 | | Journal (article/letter/editorial) | | Copper Mineralization Below the Kasuga Lithocap, Nansatsu District, Japan Eiji IZAWA1 and Toshihiko HAYASHI2...Exploration Department, Japan Oil, Gas and Metals National Corporation (JOGMEC), Tokyo, Japan Abstract Lithocaps...lithocap-hosted Nansatsu-type gold deposits. The Kasuga lithocap extends for about 5 km NE–SW by 2 km width;...was drilled in 1999 beneath the main orebody at Kasuga but did not intersect porphyry copper mineralization...alteration pattern and paleothermal environment of the Kasuga area, a paleo high-temperature zone appears to |  | | Journal (article/letter/editorial) | | POSTMAGMATIC ALTERATION ZONES, MAKURAZAKI VOLCANIC AREA, KAGOSHIMA PREFECTURE, JAPAN MOTOHARU KAWANO ' AND KATSUTOSHI...Faculty of Agriculture Kagoshima University, 1-21-24 Korimoto, Kagoshima 890, Japan 2 Institute of Earth...Faculty of Science, Kagoshima University 1-21-35, Korimoto, Kagoshima 890, Japan Abstract- Two distinct...silicified rocks in the Makurazaki volcanic area, Kagoshima Prefecture, Japan. The clay mineral sequences...fluids ascended through the wall rocks. Key Words-Makurazaki volcanic area, Alteration aureoles, Mode of occurrence |  | | Journal (article/letter/editorial) | | NACRITE-BEARING THE KAOLIN KASUGA MINE, PREFECTURE, CLAY FROM KAGOSHIMA JAPAN* MASAYUKI Geological ...Institute, University of Tokyo** ABSTRACT Hypogene mine, as rocks. They method, and From from kaolin...results of Kasuga characteristic in epithermal of vein and under subjected the mine the in the...it microscope is of occurrence deposit and Kasuga the of X-ray wall powder analysis. that...Nacrite-bearing parts mine. mine, of his kaolin and mixture study Kagoshima description kaolin |  | Hedenquist, Jeffrey W., Matsuhisa, Yukihiro, Izawa, Eiji, White, Noel C., Giggenbach, Werner F., Aoki, Masahiro (1994) Geology, geochemistry, and origin of high sulfidation Cu-Au mineralization in the Nansatsu District, Japan. Economic Geology, 89 (1) 1-30 doi:10.2113/gsecongeo.89.1.1 | Journal (article/letter/editorial) | | SulfidationCu-Au Mineralizationin the NansatsuDistrict, Japan JEFFREY W. HEDENQUIST, YUKIHIROMATSUHISA, MineralResources...MineralResources Department,Geological Surveyof Japan,1-1-3Higashi,Tsuknba 305,Japan EIJI IZAWA, Department of Mining...Mining,KyushuUniversity, 6-10-1Hakozaki,Fnkuoka 812,Japan NOEL C. WHITE, BHP Minerals, P.O. Box 619, Hawthorn...MineralResources Department,Geological Surveyof Japan,1-1-3Higashi,Tsukuba 305,Japan Abstract The Nansatsu districtof...the formation of highsulfidation Cu-Audepositsat Kasuga,Iwato, andAkeshi.The orebodiesconsistof >95 wt |  | Morishita, Yuichi, Hammond, Napoleon Q., Momii, Kazunori, Konagaya, Rimi, Sano, Yuji, Takahata, Naoto, Ueno, Hirotomo (2019) Invisible Gold in Pyrite from Epithermal, Banded-Iron-Formation-Hosted, and Sedimentary Gold Deposits: Evidence of Hydrothermal Influence. Minerals, 9 (7) 447 doi:10.3390/min9070447 | Journal (article/letter/editorial) | | minerals Article Invisible Gold in Pyrite from Epithermal, Banded-Iron-Formation-Hosted, and Sedimentary...422-8529, Japan Geological Survey of Japan, AIST, Central 7, Higashi 1-1-1, Tsukuba 305-8567, Japan Department...Institute, University of Tokyo, Chiba 277-8564, Japan Department of Environmental Security Systems, Chiba...Chiba Institute of Science, Chiba 288-0025, Japan Correspondence: morishita.yuichi@shizuoka.ac.jp; Tel...Abstract: “Invisible gold” in pyrite is defined as an Au solid solution of the pyrite lattice, sub-microscopic |  | Tindell, Thomas, Watanabe, Koichiro, Imai, Akira, Takahashi, Ryohei, Boyce, Adrian J., Yonezu, Kotaro, Schersten, Anders, Page, Laurence, Ogata, Takeyuki (2018) The Kago low-sulfidation gold and silver deposit: A peripheral mineralisation to the Nansatsu high-sulfidation system, southern Kyushu, Japan. Ore Geology Reviews, 102. 