 | | Journal (article/letter/editorial) | | Partition of Cadmium and Manganese between Coexisting Sphalerite and Galena from some Japanese Epithermal Deposits...Deposits T. Urabe University-ofTokyo, Japan Sphalerites from Japanese epithermal Pb-Zn vein-type deposits...deposits, namely, Yatani, Oizumi and Hosokura, contain 2900-3400 ppm cadmium and 760-2100 ppm manganese. And...from the partition of cadmium between coexisting sphalerite and galena, are eonsistent within a total range...observed at the Shoko-hi vein, Hosokura mine and Hompi vein, Yatani mine. In several samples, the temperatures |  | | Journal (article/letter/editorial) | | Numerical Studies of the Hoso‐ kura Deposit, Northern Japan Hiroshi Takahashi, Shohei Albert Tomita, Katsuaki...Geological and Numerical Studies of the Hosokura Deposit, Northern Japan, Ore Geology Reviews (2020), doi:...Geological and Numerical Studies of the Hosokura Deposit, Northern Japan A Cold-Water Trap as an Essential...Geological and Numerical Studies of the Hosokura Deposit, Northern Japan 1. Introduction Epithermal deposits...study. We selected the Hosokura deposit in Miyagi Prefecture, northern Japan (Fig. 1) with accumulated |  | | 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) | | Fluids for the NeogeneVeinsand KurokoDepositsof Japan KEIKO HATTORI AND HITOSHI SAKAI Abstract The... --50 and about --2, respectively,for the Iwami mine, southwestHonshu. These isotopic results, the salinity...(-66)OP MM (-64)MK veins KOS -AR(-62) FK OZ JAPAN SEA A KN(-70) have the same strike and ...affected by terrestrial rather than su•bmarine JAPAN ARC environments. TS(-51) •(-49) S.._.•G (-47)...Arakawa; CH = Chitose; FK = Fukazawa; FUK--Fuke; HOS=Hosokura; IW=Iwami; KIS= Kishu; KK -- Kushikino; KOS -- |  | | Journal (article/letter/editorial) | | 461-478 Mineralization and Paragenesisof the Huanzala Mine, Central Peru HIDEKI IMAI, MASASHI KAWASAKI, MITSUO...SaitamaPrefecture,Japan362 Abstract The Huanzala mine is a zinc and lead mineral deposit found in the...are, from bottom to top, chert (Chimu THE Huanzala mine is situated in central Peru, about Formation), ...north-northwest-trending (Fig. •). pany, Ltd. In 1981, the mine produced900 metric The Huanzala deposit occursin...porphyrywasintrudedinto the Chimu Formationjust to the east of the mine (Fig. 1). The absoluteage of the granodioriteporphyry |  | | Journal (article/letter/editorial) | | low-sulfidation epithermal gold deposit, Northeast Japan arc Teruhiro Suzuki | Shota Satori Graduate School...International Resource Sciences, Akita University, Akita, Japan Correspondence Yasushi Watanabe, Graduate School...Akita 010-8502, Japan. Email: y-watanabe@gipc.akita-u.ac.jp Funding information Japan Society for the...deposits in the Tohoku region of the Northeast Japan arc; however, these deposits have undergone limited...research study of the Bosawa deposit in Akita Prefecture was conducted to support future gold exploration |  | | Journal (article/letter/editorial) | | AIST, Central 7, Higashi 1-1-1, Tsukuba 305-8567, Japan [e-mail: s-ishihara@aist.go.jp] * Department of...739-8526, Japan ** Institute for Geo-resources and Environment, Geological Survey of Japan, AIST Central...Central 7, Higashi 1-1-1, Tsukuba 305-8567, Japan Received on April 9, 2006; accepted on July 29, 2006 Abstract:...but the majority is contained as an impurity in sphalerite, and tin and copper sulfides. Average grades...vary from a few ppm (e.g., Kosaka mine) to more than 300 ppm (Toyoha mine). The amount of indium in all the |  | | Report (issue) | | mineral col lector, was born in Kanazawa, Ishikawa Prefecture, on August 30, 1874. Soon after his graduation...at the Arakawa Mine, Akita Prefecture. In 1909, he was promoted to Director of the Mine and held. the...then that of the Director of the Yoshioka Mine, Okayama Prefecture, for about seven years altogether. He...technology in the first half of this century in Japan. He retired from the Advisory Board of the Mitsu...such volumes as " Beiträge zur Mineralogie von. Japan ", Neue