 | Cairncross, Bruce, Windisch, Wolfgang, Smit, Henk, Fraser, Allan, Gutzmer, Jens (2008) The Vergenoeg: Gauteng Province, South Africa Fluorite Mine. Rocks & Minerals, 83 (5) 410-421 doi:10.3200/rmin.83.5.410-421 | Journal (article/letter/editorial) |
| RG E N O E G GAUTENG PROVINCE, SOUTH AFRICA T FLUORITE MINE he Vergenoeg fluorite mine is located in...the Gauteng Province of South Africa, approximately 80 kilometers northeast of Pretoria. The mine is somewhat...somewhat of an anomaly regarding the production of fluorite mineral specimensāit is located on the largest...virtually devoid of large, aesthetic fluorite crystals. Even so, there is an interesting array of other secondary...addition, the mine has produced spectacular botryoidal and stalactitic goethite and a variety of micromount-sized |
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| Photographs January/February: Chalcopyrite on quartz, La Mine de Giraud, La Gardette, Bourg dāOisan, IsĆØre, France...albite, variety cleavelandite, 49er Pocket, Oceanview mine, Pala district, San Diego County, California. Bill...Scovil photo. September/October: Gold, Mockingbird mine, Mariposa County, California. Collectorās Edge Minerals...Analcime, Connecticut, 159 Anastasenko, G. F., Diamonds of Russia, 508ā17 Anatase, Cochabamba, Bolivia, 119;...and Mineral Museumā Home of the Somerville Collection, Barthurst, New South Wales, M. Rheinberger, E |
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| Published by Struik Nature (an imprint of Penguin Random House South Africa (Pty) Ltd) Reg. No. 1953/000441/07...(Oxbow Crescent), Century City, 7441 PO Box 1144, Cape Town, 8000 South Africa Visit www.randomstruik.co...published edition, 2015: Penguin Random House South Africa (Pty) Ltd Publisher: Pippa Parker Managing editor:...(M) Sdn Bhd, Malaysia All rights reserved. No part of this publication may be reproduced, stored in a retrieval...or otherwise, without the prior written permission of the copyright owner(s). ISBN: 978 1 43170 084 4 e-Pub: |
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| ~o~.iSP:~.,~r of'Atrica Fluorspar Resources of Africa By RALPH E. VAN ALSTINE and PAUL G. SCHRUBEN ...OFFICE. WASHINGTON 1980 UNITED STATES DEPARTMENT OF THE INTERIOR CECIL D. ANDRUS, Secretary GEOLOGICAL...GEOLOGICAL SURVEY H. William Menard Dit-ector Library of Congress Cataloging in Publication Data Van Alstine...resources of Africa. (Geological Survey bulletin ; 1487) Bibliography: p. 1. Fluorspar-Africa. I. Schruben...[5-53' 95] 79-20343 For sale by Superintendent of Documents, U.S. Government Printing Office Washington |
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| minerals Article Involvement of Evaporite Layers in the Formation of Iron Oxide-Apatite Ore Deposits:...Duan, C.; Fan, C. Involvement of Evaporite Layers in the Formation of Iron Oxide-Apatite Ore Deposits:...Ministry of Natural Resources Key Laboratory of Metallogeny and Mineral Assessment, Institute of Mineral...Resources, Chinese Academy of Geological Sciences, Beijing 100037, China School of Earth and Space Sciences...are important sources of iron. The role of evaporite layers in the formation of IOA ore deposits remains |
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| Mineral Systems Franco Pirajno Geological Survey of Western Australia, Perth, WA, Australia Foreword...13 Geological Survey of Western Australia Franco Pirajno Geological Survey of Western Australia 100...Library of Congress Control Number: 2008933283 # Springer ScienceĆ¾Business Media B.V. 2009 No part of this...Publisher, with the exception of any material supplied specifically for the purpose of being entered and executed...computer system, for exclusive use by the purchaser of the work. Cover illustration: Fig. 3.1 in this book |
