 | | 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...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) | | 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...with high-sulfidation-state minerals, including enargite, tennantite, and covellite, are commonly referred...Deposits in Kyushu, Japan Kyushu is located at the intersection of the Southwestern Japan Arc and the Ryukyu |  | 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) | | 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...pyrite, stibioluzonite and sometimes tennantite and enargite. Average value of five microprobe analyses is:...zinckenite from the Mitsuishi deposit of the Kasuga mine. A: Acicular crystals of zinckenite in druse...curves 浅 彦 ・北 風 嵐 for zinckenite from the Kasuga mine. タ ー で 測 定 し た 。測 定 結 果 はTable 1. Reflectivity |  | | 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 |  | | 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...77-86. Ashley, R. P., 1982, Occurrence model for enargite-gold deposits, in Erickson, R. L., ed., Characteristics...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 |  | | 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) | | 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...77-86. Ashley, R. P., 1982, Occurrence model for enargite-gold deposits, in Erickson, R. L., ed., Characteristics...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 |  | | Report (issue) | | fine-grained, massive, intimately intergrown with enargite. Twinning: Common on {112}, also polysynthetic...Polymorphism & Series: Mineral Group: Dimorphous with enargite; forms a series with famatinite. Stannite group...formed at low to medium temperatures. Association: Enargite, tetrahedrite–tennantite, colusite, stannoidite...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; |  | | 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 |  | 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 |  | | 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) | | 特別号1976年3月 石 両 鉱 山 産enargiteお luzonite‑famatinite系 Study on the chemical 苣木 of enargite series Ake shi...shi mines, from the Kagoshima 浅 彦(Asahiko 敞 史(Hiromi 島 北 鉱 物 の組成 につい て composition of luzonite-famatinite...luzonite-famatinite 風 よび え and Prefecture Sugaki) Shima) 嵐(Arashi 1.ま and minerals Kasuga Kitakaze) が き 鹿...浅 熱 水 性 鉱 床 で あ る 。 両 鉱 山 と もCu‑As‑Sb‑S系 鉱 物 のenargiteお す る こ とは す で に 徳 永 ‑tinite系 よ びluzonite‑famatinite系...びluzonite‑famatinite系 に よ り報 告 さ れ て い る 。 こ のenargiteお 鉱 物 な ど のCu3AsS4‑Cu3SbS4系 に お い て は 渡 辺 万 次 郎,渡 鉱 物 に |  | | Journal (article/letter/editorial) | | would be useful in genetic studies, exploration, mine planning, and environmental compliance. For example...mainly of small-sample averages from Nansatsu (Japan), Rodalquilar (Spain), Paradise Peak (Nevada) and...samples were obtained for this study Drill hole Mine coordinates Depth(m) NS EW Start End Moore...minerals at Pueblo Viejo are pyrite, sphalerite, and enargite. Pyrite formed matching, typically botryoidal...FeS) that is found throughout the deposits, and enargite that is found at deeper levels of the deposits |  | | Book | | G - EOLOGICAL OF THE MINERI IN JAPAN AND Hideki Imai t z0 ::a:: 0 0 � I ( CRYSTALS NOT PISTOLS...STUDIES OF THE MINERAL DEPOSITS'( GEOLOGICAL lN JAPAN AND EAST ASIA ,,.. I -I �1n .. o� ;.,. "W...GEOLOGICAL STUDIES OF THE MINERAL DEP OSITS IN JAPAN AND EAST ASIA Hideki Imai UNIVERSITY OF TOKYO PRESS...TOKYO PRESS, 1978 UTP 3044-687 59-5 I 49 Printed in Japan All rights reserved. No part of this publication...During these 40 years, I studied the ore deposits in Japan and East Asia from the geological and mineralogical |  | | Journal (article/letter/editorial) | | of H$ to the acid waters, native S, pyrite, and enargite are theoretically predicted to be saturated. Reactions...~~~~;CHRLSTENSON~~~ WOOD, 1994), Kusatsu-Shirane, Japan (TAKANO, 1987; TAKANO and WATANUKI, 1990), and Pois...native S: pyrite (Fe&), bismuthinite (Bi&), Sb-rich enargite (or luzonite) (Cu3AsS4), and stannite (Cu#eSn&)...progressive saturation of native S, pyrite, and enargite at P. Delmelle and A. Bernard 2452 (4 MnxlO...the Sulfur Spherules The occurrence of pyrite, enargite, bismuthinite, and stannite disseminated in the | | | Journal (article/letter/editorial) | | samples of luzonite and famatinite from 7 mines in Japan, Formosa and Philippines were examined by electron... The specimens from the Hokuetsu mine, Japan and the Mankayan mine, Philippines have most nearly stoichiometric...