 | 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 |  | 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) | | of the Massif Central. Abstract Massif Central, France - - V a r i s c a n - Extensional tectonics Key...Terre, Universit6 d'Orl6ans, 45067 Orl6ans Cedex 2, France M. Faure • J. Ports CNRS URA 1366 and GDR 069....X GRANITE X X X X X X h SERIES ~ X 10 K m with the N a m u r i a n - Westphalian extensional...~ a ~ b V~c ~ d ~----]e~ f ~-~g ~ h ~--~i ~ j ),~k -~1 Fig. 2. Simplified structural map of the Sioule...porphyroid granite; j = Stephanian coal sediments; k = antiform and synform axes; 1 = stretching tineation |  | Chudík, P., Uher, P., Kohút, M., Bačík, P. (2008) Accessory columbite to tantalite, tapiolite and zircon: products of extreme fractionation in highly peraluminous pegmatitic granite from the Považský Inovec Mountains, Western Carpathians, Slovakia. Journal of GEOsciences, 53 (3-4) 323-334 | Journal (article/letter/editorial) | | size, in association with quartz, plagioclase, K-feldspar, muscovite, sillimanite, almandine–spessartine...anhedral quartz, plagioclase (An04–28), rare K-feldspar and muscovite (Fig. 2a). The muscovite shows...mm in size), in association with quartz, alkali feldspar, muscovite and apatite. It shows almandine–spessartine...S-type characteristics. High Si, Al, Na, moderate K and P, and low Ti, Fe, Mg and Ca contents are typical...aluminium saturation index (ASI, or molar Al/(Ca + Na + K)) of the rock attains a value of 1.27 and indicates |  | Huang, X. L., Wang, R. C., Chen, X. M., Hu, H., Liu, C. S. (2002) VERTICAL VARIATIONS IN THE MINERALOGY OF THE YICHUN TOPAZ LEPIDOLITE GRANITE, JIANGXI PROVINCE, SOUTHERN CHINA. The Canadian Mineralogist, 40 (4) 1047-1068 doi:10.2113/gscanmin.40.4.1047 | Journal (article/letter/editorial) | | bottom, and revealed three petrographic zones: K-feldspar-rich facies in the lower part, albite-rich facies...the surrounding mica schist. Keywords: P-bearing feldspar, amblygonite, hafnian zircon, columbite–tantalite...rock-forming minerals include quartz, albite, K-feldspar and lepidolite in these fifteen samples. Petrographic...three facies in the topaz–lepidolite granite: (1) K-feldspar-rich facies in the lower part (samples Zk12–15...part (samples Zk5–11, Fig. 1), and (3) albiteand K-feldspar-rich facies in the upper part (samples Zk1–4 |  | | 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) | | BeauvoirTopaz-Lepidolite AlbiteGranite(MassifCentral,France): The Disseminated MagmaticSn-Li-Ta-Nb-BeMineralization...VandoeuvreCedex,France CHRISTIAN MARIGNAC, C.tl.P.G.and E.N.S.Mines,Parcde Saurupt,54042 Nanc• Cedex,France AND...S.G.and C.tl.P.G., BP 20, 54501 VandoeuvreCedex,France Abstract The Beauvoirtopazlepidolitealbitegr...mineralogical,and geochemicalcharacteristicsof the Beauvoir granitecanbe explainedby extremefractionationof...Kovalenko, 1984), extreme fractional Central, the Beauvoir peraluminous granite is 0361-0128/92/1392/1766-2953 |  | Monnier, Loïs, Melleton, Jérémie, Vanderhaeghe, Olivier, Salvi, Stefano, Lach, Philippe, Bruguier, Olivier, Benmammar, Anissa, Bailly, Laurent, Béziat, Didier, Gloaguen, Eric (2021) Episodic Precipitation of Wolframite during An Orogen: The Echassières District, Variscan Belt of France. Minerals, 11 (9) 923 doi:10.3390/min11090923 | Journal (article/letter/editorial) | | Orogen: The Echassières District, Variscan Belt of France Loïs Monnier 1 , Jérémie Melleton 2 , Olivier Vanderhaeghe...Orogen: The Echassières District, Variscan Belt of France. Minerals 2021, 11, 923. https://doi.org/10.3390/...Toulouse, CNES, CNRS, IRD, UPS, 31400 Toulouse, France; loismonnier@yahoo.fr (L.M.); olivier.vanderhaeghe@get...Recherches Géologiques et Minières, 45000 Orléans, France; j.melleton@brgm.fr (J.M.); p.lach@brgm.fr (P.L... University of Montpellier, 34000 Montpellier, France; olivier.bruguier@gm.univ-montp2.fr Department |  | 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...km2. It consists mainly of quartz, perthitic K-feldspar, oligoclase (An10–12) and biotite. The second...rock-forming minerals include quartz, perthitic K-feldspar, sodic plagioclase (An0–2), biotite, and spessartine |  | | Journal (article/letter/editorial) | | 7327, 1A rue de la Férollerie, 45071 Orléans, France Received 23 October 2019; accepted in revised form...granitic mineral assemblage includes quartz, K-feldspar, albite, muscovite and accessory montebrasite...SA as a source of ceramic raw materials, and the quarry (on the northeastern part) provides a well exposed...discontinuously along the contact and mainly found in the quarry, consists in an alternation of different units (Fig...Pegmatitic zones consist of large phenocrysts of K-feldspar embedded in a 132 J.A.-S. Michaud, M. Pichavant |  | 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...alumina saturation index, i.e., the molar (Al/[Na + K]) ratio) are characterized by very high abundances...d'Analyse des Roches et des Minéraux, CRPG-CNRS, Nancy, France). Sample preparation, analytical conditions, and |  | | Journal (article/letter/editorial) | | magmatism is very rare in the European Variscan Belt. A quarry where this microgranite intrusion has been exploited...types of quartz veinlets: type I with quartz, K-feldspar ± amblygonite; and type II with quartz and wolframite...venas de cuarzo: El tipo I con cuarzo, feldespato K ± ambliogonita; y el tipo II con mineralización de...Variscan Belt, with key occurrences reported in Beauvoir in France (Cuney et al. 1992), Podlesi in the Czech...microgranite for the extraction of its lithium-enriched feldspar and quartz for the ceramic industry revealed the |  | Monnier, Loïs, Salvi, Stefano, Jourdan, Victor, Sall, Souleymane, Bailly, Laurent, Melleton, Jérémie, Béziat, Didier (2020) Contrasting fluid behavior during two styles of greisen alteration leading to distinct wolframite mineralizations: The Echassières district (Massif Central, France). Ore Geology Reviews, 124. 103648pp. doi:10.1016/j.oregeorev.2020.103648 | Journal (article/letter/editorial) | | mineralizations: the Echassières district (Massif Central, France) Loïs Monnier, Stefano Salvi, Victor Jourdan, Souleymane...mineralizations: the Echassières district (Massif Central, France), Ore Geology Reviews (2020), doi: https://doi...mineralizations: the Echassières district (Massif Central, France) Loïs Monniera, Stefano Salvia, Victor Jourdana...Toulouse, 14 avenue Edouard Belin, 31400 Toulouse, France b Bureau de Recherches Géologiques et Minières...(BRGM), 3 Avenue Claude Guillemin, 45000 Orléans, France Corresponding author: stefano.salvi@get.omp.eu |  | | Journal (article/letter/editorial) | | earlier data and that from similar rocks elsewhere (Beauvoir and Cinovec granites; Macusani glass). Ongonites...Ongonites are fluorine-rich peraluminous sodic two feldspar granitoids with orthoclase and albite phenocrysts...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...Amount Mineral Predominant quartz Substantial K-feldspar (orthoclase), albite, micas (muscovite, protolithionite |  | | Journal (article/letter/editorial) | | Poitiers, des Alterations (Received in Echassieres France MERCERON Laboratoire Hydrothermales, 40 Avenue...86022 Poitiers 20 August 1989 : Accepted Cedex, France. 