 | | 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) | | Epithermal Deposits T. Urabe University-ofTokyo, Japan Sphalerites from Japanese epithermal Pb-Zn vein-type...vein-type deposits, namely, Yatani, Oizumi and Hosokura, contain 2900-3400 ppm cadmium and 760-2100 ppm...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 50°C per kilometer....temperature difference from top to bottom of the Butte mine, America, may be less than 25-30°C (Meyer and Hemley |  | | Journal (article/letter/editorial) | | University, Sendai 980, Japan Abstract Heated sphalerite and natural disordered wurtzite from Pribram, Czechoslovakiahave...heatedsphaleriteor natural wurtzite. The original sphaleriteand wurtzite were deformedby local thermal...closepacked (sphalerite) and hexagonal close-packed (wurtzite) forms, and their mixtures (polytypes).Hill (1958)suggestedthat...thermodynamically more stable at low ,4. than sphalerite,wurtzite can form under low temperature hydrothermal conditions...completely transformed into ordered sphalerite 3C. Wurtzite from Pribram, Czechoslovakiahas an extremelyhigh |  | | Journal (article/letter/editorial) | | Petrologyand Economic Geology,Tohohu Un'iwrsity, Senda'i,Japan. Ansrnect The purpose of this study is to investigate...hexagonal close-packed(wurtzite), and their mixture (polytypes). It is well known that wurtzite changes to disordered...disordered wurtzite through geologic times (Jagodzinski, 1949), and is finally transformed into polysynthetically...writer found that fibrous sphalerite from the Hosokura mine, Japan has hexagonal growth patterns on (111),...and Mardix et al'. (1968) discussed needle-like wurtzite, grown by the vapor-phase method' that transformed |  | | Journal (article/letter/editorial) | | assemblages;(1) complete transformation of 2H wurtzite to ideal 3C sphalerite appears to involve two...(1981) on Pribram, zone I ZnS (Fleet, 1977b)and Hosokura mine sphaleritetend to support these conclusions:the...only of disordered 2H and 3C sequences,and Hosokura mine sphaleriteappearsto be in the same structural...(layer transposition) I had proposed for disordered wurtzite. Stacking disorder (stackingfaults) in layered...deformation faults are readily promoted in 2H wurtzite. Also the frequent occurrenceof deformation twins |  | | 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) | | 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:...vary from a few ppm (e.g., Kosaka mine) to more than 300 ppm (Toyoha mine). The amount of indium in all the...types. The largest one is Toyoha mine (4,700 tons In) and the Ashio mine (ca. 1,200 tons In) was found to |  | | 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 |  | | 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) | | よる研究 Study of sphalerite from electron Hosokura mine by microscope •HŒŽ•••F(Mizuhiko Abstract:...intergrowth as not the sphalerite generally wurtzite show of known that and diffraction those...however, may to mine axis. wurtzite as is patterns growth fibrous Hosokura angles twins, developed...was The occur diffraction in wurtzite of mine trigonal wurtzite axis twins crystals. fine-twinned...fine-twinned fibrous * microscope. an and Hosokura fibrous that occurrence observed of electron |  | | Journal (article/letter/editorial) | | close-packed(ccp) structure,whereasenargite has a wurtzite-type, hexagonal close-packed(hcp) struc- 1957;L6vy...(marked We studied samples from the Lah6ca Hill mine at X), and in half of them As and Cu atoms alternate...boundaries could also occur in sphalerite-and wurtzite-type structures.Experimental evidence for the...literature on HRTEM imaging of sphalerite-and wurtzite-type semiconductors(Glaisher et al. 1989a,1989b...densities and distributions. The structure of Pribram wurtzite consists of heavily disordered 2H and 3C sequences |  | | Journal (article/letter/editorial) | | Gold Galena Sphalerite II m m m I m m m m Wurtzite u Tetrahedrite Anglesite m m Barite u m...