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| caldera. The lower Cacaria,the LeonaMember,consists of extensiverhyoliteflow domes,flows,and volcanoelastic...its base. The Mercado Iron Member of the Cacaria Formation consists of seven facies variations. The Cerro...andcapthe system.A satellitedepositat PefiaMoradaconsists of three facies:(5) a brecciafacies--dense,fine-grainedhematiteat...powderyhematitefacies(7) alsoformsan extensiveblanket of laminated,hematitepowderreferredto asthe peripheraldeposits...tthat the iron depositsformed as a result of a variety of subaerialvolcanicprocesses. The maindepositat |
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| STA'"J~ES DEPARTMENT OF THE INrr~~Rl()R ā¢ IJ Rlā:1\ lJ lT () Iā~ l\11 N lā:s AFRICA *Algiers Tunis...Windhoek* Gaborone * Pretoria * Mbabane REPUBLIC OF SOUTH AFRIC1' \ Maputo * LESOTHO MAURITIUS (J Port...YEARBOOK MINERAL INDUSTRIES OF r, AFRICA U.S. DEPARTMENT OF THE INTERIOR BUREAU OF MINES 1993 ~i1!'f't... UNITED STATES DEPARTMENT OF THE INTERIORā¢ Bruce Babbitt, Secretary BUREAU OF MINES As the Nation's principal...conservation agency, the Department of the Interior has responsibility for most of our nationally owned public |
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| MINERALS Red Lead Mine: J. Halpern specimen. J. Scovil photo. In this issue also: a new chapter J...INTRODUCTION In this issue we start a new series of articles presenting mineral photographers showing...best, most famous photos and presenting the style of their work. ... Read on page 16 Collectors interview:...well known South African collector Bruce Cairncross. Bruce is a professor of Geology and Head of the Department...Department of Geology at the University of Johannesburg. ... Read on page 19 Journal presentations: Rock |
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| REPUBLIC OF NAMIBIA - MINISTRY OF MINES AND ENERGY GEOLOGICAL SURVEY THE MINERAL RESOURCES OF NAMIBIA... MESSAGE FROM THE HONOURABLE MINISTER OF MINES AND ENERGY Of the several hundred minerals present in...exploited. some, such as copper, since the early part of the 19th century. Whereas uranium and diamonds continue...major role in the mining sector, significant deposits of base metals and industrial minerals have helped Namibia...amongst the top five mining countries in Africa. both in terms of production and reserves. In this context |
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| Geology and Metallogeny of Archean and Proterozoic Basement Terranes in the Northern Midcontinent, U...Minnesota Geological Survey Geology and Metallogeny of Archean and Proterozoic Basement Terranes in the...Survey and Minnesota Geological Survey A description of major known and potential mineral resources U.S...1815 CONTRIBUTION TO THE GEOLOGY OF THE MIDCONTINENT REGION DEPARTMENT OF THE INTERIOR DONALD PAUL HODEL...Federal Center Box 25425 Denver, CO 80225 Library of Congress Cataloging-in-Publication Data Sims, P. |
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| 40 1.25 ā_ā 1.12 ā 8 10 ā ā_ 12 14 _ ā Courtesy of F&S Group Geology and World Deposits TAO 6.30 5...substantially revised and updated from its forerunner Geology of the Nonmetallics by Peter W Harben and Robert L...Bulletin Inc., 1984. All rights reserved. The contents of this book either in whole or in part may not be reproduced...permission of Peter W Harben and/or Robert L Bates. Reasonable extracts may be made for the purpose of comment...Lithium minerals 246 252 Sodium carbonate 120 Gypsum Iron oxide Sillimanite minerals 153 161 295 |
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| U.S. Department of the Interior U.S. Geological Survey MINERAL COMMODITY SUMMARIES 2000 Abrasives Aluminum...Gallium Garnet Gemstones Germanium Gold Graphite Gypsum Hafnium Helium Indium Iodine Iron Ore Iron and...Yttrium Zinc Zirconium CONTENTS Page Page The Role of Nonfuel Minerals in the U.S. Economy . . . 3 1999...Issues . . . . . . . . . . . . 5 Appendix AāUnits of Measure . . . . . . . . . . . . . . . . 194 Appendix.... . . . . . . . . . . . . . . . . . . . . . 76 Gypsum . . . . . . . . . . . . . . . . . . . . . . . |