951-966 doi:10.1016/j.oregeorev.2017.10.027 | Journal (article/letter/editorial) | | Nansatsu high-sulfidation system, Southern Kyushu, Japan Thomas Tindell, Koichiro Watanabe, Akira Imai, Ryohei...Nansatsu highsulfidation system, Southern Kyushu, Japan, Ore Geology Reviews (2017), doi: https://doi.org/10...Nansatsu high-sulfidation system, Southern Kyushu, Japan 1 Thomas TINDELL, 1Koichiro WATANABE, 2Akira IMAI...Fukuoka, Japan 2 Department of Earth Science and Technology, Akita University, Akita, Japan 3 4 5 Scottish...and Energy Resources, Akita University, Akita, Japan Corresponding Author: tindell-tom@mine.kyushu-u |  | | Journal (article/letter/editorial) | | the silicified host rocks of the Kasuga gold deposit, Southwest Japan Tayyaba Mateen, Hafiz Ur Rehman...Engineering, Kagoshima University, 1-21-35 Korimoto, Kagoshima 890-0065, Japan The Kasuga High Sulfidation...southern part of the Satsuma Peninsula, Southwest Japan. Optical microscopic observations and X-ray fluorescence...analysis of two silicified andesite samples from the Kasuga ore body revealed that the rocks underwent different...of silicified rocks taken from the ore body of Kasuga gold deposit in southern Kyushu formed by the silicification |  | | Journal (article/letter/editorial) | | KYUSHU, JAPAN EIJI IZAWA Departmentof Mining,KyushuUniversity, Hakozaki,Higashi-ku Fukuoka812,Japan AND...Hydrothermaleruptionsare a naturalpart of the Agencyof Japan(MITI, 1985). The basement rocks processes in epithermalsystemsthat... Chu, 1975). It is rare to vicinityof the Iwato mine,the Upper Formationof observea good three-dimensional...northeastof the Iwato deIwato gold mine of the Nansatsuregion,Kagoshima posit,havea fission-track ageon...ageon zirconof 4.6 ___ 0.4 Prefecture,Japan(Fig. 1). In thispaper,we describe Ma (MITI, 1985). The Ata pyroclasticflow |  | | Journal (article/letter/editorial) | | Nansatsu-type Gold Deposits in Southern Kyushu, Japan Tetsuichi TAKEDA1, Nobutaka SHIMADA and Hirotomo...gold ore from the Nansatsu-type gold deposits of Kasuga, Iwato and Akeshi. Mineralization age of each stage... 1. Introduction Nansatsu-type gold deposits, Kasuga, Iwato and Akeshi, are defined as disseminated...bodies in the Nansatsu district, southern Kyushu, Japan (Urashima, 1975). In recent classification of the...of the Nansatsu-type gold deposits. Alunite from Kasuga mining area yielded a KAr age of 5.5±0.5 Ma, those |  | | Report (issue) | | University 36, Hakozaki, Higashi-ky, Fukuoka 812, Japan Open-File Report 86-266 1986 SELECTED BIBLIOGRAPHY...Fluid-inclusion and geochemical studies at the Emperor gold mine, Fiji; Unpub. Ph.D. dissertation, University of...1922, Bonanza ores of the Comstock lode, Virginia City, Nevada: U.S. Geological Survey Bulletin 735-C,...Alteration and geologic setting of the Golden Wonder Mine, Western San Juan Mountains, Colorado [abs.]: Geological...Hawkins, R. J., 1985, The geology of the Enfield Bell mine and the Jerritt Canyon district, Elko