 | | 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 |  | Gu, Xiaoyan, Ingrin, Jannick, Deloule, Etienne, France, Lydéric, Xia, Qunke (2018) Metasomatism in the sub-continental lithospheric mantle beneath the south French Massif Central: Constraints from trace elements, Li and H in peridotite minerals. Chemical Geology, 478. 2-17 doi:10.1016/j.chemgeo.2017.08.006 | Journal (article/letter/editorial) | | Université de Lorraine, 54501 Vandoeuvre les Nancy, France School of Earth Sciences, Zhejiang University,...Unité Matériaux et Transformations, F 59 000 Lille, France A R T I C L E I N F O A B S T R A C T Keywords:...Université de Lorraine, 54501 Vandoeuvre les Nancy, France. E-mail address: 0016620@zju.edu.cn (X. Gu). http://dx...sampled xenoliths from the Razas Grand quarry in Mont Coupet (Devès, southern FMC domain; Fig. 1), which samples...Cenozoic volcanoes. The sampling locality of Mont Coupet, (Dèves, region 2), is marked by a blue circle; |  | | Journal (article/letter/editorial) | | composite megacrysts and salic xenoliths include apatite, magnetite, zircon, biotite, Fe-rich pyroxene(s)...but rarely orthorhombic), biotite, magnetite, apatite, zircon and corundum. Of these minerals, composing...as ferrosalite), biotite, magnetite, zircon and apatite, compositionally matching those seen as megacrysts...the parental melts. The ubiquitous presence of apatite and zircon implies crystallization from melts enriched...dykes in uplifted peridotite bodies in California, France and Italy. In Plumas County, California, a 5 m |  | | Book | | 12 Diamonds from the Deep and Shallow 13 Apatite: a sensitive indicator of crystallisation environment...“ ” Figure 1. Cathodoluminesence image of an apatite with veinlets of calcite from Palabora carbonatite...HIGHLIGHTS patite especially REE, Y, Mn and Th in apatite depends not only on the mineral structure, but...melt or fluid from which the apatite crystallised. 10000 1000 APATITE/CHONDRITE A is a ubiquitous...environments including magmatic iron-ore deposits. Apatite may concentrate a high proportion of the whole-rock |  | | Journal (issue) | | Afghanistan • Rediscovery of sapphires in central France • Sapphire mining in southern Madagascar • A strongly...Abduriyim Tokyo, Japan Emmanuel Fritsch Nantes, France Robert E. Kane Helena, Montana Kenneth Scarratt...two materials reported in the 2000s. A synthetic apatite (figure 23) with a color change from purple pink...gemological properties were consistent with natural apatite, suspicion arose from an unusual spectrum (seen...in this unusual 3.03 ct color-change synthetic apatite. Magnification (right) revealed features that indicated |  | 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) | | Denchai, Thailand; and 4.9 to 519 10.3‰ at Le Mont Coupet, French Massif Central. 520 The variability...and 18O, showing limited growth texture. Ap = apatite, Crn = corundum, Cc = calcite, 773 Rt = rutile...Cc = 776 calcite, Mrg = margarite, and Ap = apatite. This article is protected by copyright. All rights...albite, Alm = almandine, An = anorthite, Ap = apatite, Cc = calcite, Crn = corundum, Czo = Clinozoisite |  | | Journal (issue) | | Color Academy Gem Notes Amethyst from Zimbabwe | Apatite from Durango, Mexico | Cobaltoan Calcite from Switzerland...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...JOURNAL OF GEMMOLOGY, 36(8), 2019 GEM NOTES Apatite from Durango, Mexico Extensive information is known...g. Megaw & Barton 1999, 2013). The use of this apatite as a geochronological and mineralogical standard |  | | 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 |
|
