 | | Book | | azurite et malachite massives Azurite (Chessy, Rhône) Tranche polie dans une stalactite d’azurite et...localité-type de l’azurite est celle de Chessy dans le Rhône dont les échantillons attirent toutes les convoitises...stalactiforme et rubanée sont en Oural et au Katanga. En France, hormis la célèbre mine de Chessy (localité-type...gisements dans les Vosges, en Auvergne, Var, Loire, Tarn, Savoie, Alpes-Maritimes, Corse, des Pyrénées...sont aussi appelées « semi-précieuses », sauf en France où cette désignation est interdite depuis 2002 |  | Raimbault, Louis, Cuney, Michel, Azencott, Claude, Duthou, Jean-Louis, Joron, Jean Louis (1995) Geochemical evidence for a multistage magmatic genesis of Ta-Sn-Li mineralization in the granite at Beauvoir, French Massif Central. Economic Geology, 90 (3) 548-576 doi:10.2113/gsecongeo.90.3.548 | Journal (article/letter/editorial) | | Genesis of Ta-Sn-LiMineralization in the Granite at Beauvoir, French Massif Central LouIs RAIMBAULT, Centred'Informatique...35 rue SaintHonord, F-77305Fontainebleau Cedex, France,andLaboratoire PierreSiie,Groupe desSciences dela...surYvetteCedex, France MICHEL CUNEY, CREGUandGS CNRS-CREGU, B.P.23, F-54501Vandoeuvre lesNancyCedex,France CLAUDE...Nucldaires de Saclay, B.P.2, F-91191Gif surYvetteCedex, France JEANLOUISDUTHOU, Ddpartement de Gdologie et Mindralogie...ClermontII, 5 rueKessler, F-63038ClermontFerrandCedex,France ANDJEANLOUISJORON Laboratoire PierreSiie,GroupedesSciences |  | | Journal (article/letter/editorial) | | the Echassi res granitic cupola (Massif Central, France) Thierry Merceron 1'3, Philippe Vieillard 1, Anne-Marie...Avenue du Recteur Pineau, F-86022 Poitiers C+dex, France 2 D~partement de G~ochimieIsotopique, BRGM, DT/ANA...C6dex 2, France 3 ANDRA/DESI, Route du Panorama Robert Schuman, F-92266 Fontenay aux Roses, France ReceivedDecember...albite-lepidolitc granite at Echassi6res (Massif Central, France; scientific deep drill program) shows the existence...hydrothermal stage corresponds to deposits of fluorite and Fe-Mg rich illite (151 million years) in subvertical |  | | Journal (article/letter/editorial) | | Depletionin a Ta-Nb-BearingAlbite Granite: The Beauvoir Granite, France A. M. FOUILLAC BRGM, DdpartementGdochimie...DdpartementGdochimie,BP 6009, 45060 OrldansCedex2, France AND P. Rossi BRGM, Groupementde Recherches, Mdtallogdnieet...la, rue de la Fdrollerie, 45045 Orldans Cedex, France Abstract The Beauvoiralbite-topaz-lepidolitegranite...hole at Echassi•res,in the MassifCentral (France).The Beauvoir granite is a southerlyinclined sheet, bearing...0361-0128/91/1292/1704-1753.00 1704 lSo DEPLETION, BEAUVOIR GRANITE, FRANCE Taylor, 1983). Conditionsmost favorablefor |  | Monnier, L., Lach, P., Salvi, S., Melleton, J., Bailly, L., Béziat, D., Monnier, Y., Gouy, S. (2018) Quartz trace-element composition by LA-ICP-MS as proxy for granite differentiation, hydrothermal episodes, and related mineralization: The Beauvoir Granite (Echassières district), France. Lithos, 320. 