| | Journal (article/letter/editorial) | theYataniLead-Zinc andGold-SilverDeposit,Japan KEIKO HATTORI Abstract The Yatani mine, a representativeof volcanic...epithermalpreciousand base metal depositsof Tertiary age in Japan, containsboth Pb-Zn and Au-Ag veins. Based on mineral...metal-sulfurcomplexesoccurred. Most epithermalAu-Ag veins in Japan show similar features in their mineral parageneses...ciousor base metal veinsin Neogeneformationsin Japan. This paper discusses the transportandprecipitation...Surfacegeologyof the Yatani minearea. After geologicalstaff of the Yatani mine,Oppu Mining Co., Ltd. | | | Journal (article/letter/editorial) | 1986 study of the vein-type Au-Ag Yatani and Zn-Pb in Japan deposits NAOTATSU SHIKAZONO and HIDEHIKO...Geological Institue, University of Tokyo, Tokyo 113, Japan (Received June 12, 1985: Accepted August 14, 1985)...sulfide minerals from the Yatani depositswhich occur in the Green tuff region of Japan were determined separately...INTRODUCTION Yatani deposits occur in the Tertiary vol canic region of northeastern Japan. The deposits...have been studied by Taniguchi (1969), Hattori Yatani this paper deposits sulfur are isotope reported | | | Journal (article/letter/editorial) | Science,Universityof Tokyo,Bunkyo-ku,Hongo,Tokyo113, Japan Abstract The assemblage and mode of occurrenceof...suggestthat the fcoā¢ for vein-type mineralizationin Japan is controlled by alteration mineralscommonlyoccurringin...hostrocksfor Neogenevein-typemineralizationdistrictsin Japan,it was found that many Cu-Pb-Zn-richvein-type depositsoccurin...similaritiesbetween epithermal type deposits in Japan have been carried out in vein-type depositsand active...(24) (25) (26) (27) (28) (29) (30) (31) (32) (33) Mine name Motokura Hokurhu Sanru Numanoue Kohnomai Kitami | | | Journal (article/letter/editorial) | Tokyo 113, Japan GeologicalInstitute, Faculty of Science, University of Tokyo, Tokyo 113, Japan Abstract...seven skarn-type and six vein-type deposits in Japan and three foreign deposits were studied. Locations...observed in the samples collected from the Ashio mine, as already reported by Nakamura (1954) and Moh...130Ā° ,.)uz-uy~L Lma 0 300 km Fig. l. Map of Japan showing the ore deposits studied 315 Table 1...of the stannite-sphalerite geothermometers Mine Prefecture Hoei Nakatatsu Obira Kano Kuga Tsumo Kamioka | | | Journal (article/letter/editorial) | compositionof coexisting acanthite, sphalerite, and electrum and mineral stability relationshipshitherto established...contentof sphalerite and the silver content of electrum can be representedas a function of total dissolved...ionic strength, activity coefficients Toyoha (Pb-Zn) mine of aqueousspecies,activitiesof components in solid...and electrum which oc- stageor early in the carbonatestage. cur commonlyin these deposits. Yatani (Au-Ag-Pb-Zn)...(Au-Ag-Pb-Zn) mine General Description of the Ore Deposits The locationsof the depositsstudied are shown | | | Journal (article/letter/editorial) | A Comparisonof TemperaturesEstimatedfrom the Electrum-SphaleritePyrite-Argentite Assemblageand Filling...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...the precipitationtemperatureswere estimated.The electrum-sphaleritetemperatureswere comparedwith the filling...simultaneously with this mineral assemblage. Almostall electrum-sphalerite temperaturesare within +__30ĆøC of the | | | 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) | University-ofTokyo, Japan Sphalerites from Japanese epithermal Pb-Zn vein-type deposits, namely, Yatani, Oizumi...observed at the Shoko-hi vein, Hosokura mine and Hompi vein, Yatani mine. In several samples, the temperatures...environment of the Animas ore-pipe, Providencia mine, Mexico, had been less than 50Ā°C per kilometer....temperature difference from top to bottom of the Butte mine, America, may be less than 25-30Ā°C (Meyer and Hemley...temperature on pyrite and quartz from the McIntyre mine, Canada, falls into two distinctly