(Tarkian and Breskovska, 1989). Sphalerite and Wurtzite Sphalerite is the second major mineral in the...aggregated sphalerite previously identified as wurtzite (Radonova, 1960). Electron microscopic and X-Ray...X-Ray investigations over samples with wurtzite-like morphology show in most cases sphalerite structure...twinning. Another reason may be the growth of wurtzite crystals later partially transformed into sphalerite |  | | Journal (article/letter/editorial) | | distribution between cadmium concentration in sphalerite/wurtzite and that in coexisting galena has been well studied...with Zinc Deposits Mineral Cd (ppm) Sphalerite/wurtzite 15-50,000 Smithsonite 80-45,500 Boulangerite...α-ZnS endmember (sphalerite), hexagonal β-ZnS (wurtzite) and hexag onal β-CdS (greenockite). The rare...from cubic (sphalerite lattice) to hexagonal (wurtzite lattice) with increasing cadmium content according...greenockite are used. Substituting sphalerite by wurtzite would not change the results significantly. In |  | | 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 |  | | Book (volume) | | ninelings of cassiterite from Naegi, Gifu Prefecture. Journ. Min. Soc. Japan, vol. 3, p. 228. Michel-L6vy, A....Okita, Daitd town, Higashiiwai Co., Iwate Pref., Japan (Hasegawa, 1955). Anal. S. Hasegawa (Includes H20+...FeTi03~Fe203 solid solution series. Journ. Phys. Soc. Japan, vol. 12, p. 834. MacChesney, J. B. and Muan, A...Teragi, Iwaizumi town, Simohoi Co., Iwate Pref., Japan (Omori & Hasegawa, 6 1956). Anal. S. Hasegawa...FeTi03-Fe203 solid solution series. Journ. Phys. Soc. Japan, vol. 12, p. 834. Karkhanavala, M. D., 1959. The |  | | Book | | Naotatsu Shikazono (deceased) Keio University Tokyo, Japan Dr. James Wilkinson, colleague and longtime friend...arranged with University of Tokyo Press through Japan UNI Agency, Inc., Tokyo ISBN 978-4-431-54903-1 ISBN...Congress Control Number: 2014936099 © Springer Japan 2015 This work is subject to copyright. All rights...engineering and/or mining geology and should be read by mine managers and directors and concerned politicians...of Tokyo Press and Mr. Ken Kimlicka of Springer Japan edited with care the manuscripts for the Japanese |  | | Report (issue) | | prospecting by natural water in Kidogasawa Mine, Tochigi Prefecture J. Geol. Soc. Jpn., v. 57, p. 331 (1951)...components in the clay from the Seto District, Japan J. Chem. Soc. Jpn., Pure Chem. Sect., v. 73, p....studies on the natural water in the Hitachi copper mine district J. Chem. Soc. Jpn., v. 71, p. 464-466 (Engineer...Morinaga, K. (1951) Geochemical prospecting in the Hosokura Mine J. Chem. Soc. Jpn., v. 72, p. 398 (Engineer...Morinaga, K. (1952) Minor elements in sphalerites from Japan Bull. Nagoya Inst. Technol., v. 4, p. 228-231 (Engineer |  | | Book | | and Fiji. Cyprus, Ceylon, the Philippines, and Japan are included with Asia. In South Africa, the deposits...by prov inces, in Australia by states, and in Japan by islands. In India, the states in which the deposits...Africa Burma Ceylon Cyprus India Indonesia Iran Japan Korea Malaya Philippines... Turkey 2 1 1 4 1 1...(all publications) Geological Survey of Japan (Geol. Surv. Japan) (all publications) Geological Survey...Mining Geologists of Japan (lAGOD Volume, IMA-IAGOD Meetings '70, Soc. Min. Geol. Japan) Institution of Mining |  | | Book | | sills), if they are exposed in outcrop or in the mine workings at all. The Climax Mo complex is the best...primitive island arcs, e.g. in the Izu Peninsula, Japan and elsewhere; compare Chapters 7, 10 and 12. Alkaline...known (e.g. the Montana Tunnels deposit, Obelisk Mine). The former locality contains disseminated pyrite...volcanic-intrusive centre. It is located 110 km W.N.W. of the city of Balkhash, in the Tasaral-Kyzyl Espeh Anticlinorium...largest Soviet "porphyry" located 17 km from Balkhash (city). It cropped-out in a low hill of heavily silicified |  | | Book | | sills), if they are exposed in outcrop or in the mine workings at all. The Climax Mo complex is the best...primitive island arcs, e.g. in the Izu Peninsula, Japan and elsewhere; compare Chapters 7, 10 and 12. Alkaline...known (e.g. the Montana Tunnels deposit, Obelisk Mine). The former locality contains disseminated pyrite...volcanic-intrusive centre. It is located 110 km W.N.W. of the city of Balkhash, in the Tasaral-Kyzyl Espeh Anticlinorium...largest Soviet "porphyry" located 17 km from Balkhash (city). It cropped-out in a low hill of heavily silicified |
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Hosokura mine, Kurihara City, Miyagi Prefecture, Japan