County, Nevada |  | | Report (issue) | | 1986, Geology and development of the Hishikari mine: Mining Geology, v. 36 (2), no. 196, p. 117. Adams...Fluid-inclusion and geochemical studies at the Emperor gold mine, Fiji: Unpub. Ph.D. dissertation, University of...1922, Bonanza ores of the Comstock lode, Virginia City, Nevada: U.S. Geological Survey Bulletin 735-C,...Alteration and geologic setting of the Golden Wonder Mine, Western San Juan Mountains, Colorado [abs.]: Geological...Hawkins, R. J., 1985, The geology of the Enfield Bell mine and the Jerritt Canyon district, Elko County, Nevada | | | Journal (article/letter/editorial) | | Zinckenite from the Kasuga mine, Kagoshima 苣 木 北 風 つ い て* Prefecture, 浅 Japan 彦(Asahiko Sugaki)**...from the Mitsuishi deposit of the Kasuga mine, Kagoshima Prefecture, Japan occurs as acicular crystal or...gold-bearing silicified rock, in association with barite, pyrite, stibioluzonite and sometimes tennantite and enargite...zinckenite from the Mitsuishi deposit of the Kasuga mine. A: Acicular crystals of zinckenite in druse...associated with zinckenite and pyrite (reflected light). br, barite; py, pyrite; qz, quartz; st, stibioluzonite; |  | | Book (volume) | | Field Trip Guide Book Vol. 6 MINERAL DEPOSITS OF JAPAN AND THE PHILIPPINES r QE 304 . A14 1992 v.6 The...Field Trip Guide Book Vol. 6 MINERAL DEPOSITS OF JAPAN AND THE PHILIPPINES The Society of Resource Geology...Tokyo 107, Japan 1992 29th IGC FIELD TRIP GUIDEBOOK Volume 6 : Mineral Deposits of Japan and the Philippines...building 9-6-41 Akasaka, Minato-ku, Tokyo 107, Japan Technical Editors Technical Reviewer: Editorial...Harufumi Noro Geological Survey of Japan 1-1-3 Higashi, Tsukuba 305, Japan Copyright Holder: The Society |  | | Journal (article/letter/editorial) | | epithermal gold metallogenic provinces in Kyushu, Japan Received: 1 November 2004 / Accepted: 15 August...Abstract Kyushu Island, Japan, is located at the junction of the Southwest Japan arc and the Ryukyu arc...the Philippine Sea plate beneath the Southwest Japan arc caused development of the Hohi graben and arc-related...polygenetic andesite volcanism with associated HS (Kasuga, Iwato, and Akeshi) and LS (Kushikino) mineral...orthogonal convergence rate between the Southwest Japan arc and the Philippine Sea plate, resulting in a |  | | Journal (article/letter/editorial) | | MINING DISTRICT, WESTERN PART OF THE IZU PENINSULA, JAPAN NAOTATSU SHIKAZONO Geological Institute, Faculty...Faculty of Science, University of Tokyo, Tokyo 113 (Japan) (Accepted for publication July 16, 1984) Abstract...mining district, western part of the Izu Peninsula, Japan. In: Y. Kitano (Guest-Editor), Water-Rock Interaction...district, in the western part of the Izu Peninsula, Japan. The propylitic alteration has the following zonal...the other Au--Ag mining districts in Japan. 1. Introduction In Japan many epithermal vein-type deposits |  | UCHIDA, Akiko, YOKOYAMA, Takushi, WATANABE, Koichiro, IZAWA, Eiji (2001) Gold Content in Siliceous Deposits Formed from Acidic and Iron-rich Geothermal Waters at Hatchobaru, Central Kyushu, Japan. Resource Geology, 51 (3) 269-271 doi:10.1111/j.1751-3928.2001.tb00099.x | Journal (article/letter/editorial) | | Geothermal Waters at Hatchobaru, Central Kyushu, Japan Akiko UCHIDA, Takushi YOKOYAMA*, Koichiro WATANABE...Hatchobaru geothermal power station in central Kyushu, Japan, was determined by inductively coupled