Folge I and II (T. Ito, 1937), " Japanese |  | | Journal (article/letter/editorial) | | Sulfur Isotope Study on Hg and Sb Deposits in Japan Akira IMAI, Naotatsu SHIKAZONO1, Masaaki SHIMIZU*...Hakozaki, Higashi-ku, Fukuoka 812-8581, Fukuoka, Japan [e-mail: imai@mine.kyushu-u.ac.jp] * University...University, Gofuku 3190, Toyama 9308555, Toyama, Japan 1 Present address: Department of Applied Chemistry... Kanagawa, Japan 2 Present address: Tokiwadaira-Nishikubo, Matsudo 270-2266, Chiba, Japan Received on...jamesonite and berthierite from Sb deposits in Japan are examined in order to understand metallogeneses |  | | Journal (article/letter/editorial) | | Science, Tohoku University, Sendai 980, Japan Abstract Heated sphalerite and natural disordered wurtzite from...sulfide minerals crystallize in cubic closepacked (sphalerite) and hexagonal close-packed (wurtzite) forms...phasetransition and crystal imperfection of sphalerite. He heated natural sphalerite at 1000"to 1050'C for I to 5 minuteswith...thermodynamically more stable at low ,4. than sphalerite,wurtzite can form under low temperature hydrothermal...others are completely transformed into ordered sphalerite 3C. Wurtzite from Pribram, Czechoslovakiahas |  | | Journal (article/letter/editorial) | | Petrologyand Economic Geology,Tohohu Un'iwrsity, Senda'i,Japan. Ansrnect The purpose of this study is to investigate...imperfections of sphalerite. Many stacking faults and dislocations were detected by etching. The sphalerite crystals...on (110) cleavage planes and (111) of heated sphalerite. Generally, slip lines were not afiected by the...close-spaced stacking faults. The structure of heated sphalerite with many slip lines was studied using X-ray...twin gliding occurred on heating. Thus heated sphalerite prepares itself with twins and stacking faults |  | | Journal (article/letter/editorial) | | from the Ohori Base Metal Deposit, Yamagata Prefecture, NE Japan: Implications for Bi-metallogenesis in the...Environmental Sciences, Yamagata University, Yamagata, Japan Abstract The Ohori deposit, one of the base metal...metal deposits in the Green-Tuff region, NE Japan, is composed of two types of mineralization; a skarn-type...assemblage of the deposit (chalcopyrite, pyrite, sphalerite and galena) has been known for being rather simple...of fluid inclusions, and higher FeS contents in sphalerite compared to the Bi-free ores. In the Green-Tuff |  | | 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) | | (10)barren zone zone(chalcopyrite,tennantite, (sphalerite,galena,rhodochrosite 細 倉 一 鬼 首 鉱 化 帯 で も(1)緑... Narita E.(1961), Mine, Wall Miyagi Ser. IV, rock alteration Prefecture, in north‑east the...the Kanoko Japan, Jour. vein swarm, Fac.Sci., Hosokura Hokkaido Univ., XI,59〜75. 成 田英 吉 ・秋...Honshu, and ore Japan. deposits Jour, of the Fac. Sci., Onikobe‑Hosokura Hokkaido district, |  | | Journal (article/letter/editorial) | | VOL. 50, JULY_AUGUST' SURFACE STRUCTURES OF SPHALERITE 1965 CRYSTALS Hrnosnr Kolr-q.tsur exp Icntno...of Bunkyo-ku, Tokyo, Japan and' Geologi,cal Japan, Hisamoto-cho135, Kozaasahi,Japan ABSTRACT surface structures...structures of the (111), (TIT) and (100) faces of sphalerite crystals from many localitieslvere studied in...observation and measurement' The surface structures of sphalerite crystals were studied previously 1 Present address:...College, Englefield Green, Surrey, England 1046 SPHALERITE SURFACES t017 using modern methodsby Votava |  | | Journal (article/letter/editorial) | | complete transformation of 2H wurtzite to ideal 3C sphalerite appears to involve two distinct steps,a continuous...contrast, solidstate transformation in ideal 3C sphalerite is essentially limited to the formation of deformation...(1981) on Pribram, zone I ZnS (Fleet, 1977b)and Hosokura mine sphaleritetend to support these conclusions:the...and Hosokura mine sphaleriteappearsto be in the same structural state as Thomaston Dam sphalerite. However...occurrenceof deformation twins in sphalerite (as in the Austinville sphalerite) shows that crystal slip occurs |  | | 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) | | エ ン鉱 の 色 に つ い て Colour of Sphalerite from the Hosokura Miyagi Prefecture 戸 苅 賢 二(Kenji ま 第1報 (Part...