% Cu3SbS4. They from the Lobo mine, Philippines and the Kinkaseki mine, Formosa have from 2 to 12 mol...luzonite-famatinite series minerals from the Teine, Kasuga and Akeshi mines, Japan have compositions of such wide range...Skinner (1960). Lz: luzonite, Fm: famatinite, En: enargite. (昭 和53年2月8日 受 理) 64 苣木 Cu3SbS4成 AsS4成 分 |  | | Journal (article/letter/editorial) | | '•...... _2, .. '-.•.:S.a. of southernKyushu,Japan(e.g., Urashimaet al., 1987). •i½o Johnet al. (1991)presented...ore formationat ParadisePeak, aldepositsin Kyushu,Japan(Izawa, 1991; Hedenquist thoughHedenquistet al. (1994)...halos;however,modestlyelevatedzinc values depositsin Kyushu,Japan,are alsolargelyoxidized, (mean:271 ppm) are alsopresentin...EastZonedepositandare amountsof the copper-arsenic sulfosalts,enargite inferred to have evolved from a stock still concealed...KetchupKnob, 1991), Iwatoin the Nansatsu district,Japan(Heden- KetchupFlat, and CountyLine were emplacedin |  | | 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 |  | Petersen, S., Monecke, T., Westhues, A., Hannington, M. D., Gemmell, J. B., Sharpe, R., Peters, M., Strauss, H., Lackschewitz, K., Augustin, N., Gibson, H., Kleeberg, R. (2014) Drilling Shallow-Water Massive Sulfides at the Palinuro Volcanic Complex, Aeolian Island Arc, Italy. Economic Geology, 109 (8) 2129-2158 doi:10.2113/econgeo.109.8.2129 | Journal (article/letter/editorial) | | distinct mineral assemblage of fine-grained anhedral enargite, hypogene covellite, chalcopyrite, and galena...states are indicated by the presence of abundant enargite and hypogene covellite. Laser ablation and conventional...overgrowth of euhedral tetrahedrite by fine-grained enargite also has been observed (Fig. 6F). Famatinite is...presence of euhedral covellite intergrown with enargite and galena. This assemblage is most common in...larger aggregates 35 of covellite and coexisting enargite, the former often exhibiting bladed textures (Fig |  | Glasby, G.P., Iizasa, K., Hannington, M., Kubota, H., Notsu, K. (2008) Mineralogy and composition of Kuroko deposits from northeastern Honshu and their possible modern analogues from the Izu-Ogasawara (Bonin) Arc south of Japan: Implications for mode of formation. Ore Geology Reviews, 34 (4) 547-560 doi:10.1016/j.oregeorev.2008.09.005 | Journal (article/letter/editorial) | | analogues from the Izu-Ogasawara (Bonin) Arc south of Japan: Implications for mode of formation G.P. Glasby...Germany Geological Survey of Japan, AIST, 1-1-3 Higashi, Tsukuba, Ibaraki 305, Japan c Department of Earth Sciences...of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-003, Japan b a r t i c l e i n f o Article history: Received... 1991. A new model for Kuroko-type deposits of Japan. Episodes 14, 246–251]. © 2008 Elsevier B.V. All...Introduction The Kuroko deposits of NE Honshu, Japan, are a key type deposit for the study of volcanogenic |  | | Report (issue) | | Norte Cty, CA Santa Helena, Antioquia, Colombia Goto Mine, Luzan, P.I. References Wells, F. G. et al 1946...Associated Deposit Types Vein deposits of chalcopyrite-enargite-bornitemolybdenite; or pyrite-gold; or sphale...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...marcasite, arsenopyrite, bismuthinite, molybdenite, enargite, millerite, freibergite, cobaltite, cassiterite |  | Mitchell, Andrew H. G., Myint, Win, Lynn, Kyi, Htay, Myint Thein, Oo, Maw, Zaw, Thein (2011) Geology of the High Sulfidation Copper Deposits, Monywa Mine, Myanmar. Resource Geology, 61 (1) 1-29 doi:10.1111/j.1751-3928.2010.00145.x | Journal (article/letter/editorial) | | Geology of the High Sulfidation Copper Deposits, Monywa Mine, Myanmar Andrew H. G. Mitchell,1 Win Myint,2 Kyi...Myanmar and 2Myanmar Ivanhoe Copper Company Limited, Mine Site, Monywa, Myanmar Abstract The 50 km2 Monywa...breccias probably post-date andesite porphyries in the mine area and lack ore-grade copper. Host rocks to mineralization...resulting acid sulfate solutions partly replaced enargite, covellite, chalcopyrite, bornite and pyrite with...sulfidation, Miocene breccia dykes, Monywa copper mine, Myanmar, supergene enrichment. 1. Introduction |
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