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| Bouchez translated and updated with the participation of Peter Bowden 1 1 Great Clarendon Street, Oxford...is a department of the University of Oxford. It furthers the Universityās objective of excellence in research...publishing worldwide. Oxford is a registered trade mark of Oxford University Press in the UK and in certain...moral rights of the authors have been asserted Impression: 1 All rights reserved. No part of this publication...any means, without the prior permission in writing of Oxford University Press, or as expressly permitted |
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| DVERNMENT l N AU U a .-. A 1 SURVEY OF WESTERN DEPARTMENT OF MINERALS AND ENERGY GEOLOGICAL SURVEY...GENERAL L. C. Ranford DIRECTOR, GEOLOGICAL SURVEY OF WESTERN AUSTRALIA Pietro Guj Copy editor: A. S....Mineral Resources Bulletin 17, 97p. National Library of Australia Card Number and ISBN 0 7309 6539 2 Abeysinghe...Survey of Western Australia. 111. Title. (Series: Mineral resources bulletin (Geological Survey of Western...availablefrom: Mining Information Centre Department of Mineralsand Energy 100 Plain Street EAST PERTH, WESTERN |
 | | Journal (article/letter/editorial) |
| s c i r ev The āchessboardā classiļ¬cation scheme of mineral deposits: Mineralogy and geology from aluminum...aluminum to zirconium Harald G. Dill Institute of Geosciences, Gem-Materials Research and Economic Geology...t r a c t Economic geology is a mixtum compositum of all geoscientiļ¬c disciplines focused on one goal...depsosits and enhancing their exploitation. The keystones of this mixtum compositum are geology and mineralogy...centered around the emplacement of the ore body and the development of its minerals and rocks. In the |
| | Journal (article/letter/editorial) |
| s c i r ev The āchessboardā classiļ¬cation scheme of mineral deposits: Mineralogy and geology from aluminum...aluminum to zirconium Harald G. Dill Institute of Geosciences, Gem-Materials Research and Economic Geology...t r a c t Economic geology is a mixtum compositum of all geoscientiļ¬c disciplines focused on one goal...depsosits and enhancing their exploitation. The keystones of this mixtum compositum are geology and mineralogy...centered around the emplacement of the ore body and the development of its minerals and rocks. In the |
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| SPRINGER-SCIENCE+BUSINESS MEDIA, B.V. Library of Congress Cataloging-in-Publication Data ISBN 978-90-481-4026-8...modified version of that shown in Figure 5.7B in the text and represents a computer simulation of mantie processes;...hot mantie material rises and uplifts the surface of the planet. The rising hot mantie simulates a mantie...Institute, Houston, USA) and Louise Kellogg (University of California, Davis, USA) for the planet Mars, but...activities on Earth, resulting in anomalous concentrations of these elements in the crust where they form ore deposits |
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| ~.,..,, ā¢ā¢ ,-:' :Ā·.ā¢. ā¢.:~ :';::{~ft:tĀ· Table of Contents Preface Introduction The Early Days- The...EarlyGermanGeologistsand Entrepreneursin South West Africa The People- Mineralogists,Geologistsand Collectors...s Area West and South of Rehoboth The Central and South-CentralDeposits Onganja Mine and Surrounding...Surrounding Copper Deposits The South The Pegmatitesin Central Namibia Luderitz and the Diamonds 44 49 241 254...275 291 333 345 365 370 383 401 423 Encyclopedia of the Mineralsof Namibia 443 Meteorites in Namibia |
 | Kogel, Jessica Elzea, Trivedi, Nikhil C., Barker, James M., Krukowski, Stanley T. - Eds. (2006) Industrial Minerals and Rocks (7th ed.) Society for Mining, Metallurgy, and Exploration, Inc., Littleton, CO. | Book (edition) |