た結 論 に も とす き,セ 結 果 を こゝ に 報 告 す る。 この 報 告 で,と Mine, II) き ン アエ ン鉱 の 色 に つ いて 実 験 した りあつ か った 問 題 |  | 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...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...Engineering, Hokkaido University, Sapporo 060-8628, Japan; tomiyama@mmc.co.jp (S.T.); tosifumi@eng.hokudai...Saitama-shi, Saitama 336-0015, Japan; ebato-masanori@oyonet.oyo.co.jp Japan Oil, Gas and Metals National |  | | Journal (article/letter/editorial) | | the so-calledGreen Tuff basins of Tertiary age in Japan. They are the youngest,least modifiedexamplesknown...personalcommunicathe broad contextof metallogenicepochsin Japan. tions. We alsodiscuss the genesisof the felsicrocks...Takeuchi (1970). Grade of crude ore (%) Name of mine Kosaka l Hanaoka t Year of Size of ore de- ...in 1972 (per month) Crude ore -- 45,000 tons mine• 25 million tons Acid leached Cu = 70 tons 1.2...1972, Kuroko depositssuppliedapproximately Each mine consistsof a number of closely clusand 45 percent | | | Journal (article/letter/editorial) | | 細倉鉱山産閃亜鉛鉱の電子顕微鏡に よる研究 Study of sphalerite from electron Hosokura mine by microscope •HŒŽ•••F(Mizuhiko...parallel it is intergrowth as not the sphalerite generally wurtzite show of known that and...fibrous therefore, sphalerite under axis. cleavage observed this X-ray sphalerite observed to •m111]...•m111] the grow sphalerite. be parallel to were that however, may to mine axis. wurtzite ...patterns growth fibrous Hosokura angles twins, developed grow (%) sphalerite at indicates and pattern |  | | 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 Au–Ag 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 Au–Ag mineralization...Introduction The Izu Peninsula, central Honshu, Japan is well known for its epithermal Au–Ag vein deposits |  | Tharalson, Erik, Monecke, Thomas, Reynolds, T., Zeeck, Lauren, Pfaff, Katharina, Kelly, Nigel (2019) The Distribution of Precious Metals in High-Grade Banded Quartz Veins from Low-Sulfidation Epithermal Deposits: Constraints from µXRF Mapping. Minerals, 9 (12) 740 doi:10.3390/min9120740 | Journal (article/letter/editorial) | | the epithermal ore of the Sado Kinzan deposit in Japan. Ginguro bands have been described from many other...2 of 23 in Japan [15]; Ivanhoe in Nevada [14]; Koryu in Japan [7,12]; Kushikino in Japan [5]; and Midas...at the high-grade Hishikari deposit of Kyushu in Japan [6,8,10,16,17]. At all of these deposits, ginguro...of Hokkaido in Japan, the Midas deposit in Nevada, and the Sado Kinzan deposit in Japan. The Hokuryu deposit...deposit in the Omu mining camp of Hokkaido in Japan represents a small low-sulfidation epithermal deposit |  | | Journal (article/letter/editorial) | | fractionation of Mn and Cd between coexisting sphalerite and galena from some carbonate-hosted sulfide...fractionation of Mn and Cd between coexisting sphalerite and galena from concordantly banded, strata-bound...ores of Bandalamottu suggest equilibrium in the sphalerite-galena aggregates of this deposit was not attained...consequent heterogeneity in Mn concentration in sphalerite, thus affecting the distribution coefficient...fr~ctionation of Mn and Cd between coexisting sphalerite and galena have been previously used for geothermometry |  | | Journal (article/letter/editorial) | | materials science.Luzonite crystallizes in a sphalerite- L6vy 1961; Kanazawa 1984). Polysynthetic twinning...(marked We studied samples from the Lah6ca Hill mine at X), and in half of them As and Cu atoms alternate...reflection twin boundaries could also occur in sphalerite-and wurtzite-type structures.Experimental evidence...a vast body of literature on HRTEM imaging of sphalerite-and wurtzite-type semiconductors(Glaisher et...sequences (Akizuki 1981); on the other hand, sphalerite polysynthetic twins are characteristicof the |
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