20 November 1989) Abstract Lithium-bearing...Lithium-bearing donbassite and tosudite (Massif Central, France). The two minerals and Mg contents ; their structural...widely drill hole, G.P.F. the Beauvoir : micaschist France Beauvoir A scientific was sunk through...(0 to 98 m depth), albite -lepidolite granite (Beauvoir granite) containing Fig. 1 Li, Rb, F, Sn, Ta |  | | Journal (article/letter/editorial) | | oxides V. J o h a n and Z. J o h a n BRGM, Orl6ans, France With 7 Figures Received October 14, 1992; accepted...t i t u t i o n 2 W 6+ + Fe 3+ 3(Nb, Ta) 5+, t a k i n g place o n the B site, c a n be p r o p o s e...is c a l c u l a t e d o n the basis of 6 O, t a k i n g this Table 3. Microprobe analyses of W-rich...t i o [ ( F e + M n ) / ( N b + Ta)]at = 2/3. T a k i n g into a c c o u n t F e z+ a l o n e leads to...gave the general formula ABaO6, where A = Ca, Na, K, Ba, Pb, U, Th, Fe, Mn, Y, REE, and B = Nb, Ta, W |  | | Journal (article/letter/editorial) | | of quartz (25–30 vol%), perthite (45–55 vol%), K-feldspar (10–15 vol%), plagioclase (5 vol%), and minor...and 1–4 mm in size, with perthitic texture. The K-feldspar is also commonly subhedral and 2–4 mm in size...perthite. Graphic intergrowths of quartz and K-feldspar occur as vermicular to cu- neiform patterns...the Xiangshan complex. The occurrence of alkali-feldspar and sodic-amphibole (arfvedsonite) in the arfvedsonite...Type-1B zircon is usually intergrown with quartz, K-feldspar, and arfvedsonite (Fig. 3b), or is enclosed in |  | Breiter, K., Fryda, J., Seltmann, R., Thomas, R. (1997) Mineralogical Evidence for Two Magmatic Stages in the Evolution of an Extremely Fractionated P-rich Rare-metal Granite: the Podlesi Stock, Krusne Hory, Czech Republic. Journal of Petrology, 38 (12) 1723-1739 doi:10.1093/petroj/38.12.1723 | Journal (article/letter/editorial) | | moderate contents of P, F, and Li (0·5 wt % P2O5 in K-feldspar, 5–7 wt % F and 3 wt % Li2O in Li-mica). In contrast...show well-developed chemical zoning. The rims of K-feldspars are strongly enriched in phosphorus (up...means that, in addition to the granites in Beauvoir (France) and Argemela (Portugal), the Podlesı´ stock...metasomatism with hydrothermal element redistribution (Nova´k et al., 1996). During magma ascent or in situ, the...minor alteration. Because of the existence of a quarry and a number of deep drillholes a complete geological |  | | Journal (article/letter/editorial) | | CRPG-CNRS, BP 20, 54501 VANDOEUVRE-LES-NANCY CEDEX, FRANCE "CENTRO DE GEOLOGIA DA UNIVERSIDADE DO PORTO, PORTO...experimental studies, either amblygonite series. K-feldspar is noticeably absent or scarce. with additives...volatiles C/haiidej//watcr increases) and of the Na/K albite and phengite) and interpreted as feeders',...a few narrow cross-cutting veinlets with quartz, K-feld- solidus modification or to addition through...wide is encountered (bold outline in Fig. la). K-feldspar megacrysts, up to 100 mm in size, are sometimes |  | 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) | | date: 9 September 2019 Please cite this article as: K. Breiter, E. Badanina, J. Ďurišová, et al., Chemistry...were interpreted either as strongly metasomatized (K-feldspathised, greisenized) "rafts of pre-granitic...biotite granite with phenocrysts of perthitic K-feldspar up to 3 cm in size (sample X-343, Fig. 2a, 3a)...Porphyritic biotite granite with phenocrysts of K-feldspar and zoned plagioclase pr f al., 2001; Badanina...albite (An14–17 and 7–9) in the groundmass. Scarce K-feldspar phenocrysts are locally replaced by albite, biotite |  | | Journal (article/letter/editorial) | | Vandœuvre-lès-Nancy, France