 | | 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...2M2 mica ~ sudoite ~ tosudite; and 2. L-type, kaolinite ~ rectorite - smectite. The structural formula |  | | 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...features gold hydrothermal and minerals kaolin kaolinite. are clay Some described. Introduction Nacrite |  | 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 |  | | Journal (article/letter/editorial) | | Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan *Corresponding author, e-mail: kogure@eps.s.u-tokyo...University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan Abstract: Stacking defects in kaolin minerals (mainly...defects (e.g., Giese, 1988). Stacking defects in kaolinite have been investigated with particular attention...attention among the three polytypes (kaolinite, dickite and nacrite) in kaolin minerals. Until now the most...plausible models for the defect structures in kaolinite are (1) disorder of interlayer shifts and (2) |  | 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 |  | 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) | | 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...Deposits in Kyushu, Japan Kyushu is located at the intersection of the Southwestern Japan Arc and the Ryukyu...dacitic volcanic rocks in Kyushu, Japan (Figure 1). Kagoshima-ken (a prefecture in Kyushu) is situated in the |  | | 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) | | 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) | | 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 |  | | Report (issue) | | 697(2) ¯ = 113 ± 42(5)0 X-ray Powder Pattern: Tracy mine, Michigan, USA. 7.18 (100), 4.361 (80), 3.588 (80)...Group: Dickite, halloysite, and kaolinite are polymorphs. Kaolinite-serpentine group. Occurrence: ... Of hydrothermal origin. Association: Kaolinite, dickite, mica, quartz. Distribution: Probably at...Eustache, Quebec, Canada. In the USA, at the Tracy mine, south of Negaunee, Marquette Co., Michigan; from...San Juanito, Chihuahua, Mexico. In Japan, at Yaita, Tochigi Prefecture; in the Kobayashi, Kanekura, and |  | | 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 |  | 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 |  | | 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 |  | | 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, |  | | Journal (article/letter/editorial) | | Features of Large Magmatic–Hydrothermal Systems in Japan: Characteristics Similar to the Tops of Porphyry...3Geological Survey of Japan, AIST, Tsukuba, Japan Abstract Volcanic complexes in Japan such as Kusatsu Shirane...widespread in both active and extinct settings in Japan. In addition, distal geothermal hot springs typically...Resource Geology 1 J. W. Hedenquist et al. Japan are dynamic – both cycling as well as evolving –...nature of some magmatic– hydrothermal systems of Japan, including Kusatsu Shirane, Kuju-Hatchobaru, and |  | | 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 |  | | Journal (article/letter/editorial) | | KAORU OINUMA Tokyo University of Education, Tokyo, Japan ABSTRACT Experimental data are presented to show...auxilliary procedures adopted for identification of kaolinite in the presence of chlorite are not generally...3698±2 cm- 1 is effective for distinguishing kaolinite from other clay minerals without the use of any...weight percent of kaolinite in total amounts of clay minerals. Identification of kaolinite by its absorption...often encounter difficulty in identification of kaolinite in the presence of chlorite by X-ray powder diffraction |  | | Journal (article/letter/editorial) | | 980-8578, Japan Department of Earth and Planetary Sciences, Kyushu University, Fukuoka 812-8581, Japan [e-mail:...and Environmental Sciences, Kagoshima University, Kagoshima 890-0065, Japan ***Department of Geoscience...Technology, Tohoku University, Sendai 980-8579, Japan Received on July 28, 2003; accepted on December...alteration together locally with a tourmaline-pyrite-kaolinite-dickite assemblage. Tin-polymetallic veins are...formerly known as Catavi, the largest tin-producing mine in Bolivia, numerous veins have developed in the |  | | Book | | I M O D A , Editors CLAYS AND CLAY MINERALS OF JAPAN 21 M.M. M O R T L A N D and V.C. F A R M E R INTERNATIONAL...Professor, Tokyo University of Education, Tokyo 1.53, Japan SUSUMU SHIMODA Assistant Projessor, Institute of'...University of' Tsukuba, Ibaragi Prej: 300 -31, Japan HARUO YOTSUMOTO Assistant Director, ScientiJic...Ltd., Tokyo 196, Japan SABURO AITA Assistant Manager, JEOL Ltd., Tokyo 196, Japan 1981 KODANSHA LTD...Vanderbilt Avenue, New York, N.Y. 10017 Printed in Japan Contributors Numbers in parentheses indicate |  | | Book | | I M O D A , Editors CLAYS AND CLAY MINERALS OF JAPAN 21 M.M. M O R T L A N D and V.C. F A R M E R INTERNATIONAL...Professor, Tokyo University of Education, Tokyo 1.53, Japan SUSUMU SHIMODA Assistant Projessor, Institute of'...University of' Tsukuba, Ibaragi Prej: 300 -31, Japan HARUO YOTSUMOTO Assistant Director, ScientiJic...Ltd., Tokyo 196, Japan SABURO AITA Assistant Manager, JEOL Ltd., Tokyo 196, Japan 1981 KODANSHA LTD...Vanderbilt Avenue, New York, N.Y. 10017 Printed in Japan Contributors Numbers in parentheses indicate |  | | 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...On the origin of Kuroko of the Kosaka mine. J. Geol. Soc. Japan, 26, 107-132 (in Japanese). Ohmoto, H |  | | Journal (article/letter/editorial) | | Potential for Base and Precious To Metal Deposits in Japan 2020) Antonio ARRIBAS and Toshio MIZUTA Faculty...University, Akita, Japan Abstract There are no known porphyry copper deposits in Japan. Attempts were made...latter option. In this article, we focus on Akita Prefecture and the surrounding areas and consider the potential...northern Honshu and that it serves as a proxy for Japan in general. Akita is rich in mineralization styles...the late 1800s. Osarizawa, the last active vein mine, closed in 1978. Kuroko deposits, the main source |  | | Journal (article/letter/editorial) | | and the associated altered dikes. Dickitc and kaolinite are the most abundant clay minerals in the Marquette...the conclusions drawn from field relationships. Kaolinite can be formedreadilyover a wide rangeof temperatures...orthoclase.Noll (55, 56, 57) has synthesized kaolinite betweenthe temperaturesof 250ø and 400ø C at variouswater...Goldfield,Steamboat Springs,andtheIzu peninsula of Japan(36, 68, 69, 89). In summary,both the synthesis data...Tracy mine,southof Negaunee, Michigan. The nacriteoccupies smallpockets,with dickiteand kaolinite,in a |  | T. Johnston, Cliff, Elzea Kogel, Jessica, L. Bish, David, Kogure, Toshihiro, H. Murray, Haydn (2008) Low-temperature Ftir Study of Kaolin-Group Minerals. Clays and Clay Minerals, 56 (4) 470-485 doi:10.1346/ccmn.2008.0560408 | Journal (article/letter/editorial) | | Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033 Japan Abstract—Low-temperature FTIR spectroscopy was used...low-temperature positions of the n(OH) bands of kaolinite, dickite, and nacrite were linearly correlated...dickite-like disorder was found in high Hinckley-Index kaolinite from Keokuk, Iowa, and from Cornwall, England...observed in both high- and low-Hinckley-index kaolinite and the amounts of these stacking sequences generally...Spectroscopy, Hinckley Index, Kaolin-group Minerals, Kaolinite, Lowtemperature FTIR Spectroscopy, Nacrite, Structural |
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