plasma quadrupole...Hatchobaru geothermal power station in central Kyushu, Japan. Special emphasis is given to demonstrate the possible...northwestern slope of Kuju volcano in central Kyushu, Japan (Fig. 1). Basement rocks consist of Paleozoic Received...University, Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan [e-mail: uchida@mine.kyushu-u.ac.jp] * Department |  | | Report (issue) | | 100.00% after deduction of 0.97% insol. and 0.56% pyrite. (2) Huaron, Peru; by electron microprobe. (3)...tetrahedrite–tennantite, colusite, stannoidite, pyrite, chalcopyrite, covellite, sphalerite, bismuthinite...the Lepanto mine, Mankayan, Luzon, Philippines [TL], as an ore mineral. In the Chinkuashi mine, Keelung...In Japan, at the Teine, Morino, and Date mines, Hokkaido; the Kasuga and Akeshi mines, Kagoshima Prefecture;...Goldfield, Esmeralda Co., from the Golden Chariot mine, Jamestown district, Nye Co., and in the Burrus |  | | Journal (article/letter/editorial) | | PROCEEDING IN JAPAN By TOSHIO SUDO Tokyo University of Education ABSTRACT Studies on clays in Japan were begun...crystallinity. INTRODUCTION Studies on clays were begun in Japan before 1900. The late Professor S. Kozu and his...first discovered an interesting clay from Niigata Prefecture in 1899, which he named an acid clay and which...investigators who initiated clay mineral studies in Japan and facilitated subsequent developments. Clay mineral...scientific fields. Recent clay mineral studies in Japan have taken place in the fields of geology, mineralogy |  | Tindell, Thomas, Watanabe, Koichiro, Imai, Akira, Takahashi, Ryohei, Boyce, Adrian J. (2013) Stable Isotope and Geochemical Observations in the Kago Low-sulfidation Au/Ag Deposit, Southern Kyushu, Japan. Procedia Earth and Planetary Science, 6. 77-82 doi:10.1016/j.proeps.2013.01.011 | Journal (article/letter/editorial) | | KagoLow-Sulfidation Au/Ag Deposit, Southern Kyushu, Japan Thomas TINDELL1, Koichiro WATANABE1, Akira IMAI2...819-0395, Japan 2 Departmentof Earth Science and Technology, Akita University, Akita, Japan 3 Scottish...low-sulfidation Au/Ag deposit was an extensively excavated mine, primarily in the Edo-period (1684), reaching as...grades of gold made this deposit more favourable to mine, in comparison to other operating mines such as...deposit is located approximately 5km from both the Kasuga and Iwato high-sulfidation deposits located towards |  | | Journal (article/letter/editorial) | | Inclusionsfrom Epithermal Au-Ag Vein-Type Deposits in Japan NAOTATSU SHIKAZONO GeologicalInstitute,Facultyof...Bunkyo-ku,Hongo,Tokyo113, Japan Abstract The assemblageelectrum-sphalerite-pyrite-argentite is commonin...electrum-sphalerite-pyrite-argentite assemblage, the temperaturesfor the electrum-sphalerite-pyrite-AgSe.Te mineral(naumannite...ison. applicability of the electrum-sphalerite-pyrite-arIn this paper, filling temperaturesof fluid inclusions...150ø to 300øC. At these The electrum-sphalerite-pyrite-argentite assemblagetemperaturesthe phase relations |  | | Report (issue) | | 2 (1M) X-ray Powder Pattern: Kasuga-mura, Gifu Prefecture, central Japan. (polytype 1A) 2.62 (100), 9...79 0.97 0.16 [4.26] 99.0 (1) Kasuga-mura, Gifu Prefecture, central Japan; electron microprobe analysis... pyrrhotite, chalcopyrite, chlorite, pyrite (Kasuga-mura, Japan); enstatite, spinel (China). Distribution:...From the dumps of Kawai pit, Kasuga-mura, Gifu Prefecture, central