CNRS, CRPG, UMR 7358, BP 20, F-54501 Vandœuvre-lès-Nancy Cedex, France c Université...Université de Lorraine, CS 25233, F-54042 Nancy, France b a r t i c l e i n f o a b s t r a c t Article history:...leucosomes of migmatites from St Malo in Brittany (France) and Black Hills in South Dakota. The northern...UMR 7359, BP 239, F-54506 Vandœuvre-lès-Nancy, France. E-mail address: michel.cuney@univ-lorraine.fr...study (*) for samples with the code letter L. (ppm) K Ba Rb Sillimanite-garnet gneiss L176 35,184 91 |  | Galliski, M. A., Cerny, P., Marquez-Zavalia, M. F., Chapman, R. (2012) An association of secondary Al-Li-Be-Ca-Sr phosphates in the San Elias pegmatite, San Luis, Argentina. The Canadian Mineralogist, 50 (4) 933-942 doi:10.3749/canmin.50.4.933 | Journal (article/letter/editorial) | | kaolinite, quartz and minor lithian muscovite, K-feldspar (adularia) , and traces of residual microlite...zone has a medium to coarse grain-size, with K-feldspar, quartz, and platy albite as main minerals; pale...quartz with a few large euhedral crystals of K-feldspar. In the platy-albite-bearing core–margin assemblage...Alteration Products In the west wall of the main quarry of the northern part of the San Elías pegmatite...zone. The intermediate zone consists here of K-feldspar in coarse crystals, quartz, platy albite and |  | | Journal (article/letter/editorial) | | progressively enriched in H2O, F, P, Li, etc. Quartz, K-feldspar, Fe–Li mica and topaz bear evidence of multistage...fax: +420 251818748. E-mail address: breiter@cgu.cz (K. Breiter). 0024-4937/$ - see front matter D 2004 Elsevier...Explosive brecciation in a subvolcanic tin–granite 324 K. Breiter et al. / Lithos 80 (2005) 323–345 was recognised...bStockscheiderQ is an old German mining term for K-feldspar-dominated pegmatite at the upper contact of some...intrusive/explosive breccia, marginal pegmatite, feldspar- and zinnwalditedominated USTs, and late intra-dyke |  | Michaud, Julie Anne-Sophie, Gumiaux, Charles, Pichavant, Michel, Gloaguen, Eric, Marcoux, Eric (2020) From magmatic to hydrothermal Sn-Li-(Nb-Ta-W) mineralization: The Argemela area (central Portugal) Ore Geology Reviews, 116. 103215 doi:10.1016/j.oregeorev.2019.103215 | Journal (article/letter/editorial) | | UMR 7327, 1A rue de la Férollerie, 45071 Orléans, France * julie.michaud@outlook.fr ABSTRACT The Argemela...disseminated in evolved granitic stocks (e.g., Beauvoir: Cuney et al. 1992; Raimbault et al. 1995; review...2008) and in breccia pipes (e.g., Puy Les Vignes, France: Harlaux et al., 2015), among others. From a genetic...is very well exposed in a 120 x 80 m operating quarry at the top of the Argemela hill. It is noteworthy...date for the granite emplacement with 303 ± 6Ma (K-Ar muscovite, Noronha et al., 2013) and 326 ± 3Ma |  | Zhu, Jin-Chu, Li, Ren-Ke, Li, Fu-Chun, Xiong, Xiao-Lin, Zhou, Feng-Ying, Huang, Xiao-Long (2001) Topaz–albite granites and rare-metal mineralization in the Limu District, Guangxi Province, southeast China. Mineralium Deposita, 36 (5) 393-405 doi:10.1007/s001260100160 | Journal (article/letter/editorial) | | stockscheider and layered pegmatite± aplite dikes, to K-feldspar±quartz veins and lepidolite± ¯uorite stringers...area is 1.2 km2 (Fig. 2). YCIGMD (1980) published a K±Ar mica age of 185 Ma, and a U±Pb zircon age of 174...medium-grained (Li mica-) topaz±albite granite and K-feldspar±albite granite. It occurs as stocks and cuts...increasing Si, Na, atomic Na/K, Ta, Nb, Sn, F, Li, Rb and decreasing K and REE. In terms of modal composition...there is a tendency of decreasing content of K-feldspar and increasing content of albite and topaz. The |
|
