 | | 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...alteration aureoles are: I. H-type, pyrophyllite ~ dickite ~ 2M2 mica ~ sudoite ~ tosudite; and 2. L-type |  | | 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) | | 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...deposit and Kasuga the of X-ray wall powder analysis. that hypogene dickite of these the...Southern dickite Kyushu, kaolin altered in epithermal clay, The Nacrite-bearing parts mine. mine |  | | Journal (article/letter/editorial) | | Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan *Corresponding author, e-mail: kogure@eps.s.u-tokyo...Chiba 263-8522, Japan Abstract: Stacking defects in kaolin minerals (mainly dickite) from a hydrothermal...attention among the three polytypes (kaolinite, dickite and nacrite) in kaolin minerals. Until now the...disorder of octahedral vacancy sites), and that dickite crystals are almost defect free. Such a HRTEM study...hydrothermally altered kaolin product in which dickite appears dominant from the X-ray diffraction. In |  | 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) | | 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) | | 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) | | 697(2) ¯ = 113 ± 42(5)0 X-ray Powder Pattern: Tracy mine, Michigan, USA. 7.18 (100), 4.361 (80), 3.588 (80)...(OH)4 : Polymorphism & Series: Mineral Group: Dickite, halloysite, and kaolinite are polymorphs. Kaolinite-serpentine...hydrothermal origin. Association: Kaolinite, dickite, mica, quartz. Distribution: Probably at many...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 |  | | 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 |  | | 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) | | 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...intersected in drill holes is characterized by alunite–dickite–pyrophyllite or chlorite–wairakite, respectively...Resource Geology 1 J. W. Hedenquist et al. Japan are dynamic – both cycling as well as evolving – |  | | 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) | | KAORU OINUMA Tokyo University of Education, Tokyo, Japan ABSTRACT Experimental data are presented to show...used are sedimentary and hydrothermal kaolinites, dickite, ripidolite, leuchtenbergite and thuringite. They...of temperature. 1, Dickite (Kasuga Mine). 2, Hydrothermal kaolinite (Kampaku Mine). 3, Sedimentary kaolinite...temperature. 1, Ripidolite (Hitachi Mine). 2, Leuchtenbergite (Wanibuchi Mine). 3, Thuringite (rchinokoshi,... (e), (d) AND (e). Mineral Origin 1 Dickite Dickite Nacrite Nacrite Kaolinite Kaolinite Kaolinite |  | | 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 |  | | Journal (article/letter/editorial) | | serpentine,chalcopyrite, and the clay mineral dickite (28) in the ores is indicativeof hydrothermal activity...Dick (16) and Smithsonand Brown (72, 73) describe dickite filling the spacebetweenthe grains of severalCarboniferousand...probablemagmasand an origin by diagenesis is invokedfor the dickite (72, 73). Kaoliniteis ubiquitous in its occurrence...Goldfield,Steamboat Springs,andtheIzu peninsula of Japan(36, 68, 69, 89). In summary,both the synthesis data...contained in a drill corespecimen from the Tracy mine,southof Negaunee, Michigan. The nacriteoccupies |  | | 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...together locally with a tourmaline-pyrite-kaolinite-dickite assemblage. Tin-polymetallic veins are emplaced...formerly known as Catavi, the largest tin-producing mine in Bolivia, numerous veins have developed in the |  | 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...discrete dickite and nacrite. Low-temperature FTIR spectra were useful in resolving dickite- and nacrite-like...low-temperature positions of the n(OH) bands of kaolinite, dickite, and nacrite were linearly correlated with the...basis for polytype/disorder identification. Dickite or dickite-like disorder was found in high Hinckley-Index...from Keokuk, Iowa, and from Cornwall, England. Dickite- and nacrite-like features were observed in both |  | | Report (issue) | | Veins and Vein Sediments, of the Golden Wonder Mine Lake City, Colorado: an Epithermal Hot Springs Gold-Alunite...Generalized geologic map, Lake City Area. Schematic west-east section, Golden Wonder Mine. West-east section, Golden...Golden Wonder Mine. Plan view map, third level. Plan view map, east end of sixth level. Plan view map...alunite. Hot-spring model for the Golden Wonder Mine. Isothermal log fO£-fS2 diagram, 250^C, 1 atm. pressure...Wonder Mine 11 GEOLOGY OF THE VEINS AND VEIN SEDIMENTS OF THE GOLDEN WONDER MINE, LAKE CITY, COLORADO: |  | Qin, Kezhang, Sun, Shu, Li, Jiliang, Fang, Tonghui, Wang, Shulai, Liu, Wei (2002) Paleozoic Epithermal Au and Porphyry Cu Deposits in North Xinjiang, China: Epochs, Features, Tectonic Linkage and Exploration Significance. Resource Geology, 52 (4) 291-300 doi:10.1111/j.1751-3928.2002.tb00140.x | Journal (article/letter/editorial) | | to the Circum West Pacific volcanic Au belt from Japan, Taiwan, Philippines, Indonesia, Papua New Guinea...Dananhu-Tousuquan island arc, about 120 km southwest to Hami city, East Xinjiang. With regard to the metallogenic...III-Orebody cemented by sists of silicification, dickite alteration, quartz breccia and detritus (with veinlet...acidic leaching orogen of China. and existence of dickite, are located in the central part, while the intermediate-argillic...porphyry gangue minerals include quartz, sericite, dickite, kaolinite Cu and epithermal Au deposits and barite |  | | 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 |  | | Report (issue) | | Norte Cty, CA Santa Helena, Antioquia, Colombia Goto Mine, Luzan, P.I. References Wells, F. G. et al 1946...Geochemical Signature: Examples Daiquiri, Cuba Shinyana, Japan Fe, Cu, Co, Au, possibly Sn References Lindgren...Bailadores (Venezuela) Kidd Creek (Canada) Hanaoka (Japan) Macuchi, Equador References 3.2 (continued) Carlson...Regional Mn halos Examples References Sullivan mine, Canada Hamilton and others (1981) Sediment hosted...mixed-layer illite-chlorite altered to 2M muscovite; dickite and kaolinite in vugs; very minor adularia Ore |
|