| All Rights Reserved. Printed in the United States of America. Information contained in this work has been...its authors guarantee the accuracy or completeness of any information published herein, and neither SME...any errors, omissions, or damages arising out of use of this information. This work is published with...required, the assistance of an appropriate professional should be sought. No part of this publication may...written permission of the publisher. Any statement or views presented here are those of the author and are |
 | Nikolenko, Anna M., Doroshkevich, Anna G., Ponomarchuk, Anton V., Redina, Anna A., Prokopyev, Ilya R., Vladykin, Nikolay V., Nikolaeva, Irina V. (2020) Ar-Ar geochronology and petrogenesis of the MushgaiāKhudag alkalineācarbonatite complex (southern Mongolia). Lithos, 372. 105675pp. doi:10.1016/j.lithos.2020.105675 | Journal (article/letter/editorial) |
| Journal Pre-proof Ar-Ar geochronology and petrogenesis of the MushgaiāKhudag alkaline-carbonatite complex (southern...Ponomarchuk, et al., Ar-Ar geochronology and petrogenesis of the MushgaiāKhudag alkaline-carbonatite complex (southern...PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover...readability, but it is not yet the definitive version of record. This version will undergo additional copyediting...are providing this version to give early visibility of the article. Please note that, during the production |
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| Critical Mineral Resources of the United Statesā Economic and Environmental Geology and Prospects for...1802 U.S. Department of the Interior U.S. Geological Survey Periodic Table of Elements 1A 8A 1 2...permanent magnets composed of neodymium-iron-boron. Photograph courtesy of Iberdrola Renewables, Inc....and mechanical components made of beryllium alloys. Photograph courtesy of the U.S. Air Force. Flat-panel...2-megawatt ground-mounted array occupies the site of a former landfill at Fort Carson, Colorado. Tellurium |
 | Brown, T. J., Hetherington, L. E., Hannis, S. D., Bide, T., Benham, A. J., Idoine, N. E., Lusty, P. A. J. (2009) 2003-2007. World Mineral Production. British Geological Survey | Report (issue) |
| be reproduced in any form without the permission of the Director. British Geological Survey. Bibliographical...Cover photograph: Zinc ingots produced at Skorpion Mine in southen1 Nanubia. Skorpion began producing zinc...reliable, comprehensive and continuous set of data covering most of the minerals that enter inten1alional...trends and industry events in 2008. The oqjective of this series remains to present the latest complete...minerals and metals: for example, world production of refined copper increased by 21.5 per cent compared |
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| Stephen Kesler Department of Earth and Environmental Sciences University of Michigan Ann Arbor, MI USA...1007/978-3-319-17232-3 ISBN 978-3-319-17232-3 (eBook) Library of Congress Control Number: 2015942215 Springer Cham...part of the material is concerned, speciļ¬cally the rights of translation, reprinting, reuse of illustrations...methodology now known or hereafter developed. The use of general descriptive names, registered names, trademarks...this publication does not imply, even in the absence of a speciļ¬c statement, that such names are exempt from |
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| 29 se wWi> ey oc =u if OF THE REPUBLIC ee tiecann UES COVER: TAPESTRIES. DEPICTING DIAMOND IRON...BY JO AND ERNEST ULLMANN DISPLAYED IN THE āMUSEUM OF THE GEOLOGICAL SURVEY, PRETORIA. b) VANAF 1/4/1980...DEPARTMENT OF OF SOUTH AFRICA MINES GEOLOGICAL SURVEY MINERAL RESOURCES OF REPUBLIC OF THE SOUTH...SOUTH AFRICA FIFTH EDITION HANDBOOK 7 Edited by C. B. Coetzee, M.Sc., Ph.D. COPYRIGHT RESERVED 1976...verkrygbaar in Afrikaans i 40509-1 Street, DEPARTMENT OF MINES Secretary W. P. Viljoen, B.A. GEOLOGICAL |
