb(Nagyag),Ro- or...Merkur'eva (1) Au? (2) Au, pz, tb, fo, cv Takeno,Japan (1981) Urals, USSR (1976) sv, kn, cd, cv...ws-rd, rd-vu,Te ws, rd, vu, Te Colorado Yokozuru,Japan saturation Cameronand Threadgold (1961) hs,pz...Columbia Bi, Au, tb, at, hs, pz po, apø Tsumo,Japan hs,tb, Bi, Au po, ga,ap, cs,sc, Skarns Darwin |  | | Report (issue) | | the Hishikari epithermal vein system in Kyushu, Japan .................................... 14 Fig. 4...system. The Sado epithermal vein model (the Takeno deposit, Japan, being a well described example: Soeda and...and Watanabe, 1981) is a type chiefly found in Japan, known for silver sulfosalts and tellurides, and...areas, including examples from New Zealand and Japan. For the western United States, in contrast to a...Zealand and Japan. Our figures 2 and 3 are drawn from the literature on the Hishikari deposit of Japan, and |  | | Journal (article/letter/editorial) | | Noya Gold Deposit in Kyushu, Japan Yuichi Morishita and Naoto Takeno Geological Survey of Japan, AIST...Tsukuba, Japan Abstract We discuss the nature of the ore-forming hydrothermal fluid in the Noya gold-bearing...calcite-quartz-adularia veins of central Kyushu, Japan on the basis of oxygen, carbon, and strontium isotope...and quartz, as well as gold. Fluid boiling at depth in the system produced the gold-bearing calcite-quartz-adularia...calculation, carbon and oxygen isotopes, epithermal, gold deposit, Kyushu, Noya. 1. Introduction There are |  | | Journal (article/letter/editorial) | | the the Juji 1 vein, same in A vein, and mine, produced time gave given in in Table that...that of Hishikari of 1.0•} of mineraliza The Japan age of 1.0 according it vein and is to significant...significant in Hokkaido Ohra mines Japan. そ の 資 料 は ま だ 少 な く,断 片 的 で,鉱 1.ま Ma adularia age one...whereas period. a gold-silver as of a K-Ar that mines banding age mine, mineralization as ...Sanru occurred present Sanru in width, Koryu gold-silver which nearly in Miocene the of the |  | MAGLAMBAYAN, Victor B., ISHIYAMA, Daizo, MIZUTA, Toshio, IMAI, Akira, ISHIKAWA, Yohei (1998) Geology, Mineralogy, and Formation Environment of the Disseminated Gold-Silver Telluride Bulawan Deposit, Negros Occidental, Philippines. Resource Geology, 48 (2) 87-104 doi:10.1111/j.1751-3928.1998.tb00009.x | Journal (article/letter/editorial) | | Mineralogy, and Formation Environment of the Disseminated Gold-Silver Telluride Bulawan Deposit, Negros Occidental...pipes and along faults. Mineralization consists of gold-silver telluride ores that are hosted by the carbonate-...mainly as disseminations, but unlike many epithermal gold deposits, lack classical epithermal colloform and...Kawazu and Kushikino (Shikazono et al., 1990) and Takeno (Soeda and Watanabe, 1981). This paper characterizes...characterizes the geochemical conditions in which gold-silver tellurides were formed in the Bulawan deposit |  | | Journal (article/letter/editorial) | | 2002 Mass Transfer, Oxygen Isotopic Variation and Gold Precipitation in Epithermal System: A Case Study...Study of the Hishikari Deposit, Southern Kyushu, Japan Naotatsu SHIKAZONO, Noriyuki YONEKAWA and Takahumi...Technology, Keio University, Hiyoshi, Yokohama 223-8522, Japan [e-mail: sikazono@applc.keio.ac.jp] Received on...alteration accompanied by the Hishikari epithermal gold mineralization. For example, K2O and MgO contents...contents of wall rocks decrease away from the gold-quartz veins, while (CaO+Na2O) content increases, and SiO2 |  | | Journal (article/letter/editorial) | | Cenozoic evolution of epithermal gold metallogenic provinces in Kyushu, Japan Received: 1 November 2004 /...Abstract Kyushu Island, Japan, is located at the junction of the Southwest Japan arc and the Ryukyu arc...arc. There are two major late Cenozoic epithermal gold-silver provinces in Kyushu, which are termed the...high sulfidation (HS) examples. The two epithermal gold-silver provinces have evolved differently since about...Pleistocene account for the variable trends in epithermal gold deposit formation. Westward oblique subduction of |  | | 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) | | in Austria Syntheses of selenian valleriite S. Takeno and G. H. Moh Experimentelle Abteilung, Mineralogisch...conditions at 450 °C and 1 kb pressure in collapsible gold tubes. Zusammenfassung S ynthese yon Selenvalleriit...oTCuo.93S2). 1.526 (Mgo.68Alo.32(OH)2). 