355-377 doi:10.1016/j.lithos.2018.09.024 | Journal (article/letter/editorial) | | related mineralization: The Beauvoir Granite (Echassières district), France L. Monnier, P. Lach, S. Salvi...related mineralization: The Beauvoir Granite (Echassières district), France. Lithos (2018), doi:10.1016/j...related mineralization: The Beauvoir PT Granite (Echassières district), France L. Monniera, P. Lachb,...CNES, UPS (Toulouse), France BRGM, 3 Avenue Claude Guillemin, 45000 Orléans, France MA b c D INRA,... UMR AMAP, F-34000 Montpellier, France PT E * AC CE Corresponding author. ACCEPTED MANUSCRIPT |  | | Journal (article/letter/editorial) | | gangueminerals(in this case,mainly quartz plus fluorite, CaF•, or fluorapatite, Ca•(PO4)aF) are present...and P•O•, phenakite, Be•SiO4,becomesstable with fluorite or fluorapatitein typical greisenand vein assemblages...related hydrothermal skarnshave analoguesinvolving fluorite and F•.O_x environments. In the presentpaper,...Assumed viation composition Bromellite Bro BeO Fluorite Ca-Be fluoride Flu CBF CaF• CaBeF4 References...inclusions in minerals such as quartz or topaz in fluorite and phenakite-bearing cavities in pegmatites. |  | Wang, R. C., Fontan, F., Chen, X. M., Hu, H., Liu, C. S., Xu, S. J., de Parseval, P. (2003) ACCESSORY MINERALS IN THE XIHUASHAN Y-ENRICHED GRANITIC COMPLEX, SOUTHERN CHINA: A RECORD OF MAGMATIC AND HYDROTHERMAL STAGES OF EVOLUTION. The Canadian Mineralogist, 41 (3) 727-748 doi:10.2113/gscanmin.41.3.727 | Journal (article/letter/editorial) | | Sabatier, 39, Allées Jules Guesde, F-31000 Toulouse, France FRANÇOIS FONTAN Laboratoire de Mécanisme de Transfert...Sabatier, 39, Allées Jules Guesde, F-31000 Toulouse, France XIAO MING CHEN, HUAN HU, CHANG SHI LIU AND SHI...Sabatier, 39, Allées Jules Guesde, F-31000 Toulouse, France ABSTRACT The Xihuashan granitic complex (southern... gadolinite-(Y), fergusonite-(Y), and yttrian fluorite (up to 15 wt% Y2O3), are concentrated to various...granitic melt in a fluid phase. Keywords: yttrian fluorite, yttrium-bearing spessartine–almandine, xenotime-(Y) |  | | Journal (article/letter/editorial) | | mica and topaz. Fluorapatite, Nb-Ta-Ti oxides, fluorite and rare beryl represent accessories. Quartz-free...997, 1542 – alkali-feldspar syenite, Vysoký Kámen quarry; 1007 – slightly greisenized topaz-albite granite...997, 1542 – alkali-feldspar syenite, Vysoký Kámen quarry Sample 1007-16 1285-29 1285-33 1179-23 1542-27...stock; 1542 – alkali-feldspar syenite, Vysoký Kámen quarry Sample 1283-5 1453-35 1453-37 1474-25 1178-10...stock; 997 – alkali-feldspar syenite, Vysoký Kámen quarry Zr4+ U4+ Al3+ Sc3+ Fe2+ Mn2+ Mg2+ Total Mn/(Fe+Mn) |  | | Journal (article/letter/editorial) | | Compositional relations in Li-micas from S.W. England and France: an ion- and electronmicroprobe study C. M. B....the St Austell granite) and the Massif Central, France. Rocks showing various degrees of hydrothermal...ion-microprobe, electron-microprobe, S.W. England, France. Introduction (K2(A12Li4)[Sis]O20(OH,F)4); THE...granites from S.W. England and the Massif Central, France 9 Micas from rocks showing variable degrees of...unaltered types as well as the altered varieties fluorite granite and chinastone (Exley and Stone, 1982) |  | | Journal (article/letter/editorial) | | around the albite–lepidolite–topaz granite of Beauvoir (France): an in-situ ion and electron probe study...July 2003 Springer-Verlag 2003 Abstract The Beauvoir albite–lepidolite–topaz granite is a small, highly...ENSG-INPL, BP 40, 54501 Cedex Vandoeuvre-lès-Nancy, France B. Charoy Æ M. Chaussidon Æ C. Le Carlier De Veslud...CRPG-CNRS, BP 20, 54501 Cedex Vandoeuvre-lès-Nancy, France E-mail: christian.le.carlier@ensg.inpl-nancy.fr...10, 5 rue Kessler, 63038 Cedex Clermont Ferrand, France Introduction The incompatible behavior of Rb with |  | | Journal (article/letter/editorial) | | The averageP contents of Af from the Beauvoir granites, France, are even higher: 0.8 wto/oPrO, in Kl...experimental investigawall, England (Fig. l), and Beauvoir, France(Fig. 2, Table tions (London et al., 1990b)...Inferredgeologiccrosssectionthroughthe Beauvoir granite complex,Echassi0res, France,from Cuneyand Autran (1987)...Stone, 1982); Echassidres@eauvoir),Massif Central, France( 1.08- 1.63 wto/oPrOr, Raimbault and Azencott,1987);...granites from Cornwall, England,and Echassidres,France sio, Alro3 Tio, FerO" Mgo CaO MnO Li"o Na"O KrO |  | Fosso Tchunte, Periclex Martial, Tchameni, Rigobert, André-Mayer, Anne-Sylvie, Dakoure, Hilaire Somtebda, Turlin, François, Poujol, Marc, Nomo, Emmanuel Negue, Saha Fouotsa, Alliance Nicaise, Rouer, Olivier (2018) Evidence for Nb-Ta Occurrences in the Syn-Tectonic Pan-African Mayo Salah Leucogranite (Northern Cameroon): Constraints from Nb-Ta Oxide Mineralogy, Geochemistry and U-Pb LA-ICP-MS Geochronology on Columbite and Monazite. Minerals, 8 (5) 188 doi:10.3390/min8050188 | Journal (article/letter/editorial) | | GeoRessources, Université de Lorraine, CNRS, F-54000 Nancy, France; anne-sylvie.andre@univ-lorraine.fr (A.-S.A.-M...CNRS, Géosciences Rennes-UMR 6118, F-35000 Rennes, France; Marc.poujol@univ-rennes1.fr Department of Earth...linked to magmatic processes, as evidenced for the Beauvoir granite (French Massif Central [6–8]), Yichun...d'Analyse des Roches et des Minéraux, CRPG-CNRS, Nancy, France). Sample preparation, analytical conditions, and...spectrometer at GeoRessources laboratory (Nancy, France) to characterize the paragenetic assemblages of |  | | Journal (article/letter/editorial) | | earlier data and that from similar rocks elsewhere (Beauvoir and Cinovec granites; Macusani glass). Ongonites...Gesteinen in anderen Bereichen (die Granite von Beauvoir und Cinovec, das Glas von Macusani) verglichen...glass by Pichavant et al. (1987), the granites of Beauvoir by Rossi et al. (1987) and Raimbault and Azencott...(wolframite), (b) scheelite, (c) sulphide and (d) quartz-fluorite. Hfibnerite was only deposited at the first stage...skeletal structures albite K-feldspar mica glass fluorite hypidiomorphic overgrowth from the groundmass |  | | Journal (article/letter/editorial) | | 20 54 501 Vandoeuvre Cedex France, and EMN-INPL, 54 042 Nancy Cedex France e-mail: marignac@mines.u-nancy...CREGU-UMR G2R 7566, BP23, 54 501 Vandoeuvre Cedex France Cyprus-type VMS deposits, nor massive podiform...of the Sillon Houiller Shear Zone, from the Haut Allier to the Montagne Noire; 3: N-S section from the...granulitic overprinting in the LAGs of the Haut-Allier, in apparent relation with a gabbroic intrusion...Namurian/Westphalian Early Stephanian Sn-Be-Ta-Li Beauvoir (15) Major (sub-economic) Minor About 310 Ma |  | Monnier, Loïs, Salvi, Stefano, Melleton, Jérémie, Bailly, Laurent, Béziat, Didier, de Parseval, Philippe, Gouy, Sophie, Lach, Philippe (2019) Multiple Generations of Wolframite Mineralization in the Echassieres District (Massif Central, France) Minerals, 9 (10) 637 doi:10.3390/min9100637 | Journal (article/letter/editorial) | | Mineralization in the Echassieres District (Massif Central, France) Loïs Monnier 1 , Stefano Salvi 1, * , Jérémie... CNES. Université de Toulouse, 31400 Toulouse, France; loismonnier@yahoo.fr (L.M.); didier.beziat@get...