 | | Journal (article/letter/editorial) | | Photographs January/February: Chalcopyrite on quartz, La Mine de Giraud, La Gardette, Bourg dâOisan, IsĂšre, 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. Collectorâs Edge Minerals...Analcime, Connecticut, 159 Anastasenko, G. F., Diamonds of Russia, 508â17 Anatase, Cochabamba, Bolivia, 119;...and Mineral Museumâ Home of the Somerville Collection, Barthurst, New South Wales, M. Rheinberger, E |  | 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 specimensâit 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 |  | | Journal (article/letter/editorial) | | granites of the Bushveld Complex Judith A. Kinnaird Economic Geology Research Institute, School of Geosciences...Geosciences University of the Witwatersrand, Private Bag 3, Wits 2050 South Africa email: kinnairdj@geosciences...School of Geosciences University of the Witwatersrand, Private Bag 3, Wits 2050 South Africa email: krugerj@geosciences...School of Geosciences University of the Witwatersrand, Private Bag 3, Wits 2050 South Africa cawthorng@geosciences...2004 Geological Society of South Africa ABSTRACT The Lebowa Granite Suite of the Bushveld Complex is |  | Graupner, Torsten, MĂŒhlbach, Caroline, Schwarz-Schampera, Ulrich, Henjes-Kunst, Friedhelm, Melcher, Frank, Terblanche, Hennie (2015) Mineralogy of high-field-strength elements (Y, Nb, REE) in the world-class Vergenoeg fluorite deposit, South Africa. Ore Geology Reviews, 64. 583-601 doi:10.1016/j.oregeorev.2014.02.012 | Journal (article/letter/editorial) | | OREGEO-01179; No of Pages 19 Ore Geology Reviews xxx (2014) xxxâxxx Contents lists available at ScienceDirect...com/locate/oregeorev Mineralogy of high-ïŹeld-strength elements (Y, Nb, REE) in the world-class Vergenoeg ïŹuorite deposit...deposit, South Africa Torsten Graupner a,â, Caroline MĂŒhlbach b, Ulrich Schwarz-Schampera a, Friedhelm Henjes-Kunst...D-30171 Hannover, Germany Vergenoeg Mining Company (PTY) LTD., South Africa d Chair of Geology and Economic...Economic Geology, University of Leoben, Peter-TunnerstraĂe 5, 8700 Leoben, Austria b c a r t i c l e i n f |  | | Journal (article/letter/editorial) | | Media Reviews Downloaded by [University of Connecticut] at 19:34 11 October 2014 New Minerals from...update of the authorâs original 1998 work on the Minerals First Discovered on the Territory of the Former...geography of the type locality and the history of discovery, origin of the name, location of type material...and explanation of abbreviations. The next 45 pages contain the alphabetical listing of minerals and their...educational. Of particular interest is an in-depth discussion of wiluite, the boron-dominant analogue of vesuvianite |  | | Report (issue) | | Fluorine Chapter G of Critical Mineral Resources of the United StatesâEconomic and Environmental Geology...1802âG U.S. Department of the Interior U.S. Geological Survey Periodic Table of Elements 1A 8A 1 2...(Minerva) Mine, Cave-in-Rock subdistrict, Illinois-Kentucky fluorspar district, showing the sequence of mineral...solely for its fluorine content. Photograph courtesy of the Mineralogical and Geological Museum at Harvard...MGMH 124614 © Copyright 2012, President and Fellows of Harvard College. All rights reserved. Fluorine |  | | Journal (article/letter/editorial) | | KESLEB, * RUDOLF H. BOER,** Department of Geology, University of theWitwatersrand, P.O.WITS,Johannesburg...Department of Geological Sciences, University of Michigan, AnnArbor,Michigan 48109 Abstract Vergenoeg is a...genetically relatedto granites of the Bushveld Complex. It consists of a pipe-shaped bodycontaining primaryfayalite...bystratiform bodies of felsiteandfragmental hematite-fluorite debris.With the exception of its abundant fluorite...fluorite,Vergenoeg is similarto massive iron oxidedeposits suchasKiruna,PeaRidge,andCerroMercado, allofwhicharerelatedto |  | Goff, B. H., Weinberg, R., Groves, D. I., Vielreicher, N. M., Fourie, P. J. (2004) The giant Vergenoeg fluorite deposit in a magnetite?fluorite?fayalite REE pipe: a hydrothermally-altered carbonatite-related pegmatoid?. Mineralogy and Petrology, 80 (3) 173-199 doi:10.1007/s00710-003-0012-6 | Journal (article/letter/editorial) | | 173â199 DOI 10.1007/s00710-003-0012-6 The giant Vergenoeg fluorite deposit in a magnetiteâfluoriteâfayalite...Global Metallogeny, School of Earth and Geographical Sciences, University of Western Australia, Crawley...Australia 2 Vergenoeg Mine, Farm Kromdraai, Rust De