210 S. Takeno and G. H. Moh However, variation range of the...successfully by Iishi et al. (1970) and Takeno (1971) in sealed gold capsules at temperatures between 400...tubes at 700 °C. Cubanite crystals from the Geduld mine, Transvaal (RAMDOHR's collection) were also used |  | | Book | | been carried out. Epithermal vein-type deposits in Japan have also been well-studied. More than 1,000 papers...on Kuroko and epithermal vein-type deposits in Japan will be summarized in Chapter 1. The descriptions...study epithermal vein-type and Kuroko deposits in Japan. I learned from them an importance of the integration...fluid inclusion studies of vein-type deposits in Japan were especially valid and useful to writing this...Shimizu, K. Takeuchi, E. Uchida, Y. Shibue, N. Takeno, Y. Morishita, M. Tamura, S. Nakashima, H. Kawahata |  | | Journal (article/letter/editorial) | | 724, Japan 2 Department of Earth Sciences, Okayama University Tsushimanaka, Okayama 700, Japan Abstract-The...Abstract-The gold decoration technique of electron microscopy was used to observe the microtopography of...collected from four different pyrophyllite deposits in Japan. The specimens are characterized by parallel growth...deposits in Japan: the Sano mine (Kakuma, Nagano Prefecture), the Isshiki mine (Horai, Aichi Prefecture), the...the Funyu mine (Shioya, Tochigi Prefecture) and the Shokozan mine (Shobara, Hiroshima Prefecture). The specimen | | | Journal (article/letter/editorial) | | VALLERIITE AND MACKINAWITE FROMAKAGANE MINE,IWATEPREFECTURE, JAPAN Valleriite up to 村 松 容 一(Yoichi...given formula occurrence [Cu1.13Fe0.83S2]•E Japan. irregular veinlets in pyrrhotite-chalcopyrite...ore ore first mineral for 4 crystals mainly mine for dots, prismatic consisting Akagane chalcopyrite...精 密 測 定 が 可 能 と な っ た 結 果(Milton 1964),鏡 山鉱 山(Takeno, もの がEPMAで 1965)お 山 分 析 され,い ず れ も マ ッキ ノー鉱... mackinawite-bearing sulfide ores from Akagane mine. V: valleriite, Ves: vesuvianite, Pn: cobalt-bearing |  | | 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) | | system, of the Japan YOJI SEKI Mineral Resources Department, Geological Survey of Japan, Higashi ... 1-1-3, Tsukuba 305, Japan (Received February 3, 1991; Accepted May 29, 1991) The physical and chemical...characteristics of the Oku-aizu geothermal system, northeast Japan, are reviewed, with these data used to construct...in Yanaizu town, Fukushima prefecture, northeast source. The system Japan (Fig. 1 and Table 1). 245...maximum 341'C measured) are the second highest in Japan (after Fushime, a sea-water dominated system). The |  | 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-...University, Yoshida 1677-1, Yamaguchi 753-8512, Japan, 2Department of Geoscience, Faculty of Science and...Engineering, Shimane University, Matsue 690-8504, Japan, and 3Center for Instrumental Analysis, 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 |  | | Journal (article/letter/editorial) | | Article Gold Mineralization at the Agawa Prospect in Yamaguchi Prefecture, Southwestern Japan Ryuya SATO...Yamaguchi, Japan Abstract Agawa gold prospect, located in Yamaguchi Prefecture, southwestern Japan, is a...a small prospect, where placer gold has been explored and mined since the 17th century. We investigated...m, respectively, and a width of less than 100 m. Gold mineralization in the prospect occurs as dissemination...characterized by the occurrence of pyrrhotite and native gold; a middle stage by chalcopyrite; and a late stage |  | | Journal (article/letter/editorial) | | of waste clay from the Sardes (Salihli) placer gold mine and its utilization in floor-tile manufacture—...on the polychronous nature of the giant Muruntau gold deposit from wall-rock alteration and ore paragenetic...studies —F.P. Bierlein and A.R. Wilde Nature of gold mineralisation in the Walhalla Goldfield, southeast... Lokhov 1272 Vol. 435, No. 2, 2010 Nano-sized gold in ores of the Pokrovskoe deposit—V.G. Moiseenko... 1–2, 2010 Alkali metals control the release of gold from volatile-rich magmas— Zoltán Zajacz, Jung Hun |  | | Journal (article/letter/editorial) | | Hiroshima University, Higashi Hiroshima 739-8526, Japan Received on August 19, 2004; accepted on August...annual production figures in thousands of tons are: Japan 800–1000; South Korea 350–500; USA 800–850; India...Rudniy Altai; 13 – Bika (Sikhote-Alin); 14~17 – Japan: 14 – Aiti, 15 – Mitsuishi, Hiroshima, 16 – Nagasaki...Newfoundland Caledonia. The Foxtrap pyrophyllite mine in Canada has been operated since 1956, and produces...New Zealand, Korea, Japan, Vietnam, Georgia and Azerbaijan. 2.3.1. Japan: In Japan, pyrophyllite raw material |  | | Journal (article/letter/editorial) | | with descriptionof phaserelationsandmineral- ture, gold-poorsystems. Sincethe cryogenicheat capacitymeasurements... Melt 416 BartonandSkinner(1979) Calaverite+ gold Melt 447 BartonandSkinner(1979) AuTe• Calaverite...and Blachnik(1974) Tellurobismuth+ calaverite+ gold Melt 402 GatherandBlachnik(1974) Melt 383 ...Souleau(1972) AuTe• PbTe Calaverite+ altaite + gold AuTe• PbTe Melt 402 Legendreand Souleau(1972)...LegendreandSouleau(1972) + altaite AuTe• PbTe Gold + altaite PbTe Au-Sb-Te-Bi? Montbrayite Melt |
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