(BRGM), 3 Avenue Claude Guillemin, 45000 Orléans, France; j.melleton@brgm.fr (J.M.); l.bailly@brgm.fr (L... Abstract: The Echassières district in central France contains complex rare-element ore deposits, whose...rock. After metamorphism, before intrusion of the Beauvoir and Colettes granites, wolframite b crystallized |  | | Journal (issue) | | à l'occasion des Hors-Série n°2 (La Barytine en France), n°3 (La mine d'or de Salsigne) et n°4 (La radioactivité...ici le bel exemple de la mine de La Villeder en France pour l'étain et ses splendides cassitérites tandis...le même déclin de leur industrie extractive, en France comme dans de nombreux pays, face à la production...en 1975 et bien après la "période Villeder", la France ne possède plus de production minière d'étain....dépendants du marché et des importations. En 1985, la France importait déjà 50% de produits dérivés (ferrotungstène) |  | | Journal (article/letter/editorial) | | black poikilitic zinnwaldite is common; topaz, fluorite, zircon, rutile and thorite are accessory. This...sericitized K-feldspar. Typical accessory minerals are fluorite, topaz, zircon, cassiterite and columbite. ...of feldspars by quartz, zinnwaldite, topaz and fluorite. Mineralization is irregularly distributed in...groundmass. Zinnwaldite is present only incidentally. Fluorite, zircon, rutile, thorite, cassiterite and columbite...zinnwaldite. The granite further comprises topaz, fluorite, zircon, xenotime, thorite, monazite, rutile, |  | Webster, James D., Thomas, Rainer, Rhede, Dieter, Förster, Hans-Jürgen, Seltmann, Reimar (1997) Melt inclusions in quartz from an evolved peraluminous pegmatite: Geochemical evidence for strong tin enrichment in fluorine-rich and phosphorus-rich residual liquids. Geochimica et Cosmochimica Acta, 61 (13) 2589-2604 doi:10.1016/s0016-7037(97)00123-3 | Journal (article/letter/editorial) | | subordinate topaz, muscovite, triplite-( zwieselite), fluorite, F- and REE-rich apatite, molybdenite, sphalerite...quartz, topaz, cassiterite, triplite, apatite, fluorite, and berlinite which is similar to the presence...inclusions of feldspar, mica, apatite, iron oxides, and fluorite in the quartz grains; 2594 J. D. Webster et...are not a result of contamination by topaz or fluorite because topaz does not occur as microscopic crystals...crystals in quartz and because if fluorite is a J. D. Webster 2596 for tin in F- and P-deficient silicate |  | | Journal (article/letter/editorial) | | to fluid-induced alterations of post-magmatic fluorite and/or cassiterite crystals at the final stage...mineral, followed by late-magmatic ilmenite and fluorite. Cassiterite, columbite, hematite, magnetite,...mineral, followed by late-magmatic ilmenite and fluorite. Cassiterite, columbite, hematite, magnetite,...zinnwaldite (Figure 3c). Other minerals found here are fluorite, ilmenite, hematite, phengite, and sphalerite...zinnwaldite (Figure 3c). Other minerals found here are fluorite, ilmenite, hematite, phengite, and sphalerite |  | Xie, Lei, Wang, Ru-Cheng, Che, Xu-Dong, Huang, Fang-Fang, Erdmann, Saskia, Zhang, Wen-Lan (2016) Tracking magmatic and hydrothermal Nb–Ta–W–Sn fractionation using mineral textures and composition: A case study from the late Cretaceous Jiepailing ore district in the Nanling Range in South China. Ore Geology Reviews, 78. 300-321 doi:10.1016/j.oregeorev.2016.04.003 | Journal (article/letter/editorial) | | in the Czech CE Republic and the Beauvoir S-type grante in France (Breiter and Škoda, 2012; Wang et...and rare-metal NU mineralization in peripheral fluorite ore bodies and quartz veins. MA 2. Geological...The mineralized zones comprise mostly abundant fluorite, topaz, phenakite, muscovite, zinnwaldite, calcite...exploitable at estimated reserves of 26 megatons of fluorite, 102 kilotons of BeO, and 49 kilotons of Sn. The...of quartz, topaz, zinnwaldite, muscovite, and fluorite, with disseminated wolframite and NU cassiterite |  | Petrik, I., Kubis, M., Konecny, P., Broska, I., Malachovsky, P. (2011) Rare phosphates from the Surovec topaz - Li-mica microgranite, Gemeric unit, Western Carpathians, Slovak Republic: role of the F/H2O of the melt. The Canadian Mineralogist, 49 (2) 521-540 doi:10.3749/canmin.49.2.521 | Journal (article/letter/editorial) | | P2O5, Li2O and F, they may comprise apatite, fluorite and topaz, accompanied by Li–Fe micas (Breiter... 