Japan. From Zillertal, Tyrol, Austria...Survey of Japan, AIST, Tsukuba (M35151-4) and at the National Science Museum, Tokyo (NSM-28719), Japan. References: |  | Wada, Hideki, Tomita, Toshihiro, Matsuura, Kazuhiro, Tuchi, Keisuke, Ito, Masahiro, Morikiyo, Toshiro (1994) Graphitization of carbonaceous matter during metamorphism with references to carbonate and pelitic rocks of contact and regional metamorphisms, Japan. Contributions to Mineralogy and Petrology, 118 (3) 217-228 doi:10.1007/bf00306643 | Journal (article/letter/editorial) | | pelitic rocks of contact and regional metamorphisms, Japan Received: 26 April 1994 / Accepted: 14 July 1994...metamorphic terrains, a contact aureole of the Kasuga area and a regional metamorphic terrain of high-temperature/low...metamorphic terrain in Northern Kiso area, Central Japan, and for two different lithologies (carbonate and...composition of carbonaceous matter in pelites in the Kasuga contact aureole can be distinguished, about -28%o... 422 Japan M. Ito College of General Education, Nagoya University, Chikusa, Nagoya 464-1 Japan T. Morikiyo |  | | Journal (article/letter/editorial) | | Mineralization at the Hishikari Deposit, Southern Kyushu, Japan Ryota SEKINE, Eiji IZAWA* and Koichiro WATANABE*..., 5-11-3 Shimbashi, Minato-ku, Tokyo 105-8716, Japan [e-mail: r.sekine@mr.smm.co.jp] * Department of...University, 6-10-1 Hakozaki, Fukuoka 812-8581, Japan Received on December 27, 2001; accepted on February...The Hishikari mine is located in the Hokusatsu gold district in southern Kyushu, Japan. The Kushikino...below an old tunnel by the Metal Mining Agency of Japan in 1981 (e.g., Izawa et al., 1990; Ibaraki and Suzuki |  | Banno, Y., Miyawaki, R., Kogure, T., Matsubara, S., Kamiya, T., Yamada, S. (2005) Aspidolite, the Na analogue of phlogopite, from Kasuga-mura, Gifu Prefecture, central Japan: description and structural data. Mineralogical Magazine, 69 (6) 1047-1057 doi:10.1180/0026461056960307 | Journal (article/letter/editorial) | | analogue of phlogopite, from Kasuga-mura, Gifu Prefecture, central Japan: description and structural data...KAMIYA4 AND S. YAMADA5 1 Geological Survey of Japan, National Institute of Advanced Industrial Science...(AIST), 1-1-1 Higashi, Tsukuba, Ibaraki, 305-8567, Japan 2 Department of Geology, The National Science Museum...3-23-1 Hyakunin-cho, Shinjuku-ku, Tokyo, 169-0073, Japan 3 Department of Earth and Planetary Science, Graduate...Bunkyo-ku, Tokyo, 113-0033, Japan 4 Tsukaguchihon-machi, Amagasaki, Hyogo, 661-0001, Japan 5 92 Hoshino, Kiyomizu | | SAKAMOTO, TAKABUMI, SUZUKI, SHIGERU, TATEMATSU, HIDENOBU, OTSUKA, RYOHEI (1980) Iron-sepiolite from the Seikan Tunnel, Japan. The Journal of the Japanese Association of Mineralogists, Petrologists and Economic Geologists, 75 (5) 164-171 doi:10.2465/ganko1941.75.164 | Journal (article/letter/editorial) | | J. Japan. Assoc. Min. Petr. Econ. Geol. 75, 164-171, 1980 IRON-SEPIOLITE FROM THE SEIKAN TUNNEL, TAKABUMI... 700 Japan. SUZUKI and Tokyo, HIDENOBU Railway JAPAN 160 Engineering, Waseda Japan TATEMATSU...Institute, JNR, Hikari-cho, Kokubunji-ski, 185 Japan. and RYOHEI Department of Mineral Industry...00(Fe3+1.25Fe2+0.26Mn5.02Mg6.00) If Engineering, Japan. s modified formula octahedral and been formed...some clay minerals, pyrite, and amphibole in a dolo mite deposit of the Kasuga mine , Gifu Pref. (Shimosaka |
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