different groups | | | Journal (article/letter/editorial) | native gold and electrum and the geochemical environment of gold vein deposits in Japan N. Shikazono 1...Faculty of Science, University of Tokyo, Tokyo 113, Japan 2 Department of Petrology and Mineral Deposits,...Tokyo, Tokyo 113, Japan Abstract. The chemical composition of native gold and electrum from auriferous...deposits in Japan has been analyzed and summarized. The Ag/Au ratios of native gold and electrum from these...suggest that the Ag/Au ratio of native gold and electrum should decrease with increasing chloride concentration | | Yamaguchi, Kohei, Tomiyama, Shingo, Igarashi, Toshifumi, Yamagata, Saburo, Ebato, Masanori, Sakoda, Masatoshi (2021) Improvement in pH and Total Iron Concentration of Acid Mine Drainage after Backfilling: A Case Study of an Underground Abandoned Mine in Japan. Minerals, 11 (11) 1297 doi:10.3390/min11111297 | Journal (article/letter/editorial) | of Acid Mine Drainage after Backfilling: A Case Study of an Underground Abandoned Mine in Japan Kohei Yamaguchi...Shingo Tomiyama 3 , Toshifumi Igarashi 3 , Saburo Yamagata 2 , Masanori Ebato 4 and Masatoshi Sakoda 5 1...Citation: Yamaguchi, K.; Tomiyama, S.; Igarashi, T.; Yamagata, S.; Ebato, M.; Sakoda, M. Improvement in pH and...of Acid Mine Drainage after Backfilling: A Case Study of an Underground Abandoned Mine in Japan. Minerals...060-8628, Japan Mitsubishi Materials Corporation, 3-2-3, Marunouchi, Chiyoda-ku, Tokyo 100-8117, Japan; s-yamaga@mmc | | | Journal (article/letter/editorial) | from the Neogene epithermal vein-type deposits of Japan: Implication for evolution of terrestrial geothermal...Faculty of Science, University of Tokyo, Tokyo 113 (Japan) (Accepted for publication April 13, 1989 ) Abstract...from the Neogene epithermal vein-type deposits of Japan: Implication for evolution of terrestrial geothermal...from the Neogene epithermal vein-type deposits in Japan can be divided into two types: type A which precipitated...carbonates from Neogene epithermal vein-type deposits in Japan have been carried out: (1) a large number of oxygen | | | Journal (article/letter/editorial) | Gold Mineralization in Izu Peninsula, Central Japan, during Crustal Extension in Response to Double...Shizuoka University, Shizuoka-City, Japan Abstract Izu Peninsula in central Japan, the northern tip of the...of the Sado AuāAg deposit on Sado island in the Japan Sea. Two mineralization events coincide with extensive...dyke swarms related to the back-arc opening of the Japan Sea. The geological setting of the AuāAg mineralization...Introduction The Izu Peninsula, central Honshu, Japan is well known for its epithermal AuāAg vein deposits | | | Journal (article/letter/editorial) | referred to as gold, those with fineness 200-800 as electrum and less than 200 as silver. Historically, fineness...the Timmins-OchaliBerlin mine, Columbia (Fisher, 1950) and at the O'Brien mine, Quebec (Mills, 1954). However...character. Gold and silver grains from the Ross Mine, Ontario, 339 SILVER CONTENT (FINENESS) OF GOLD...740 in fineness and range from 0 to 770. Native electrum grains (fineness 0.5 ) are found in contact with...in intrusive rocks (Troop, 1986) suggest the Ross Mine may have a different origin to typical Abitibi Belt | | | 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) | Hokkaido,Japan NAOTATSU SHIKAZONO Abstract Epithermal lead-zinc vein-type depositsof the Toyoha mine, Hokkaido...Hokkaido, Japan, occur in the Green Tuff region of Miocene age. The veins are divided into two groups,...northeastern part of Honshu, the main island of Japan, whereas the vein-typedepositsare distributedthroughoutthe...lead-zincmineis the largestamongthem. The Toyoha mine was already in operationwhen Benjamin Lyman, an...explorationin the country,visitedthe mine in 1877. Before 1950 the mine was worked mainly for ore containing | | | Journal (article/letter/editorial) | Environmentsof Formation of Vein-Type Depositsin