 | | Journal (article/letter/editorial) | | Toulouse, France D. Ohnenstetter CRPG, Nancy-Université, CNRS, BP 20, 54501 Vandœuvre-lès-Nancy, France (4...Avenue, Glasgow G75 0QF Scotland, UK Keywords France . French Massif Central . Basalt . Oxygen isotopes...Sapphires G. Pegere Avenue d’Auvergne, 43100 Brioude, France The blue-green-yellow sapphires and rubies...Nancy-Université, CNRS, BP 20, 54501 Vandœuvre-lès-Nancy, France e-mail: giuliani@crpg.cnrs-nancy.fr Introduction...Puys, Mont Dore, Cantal, Devès, and Velay (Simonet 2000). The main occurrences are the Mont Coupet and |  | | Book | | St-Beauzire Saint-Ours Pont-duPontgibaud e Château ~ ) Ror.at Clermont Herment eBlllom @) Saint-Aw,ant-Tallende...Aathezat • Vic-le-Comte • • Le Mont-Dore • • Besse • ,~. ,I LOIRE • A Issoire Vernet-la• Varenne...Varenne •Alx-la-F St-Germain• • Lembron Brioude • La Chaise-Dieu • • CANTAL Firminy St-GeorgesAli...• \' ( .._' 1 1 l l GITES MINÉRAUX ÈN AUVERGNE 111111111111111111111111111111111111111111111...départements du Puy-de-Dôme, du Cantal, de la Loire ou de la Haute-Loire, nombreux sont les gites anciens ou actuels |  | | Journal (article/letter/editorial) | | ilion A fluorite et barytine de Chavaniac (Haute-Loire, France) d'apr s des 6tudes d'inclusions fluides...Paris, France JEAN-CLAuDE TOURAy Laboratoire de Gdologie de l'Ecole Normale Sup~rieure, Paris, France L'&ude...above results. Le ilion de Chavaniac-Lafayette (Haute-Loire) est situ6 au coeur du Massif Central (P1. I)...~ l'Ouest par le domaine cristallophyllien de Brioude-Massiac. Les filons sont encaiss6s dans des gneiss...sous les coul6es basalti- ques du Mont Brian~on et du Mont Coupet; l'Est de Chavaniac, ils forment un |  | Turnier, Rachelle B., Katzir, Yaron, Kitajima, Kouki, Orland, Ian J., Spicuzza, Michael J., Valley, John W. (2020) Calibration of oxygen isotope fractionation and calcite‐corundum thermometry in emery at Naxos, Greece. Journal of Metamorphic Geology, 38 (1) 53-70 doi:10.1111/jmg.12512 | Journal (article/letter/editorial) | | calcite (this study). 138 139 The next isograd, sillimanite-in, marks the beginning of zone V and is based...based on the first appearance of sillimanite in metapelites. On Naxos, at pressures of 6 to 7 kbar, this...& Jansen, 1976). 141 Zone V is the kyanite-sillimanite transition zone. Metabauxite deposits are rare...copyright. All rights reserved zone-IV near the sillimanite-in isograd and zone-V yielded temperatures of...staurolite-in isograd (540 473 °C) and the sillimanite-in isograd (620 °C). Furthermore, these temperatures |  | | Journal (issue) | | Washington, USA; Emmanuel Fritsch, University of Nantes, France; Rui Galopim de Carvalho, PortugalGemas Academy...Surrey; Benjamin Rondeau, University of Nantes, France; George R. Rossman, California Institute of Technology...Gübelin & Koivula (2008) indicated rutile or sillimanite in Sri Lankan enstatite; and Schmitz et al. (2016)...Cathelineau (thierry.cathelineau@spec4gem.info) Paris, France References Chihara, H., Koike, C., Tsuchiyama...Delaunay Laboratoire Français de Gemmologie Paris, France References Akamatsu, S., Zansheng, L.T., Moses |  | | Journal (issue) | | Emmanuel Fritsch Thomas M. Moses Wuyi Wang Nantes, France New York, New York New York, New York Eloïse...Gaillou Aaron Palke Christopher M. Welbourn Paris, France Carlsbad, California Reading, UK Gaston Giuliani...Giuliani Ilene Reinitz Chunhui Zhou Nancy, France Chicago, Illinois New York, New York Lee A. Groat...Hughes Benjamin Rondeau Bangkok, Thailand Nantes, France Database Coverage Gems & Gemology’s impact factor...from the Souliot placer in the Massif Central, France; photo by D. Schlaefli. D: Ruby (Crd) xenocryst |
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Mont Coupet, Saint-Eble, Mazeyrat-d'Allier, Brioude, Haute-Loire, Auvergne-Rhône-Alpes, France