Winter, SA, Pienaarâs River, South Africa Received February...world-class Paleoproterozoic Vergenoeg fluorite deposit in South Africa is hosted in a breccia pipe comprising...comprising units with varying proportions of pegmatoidal fayalite, magnetite, fluorite and siderite. |  | | Journal (article/letter/editorial) | | Depositsand AssociatedPyroclastic Rock Suite at Vergenoeg, BushyeldComplex I. T. CROCKER GeologicalSurveyof...farms Kromdraai and Naaupoortnear Rust de Winter is of volcanogenic originandis relatedto a rhyoliticpy...withinthe pyroclastic suite.At surfacethe Vergenoeg orebodyis madeup of an oxidizedgossan,which consistsof massiveto...strikingnorthnorthwestand consisting of similarmetsparoriginatefrom the apicalpart of theseplugs. The contactof...sulfidessuchas pyrite, pyrrhotite, and minor sphalerite, chalcopyrite,bornite, and galena. The Plattekoporebodyis |  | | Journal (article/letter/editorial) | | Economic potential of the Rooiberg Group: volcanic rocks in the floor and roof of the Bushveld Complex...0002, South Africa Received: 17 May 1994/Accepted: 9 December 1994 Abstract. Volcanic rocks of the Rooiberg...preserved in the floor and roof of the marie Rustenburg Layered Suite of the Bushveld Complex. Field and...and geochemical characteristics of these volcanic rocks imply that they are genetically related to the...lowermost portion of the Rooiberg Group, underlying the Rustenburg Layered Suite. This type of mineralisation |  | | Journal (article/letter/editorial) | | granites of the Bushveld Complex â examples from the central southeastern lobe R.H. Bailie School of Geosciences...University of the Witwatersrand, Johannesburg, 2050, South Africa Current address: Department of Geology...Johannesburg, 2006, South Africa e-mail: glgy13@na.rau.ac.za L.J. Robb EGRI-HAL, School of Geosciences, University...University of the Witwatersrand, Johannesburg, 2050, South Africa e-mail: robblj@geosciences.wits.ac.za...Society of South Africa ABSTRACT Field mapping of a region in the central southeastern portion of the Bushveld |  | | Journal (article/letter/editorial) | | ©2020 Society of Economic Geologists, Inc. Economic Geology, v. 115, no. 7, pp.1603â1604 INTERESTING...Economic Geology prints partial tables of contents of a number of journals as an information service. Please...to obtain copies of the journals or papers. If you cannot arrange to get copies of interesting papers...normal library sources, please contact the offices of the individual journals for assistance. Where possible... CANADIAN JOURNAL OF EARTH SCIENCES GEOPHYSICS Vol. 57, No. 7, 2020 Timing of magmatic crystallization |  | | Journal (article/letter/editorial) | | 288 www.elsevier.com/locate/chemgeo Geochemistry of fluid inclusion brines from Earth's oldest Mississippi...Supergroup, South Africa Stephen E. Kesler a,â, Martin Reich a,b , Marlon Jean a,c a Department of Geological...Geological Sciences, University of Michigan, Ann Arbor, MI 48105, United States Departamento de GeologĂa, Facultad...Universidad de Chile, Santiago, Chile Department of Earth and Environmental Sciences, California State...NeoarcheanâPaleoproterozoic Transvaal basin in South Africa, which were deposited before the 2.4 to 2.0 |  | | Report (volume) | | ~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 |  | | Book | | 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: |  | | Journal (article/letter/editorial) | | ECONOMIC GEOLOGY prints partial tables of contents of a number of journals as an information service. Please...to obtain copies of the journals or papers. If you cannot arrange to get copies of interesting papers...No. 2, 2004 Chemical bleaching indicates episodes of fluid flow in deformation bands in sandstoneâW.T...Parry, Marjorie A. Chan, and Brenda Beitler Origin of overpressures in shales: Constraints from basin modeling...normal library sources, please contact the offices of the individual journals for assistance. Where possible |  | | Journal (article/letter/editorial) | | ©2015 Society of Economic Geologists, Inc. Economic Geology, v. 110, pp. 275â280 INTERESTING PAPERS...Economic Geology prints partial tables of contents of a number of journals as an information service. Please...to obtain copies of the journals or papers. If you cannot arrange to get copies of interesting papers...normal library sources, please contact the offices of the individual journals for assistance. Where possible... Canadian Mineralogist Mineralogical