 | | Book | | À la découverte minéraux pierres précieuses des et des COLLECTION L’AMATEUR DE NATURE Sous la direction...national d’Histoire naturelle Adaptation maquette et mise en pages : Yves Tremblay Maquette de couverture...d’emploi… ……………………………………… 4 Découvrir les minéraux et les gemmes 6 Qu’est-ce qu’un minéral ?……………………………...gemmes… ……………………………………… 43 Les collections de minéraux et de gemmes… …… 55 Comment se forment les minéraux...d’identification… ……………………………… 67 Reconnaître les minéraux et les gemmes 70 Carnet pratique……………………………………… 196 |  | | Journal (article/letter/editorial) | | 63(2), pp. 239-252 The chemical composition of uraninite in Variscan granites of the Erzgebirge, Germany... Telegrafenberg, D - 14473 Potsdam, Germany Uraninite is widespread as an accessory mineral in the Erzgebirge...Textural relationships and chemical ages imply that uraninite is of magmatic origin. Its composition is variable...plus radiogenic Pb between 71 and 99 tool.%. Uraninite has incorporated Th, Y, and the REE in total amounts...such as P, Si, A1, Ca, and Fe are subordinate. Uraninite from two-mica and Li-mica granites is low in ThO2 |  | | Book | | Geology in France and Related Areas (1994) J. D. Keppie (Ed.) Pre-Mesozoic Geology in France and Related...Cataloging-in-Publication Data. Pre-Mesozoic geology in France and related areas / J. D. Keppie (ed.). p.cm.Developed...2. Geology, Stratigraphic-Paleozoic. 3. Geology-France.!. Keppie, J. Duncan. II. IGCP Project 233-Terranes...comprehensive account of the PreMesozoic Geology of France (Armorican and Central Massifs) and related areas...the international copference held in Montpellier, France, in August, 1988, where a vast amount of new information |  | | Report (issue) | | dNove mbe r2014,a sve r s i on1. 1,t or e pl a c et a bl e2 PREFACE Earth-science and mineral-resource...category ........ Estimated cumulative and annual mine production of tungsten contained in ore and concentrate—...also recovered from placer deposits. Most current mine production of tungsten is from vein/ stockwork,...accounted for over three-fourths of the world’s mine production of tungsten. China alone produced about...example, all production of ferrotungsten ceased in France and West Germany, because it could be imported |  | | Book (volume) | | Emberger and the following national chapters: France and Luxembourg by J. Bouladon Spain by F. Vazquez...Romania and Yugoslavia; and Southwest Europe embraces France, Spain, Portugal and Italy. Each volume has an...of large sedimentary basins Conclusions 30 31 France and Luxembourg by J. Bouladon Introduction 37...Elisa and Dorinda Barruecopardo Golpejas or Bellita mine Morille-Martinamor El Cubito El Trasqui16n. Santa...this introduction, comprises the territories of France, Luxembourg, Italy, Spain and Portugal. It covers |  | Harlaux, Matthieu, Romer, Rolf L., Mercadier, Julien, Morlot, Christophe, Marignac, Christian, Cuney, Michel (2018) 40 Ma of hydrothermal W mineralization during the Variscan orogenic evolution of the French Massif Central revealed by U-Pb dating of wolframite. Mineralium Deposita, 53 (1) 21-51 doi:10.1007/s00126-017-0721-0 | Journal (article/letter/editorial) | | CREGU, GeoRessources, 54506 Vandœuvre-lès-Nancy, France 2 Present address: Department of Earth Sciences...(Merceron et al. 1987; Bril et al. 1991; Monié et al. 2000; Alexandre et al. 2002; Cuney et al. 2002)...Carboniferous siliciclastic sedimentary rocks (Linnemann et al. 2010). The high-strain domains have experienced...framework of the Variscan belt (modified from von Raumer et al. 2003), showing the main Variscan provinces and...of the French Massif Central (modified from Faure et al. 2009), with the location of W±Sn deposits selected |  | | Book (edition) | | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...- Bulletin de la Societe fram;aise de mineralogie et de cristallographie CCM - Clays and Clay Minerals...Mineralogy EG - Economic Geology GCA - Geochimica et Cosmochimica Acta JCGS - Journal of the Czech Geological...Rice, Dolores co., both Colorado, at the Questa mine, Taos co., New 1994. Abernathyite K2[(UOJ 2l(AsO_J2]•6HzO...Harding Co .. South Dakota. and at the Fuemrole No2 mine, Emery co .. Utah. Also at Menzenschwand Scbwarzwald |  | | Book (volume) | | I T'i is book is to be returne~ bon _or before et~,,... 'If! • f STRA THCL YOE UNIVERSITY LIBRARY... B., Epithern1al Au-Ag Mineralization, Maratoto Mine, New Zealand: Stable Isotopes and Fluid Inclusions...Facies Control of Stratiform Ore at the Magmont Mine, Viburnum Trend, Southeast Missouri .. ...........lu~nge between zones~ 1 possibly some fluid influx et base ,A >, "e ~ ....- ?I ,. pluton fractures...content of \ola lcr der i ved by met a•ot ph tc. dehydr et tOn at the bet; in n I ng of. fJL&g•a I 1 c; c: ye: |
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