Japan NAOTATSU ā¢HIKAZONO Abstract Electron probe microanalysis...deposits of Au-Ag type (Ohmori mine) and Pb-Zn type (Toyoha mine) in Japan reveal a remarkable contrast...specimensfrom the epithermal Au-Ag Ohmori mine and Pb-Zn Toyoha mine. Giving specialattention to the zinc...deposits. Other primary minerals are argentire, electrum, rhodochrosite, barite, hematite, magnetite, quartz...OhmoriepithermalA u-Ag vein-typedeposits The Ohmori mine has already been closed. Only Kuhara's (1926) report | | | 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 | | | 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) | 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 | | | 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 | | Lemos, Mariana, Valente, Teresa, Reis, Paula Marinho, Fonseca, Rita, Delbem, Itamar, Ventura, Juliana, MagalhĆ£es, Marcus (2020) Mineralogical and Geochemical Characterization of Gold Mining Tailings and Their Potential to Generate Acid Mine Drainage (Minas Gerais, Brazil) Minerals, 11 (1) 39 doi:10.3390/min11010039 | Journal (article/letter/editorial) | Mining Tailings and Their Potential to Generate Acid Mine Drainage (Minas Gerais, Brazil) Mariana Lemos 1...Mining Tailings and Their Potential to Generate Acid Mine Drainage (Minas Gerais, Brazil). Minerals 2021,...from an ongoing plant, were studied for their acid mine drainage potential and elementsā mobility. Detailed...the sulfide wastes do not tend to generate acid mine drainage, leaching tests indicate the possibility...mineralogy; tailings; mobility of toxic elements; acid mine drainage; Minas GeraisāBrazil Copyright: Ā© 2020 | | | Journal (article/letter/editorial) | concentrated in the zinc-rich marginsof the Corbet mine (KnuckeyandWatkins,1982) but is concentratedin the...the copper-richcore of the neighboringMillenbach mine (Knuckeyet al., 1982). Gold distributionin massivesulfidesmay...exceptionallyrich 7). The goldin Kurokodepositsis foundin electrum in orescontainingthe highestaverage in As, Sb...collected during is usuallypresentas the native metal, electrum,tel- Pluto Leg 6 (1982: P. Lonsdale,chief scientist)... K., 1975, Geochemistryof ore depositionat the Yatani Bischoff,J. L., Rosenbauer, R. J., Aruscavage, | | | Report (issue) | Center, Rm. 1C402,12201 Sunrise Valley Dr. SALT LAKE CITY, Utah-Federal Bldg., Rm. 8105,125 South State St...gold-producing mines F8 Mammoth mine F8 Eureka Standard mine F9 North Lily mine F9 Trixie mine F9 Summary F10 References...two-thirds of the Tintic mining district showing mine locations and names, vertical projection of known...Diagrammatic west-east cross section at the London mine depicting ore bodies before post-mineral faulting...F44 F20. N. 63Ā° E. cross section through Tucson mine F46 F21. Sulfur-isotope analyses of pyrite, sphalerite | | | Report (volume) | Center, Rm. 1C402, 12201 Sunrise Valley Dr. SALT LAKE CITY, Utah--Federal Bldg., Rm. 8105,125 South State St...and Yukio Togashi of the Geological Survey of Japan. Among the many geologists from private industry...based on considerations that extend far beyond the mine itself, in some instances relating to the overall...subject, as in a scale model of the workings of a mine, to a unifying concept that explains or describes...government believed might someday be economic ta mine. Stratiform deposits of large areal extent, such | | | Book (volume) | .......... ......... ...... ..Tatsuo Tatsun1i, Japan Australia .......... ........ .... ...............Neogene Vein-Type and Kuroko Mineralizations of Japan ...... ..... ... ..... .... ......... .... .. ....Characteristics of Granitoids and Related Mineral Deposits of Japan .. ..... . .. ....... ................... .... ...Example from the Iwami Mining District, Shimane, Japan ..... ............... .......... ......... ... ... B., Epithern1al Au-Ag Mineralization, Maratoto Mine, New Zealand: Stable Isotopes and Fluid Inclusions |
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