Association of Canada, 490 de la Couronne, QuĂ©bec, QC G1K 9A9 Canada |  | | Book | | 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 ScienceĂŸBusiness 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 |  | | Journal (article/letter/editorial) | | China M. P. SMITHâ ,* AND P. HENDERSON Department of Mineralogy, Natural History Museum, Cromwell Road...deposit. The deposit consists of replacement bodies hosted in dolomite marble and of magnetite, hematite, and...from 0.3 to 0.45, at temperatures of >280Âș to 330ÂșC and pressures of >0.7 kbar. Fluids in apatite and...carbonate dissolution at temperatures of >400Âș to ~300ÂșC and pressures of >0.9 to 1.4 kbars. Evidence for phase...pressures of 0.8 to 1.0 kbar during vein formation. These pressures can be used to infer temperatures of 430Âș |  | Gigoux, Morgane, Delpech, Guillaume, Guerrot, Catherine, Pagel, Maurice, AugĂ©, Thierry, NĂ©grel, Philippe, Brigaud, Benjamin (2015) Evidence for an Early Cretaceous mineralizing event above the basement/sediment unconformity in the intracratonic Paris Basin: paragenetic sequence and Sm-Nd dating of the world-class Pierre-Perthuis stratabound fluorite deposit. Mineralium Deposita, 50 (4) 455-463 doi:10.1007/s00126-015-0592-1 | Journal (article/letter/editorial) | | Paris Basin: paragenetic sequence and Sm-Nd dating of the world-class Pierre-Perthuis stratabound fluorite...associated with the basement/sediment unconformity of the intracratonic Paris Basin and the Morvan Massif...5.5 Mt of fluorite within six fluorite deposits. In this study, we aim to determine the age of the major...mineralization event of the Pierre-Perthuis deposit (1.4 Mt fluorite) by a combined study of the paragenetic...formation. Three fluorite stages associated with sphalerite, pyrite, galena, barite, and quartz have been |  | | Journal (article/letter/editorial) | | (hydrothermal) fluids, consisting largely of H2O, CO2, and NaCl, formed most of Earthâs ore deposits. The fluids...meteoric (~100°C) systems. Salinities well above that of seawater are reached by boiling, evaporation, and...establishing the concentrations of metals in these fluids, the volume and duration of hydrothermal flow, and the...analyses of inclusion contents provide information on compositions of the fluids. Isotopic analyses of hydrothermal...fluids serve as geothermometers and tracers of the source of the fluid and its dissolved constituents (Farmer |  | Nadoll, Patrick, Rehm, Meike, Duschl, Florian, Klemd, Reiner, Kraemer, Dennis, SoĆnicka, Marta (2018) REY and Trace Element Chemistry of Fluorite from Post-Variscan Hydrothermal Veins in Paleozoic Units of the North German Basin. Geosciences, 8 (8) 283 doi:10.3390/geosciences8080283 | Journal (article/letter/editorial) | | Element Chemistry of Fluorite from Post-Variscan Hydrothermal Veins in Paleozoic Units of the North German...Germany; florian.duschl@geo.uni-goettingen.de Department of Physics and Earth Sciences, Jacobs University Bremen...fluorite from all investigated areasâthe median sum of REY ranges from 0.3 to 176 ppm. EuropiumCN anomalies...ratios and decreasing La/Ho ratios can be the result of continuous zoned growth during a single mineralizing...for the interpretation of such trends and hence the inferred genetic evolution of fluorite that displays |  | Kraemer, Dennis, Viehmann, Sebastian, Banks, David, Sumoondur, Anjani D., Koeberl, Christian, Bau, Michael (2019) Regional variations in fluid formation and metal sources in MVT mineralization in the Pennine Orefield, UK: Implications from rare earth element and yttrium distribution, Sr-Nd isotopes and fluid inclusion compositions of hydrothermal vein fluorites. Ore Geology Reviews, 107. 960-972 doi:10.1016/j.oregeorev.2019.03.014 | Journal (article/letter/editorial) | | Sr-Nd isotopes and fluid inclusion compositions of hydrothermal vein fluorites Dennis Kraemer, Sebastian... Sr-Nd isotopes and fluid inclusion compositions of hydrothermal vein fluorites, Ore Geology Reviews...1016/j.oregeorev.2019.03.014 This is a PDF file of an unedited manuscript that has been accepted for...version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting... Sr-Nd isotopes and fluid inclusion compositions of hydrothermal vein fluorites Dennis Kraemer*1, Sebastian |  | | Report (issue) | | 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 |  | | Report (volume) | | 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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