1999), Cornwall (Müller et al. 2006) and the Beauvoir pluton (Cuney et al. 1992). An origin by muscovite...were found in both microgranite and leucogranite. Fluorite was not found. Methods Whole-rock compositions...phosphates, surovec microgranite, slovak republic the Beauvoir granite (Charoy et al. 2003) (Fig. 4). The geochemical...described in a topaz greisen in an assemblage with fluorite and quartz (Silvermine area, Taylor et al. 1984) |  | | Journal (article/letter/editorial) | | ilmenite, rutile, anatase, brookite, spinel, fluorite, topaz and garnet (Exley and Stone, 1964, 1982;...xenotime, apatite, uraninite Zircon, apatite, fluorite, uraninite, columbite, thorite, monazite Land´s...Coarse-grained porphyritic biotite Zircon, apatite, fluorite, Geevor mine granite monazite Carnmenellis Granite...apatite, monazite, Wheal Remfry granite rutile, fluorite St. Austell Granite, Leucocratic medium-grained...columbite (bright), #4952, topaz aplite, Meldon quarry. 1277 TABLE 2. Representative compositions of |  | | Journal (article/letter/editorial) | | minerals mainly consist of zircon, magnetite, sphere, fluorite, and rutile. The quartz is subhedral to anhedral...and UO2 contents in zircons from the Beauvoir S-type granite, France, can reach 0.35 and 7.6 wt%, respectively...zircon chemistry: The Cínovec A-type versus the Beauvoir S-type suite. Geologica Carpathica, 63, 383–398...pegmatitique du granite de Beauvoir, Massif d’Echassieres, Allier, France. Canadian Mineralogist, 30...AL: CHEMICAL LATTICE EXPANSION OF NATURAL ZIRCON fluorite and cryolite and the origin of the lanthanide |  | | Journal (article/letter/editorial) | | the Palaeozoic lepidolite granite of Beauvoir (Echassieres) in France. Zusammenfassung Tantalvererzung...und mineralogisch vom pal~iozoischen Granit aus Beauvoir (l~chassieres) in Frankreich. Introduction The...abundant sericite and kaolinite and accessory topaz, fluorite, hematite, zircon (with high Hf contents), monazite... potash feldspar, albite, zinnwaldite, topaz, fluorite, sericite, kaolinite and hematite. The ratio of...albite predominates over potash feldspar. Topaz, fluorite, zircon, cassiterite and scheelite are the main |  | Breiter, Karel, Badanina, Elena, Ďurišová, Jana, Dosbaba, Marek, Syritso, Liudmila (2019) Chemistry of quartz – A new insight into the origin of the Orlovka Ta-Li deposit, Eastern Transbaikalia, Russia. Lithos, 348. 105206 doi:10.1016/j.lithos.2019.105206 | Journal (article/letter/editorial) | | feldspars, micas (Syritso Pr et al., 2001) and fluorite (Badanina et al., 2006). Unfortunately, these...the character of albitite with porous structure. Fluorite is a common minor mineral. Microscopically inhomogeneous...Műller (2009); Cínovec, Breiter et al. (2017); Beauvoir, Monnier et al. e- (2018)], the quartz from...mentioned rocks contains only 0.1–0.3 ppm Be. At rn Beauvoir, for comparison, bulk contents of Be reach 100–280...either in the uppermost cupola (beryllonite in Beauvoir, Charoy, 1999) or in the exocontact (beryl in |
|
Beauvoir quarry, Échassières, Vichy, Allier, Auvergne-Rhône-Alpes, France