 | | Journal (article/letter/editorial) | | Street, Montreal, Quebec H3A 2A7, Canada Caterina DE VITO¶ Dipartimento di Scienze della Terra, Università...système de classification des pegmatites granitiques actuellement en vogue est largement dérivé de la classification...classification des granites selon la profondeur de leur mise en place. Nous proposons comme alternative...récemment décrite de pegmatites anatectiques à corindon, formées dans les massifs de lherzolite ayant...plupart des venues de pegmatite sont le produit du fractionnement d’un volume important de magma. Nous considérons |  | | Journal (article/letter/editorial) | | and Frédéric HATERT§ Laboratoire de Minéralogie, B18, Université de Liège, B-4000 Liège, Belgium Simon...naturelle, Rue Münster 25, L–2160 Luxembourg, Grand-Duché de Luxembourg Abstract The Sapucaia pegmatite is located...pegmatite, Minas Gerais, Brazil. Sommaire La pegmatite de Sapucaia se trouve dans la province pegmatitique...Minas Gerais, Brésil. Une cartographie détaillée de la pegmatite nous a permis d’identifier cinq zones...distinctes: une zone de bordure (BZ), une zone de mur externe (EWZ), une zone de mur interne (IWZ), une |  | | Journal (article/letter/editorial) | | located between the Archean-Paleoproterozoic Río de la Plata craton to the east and the Grenville Cuyania-Precordillera...is located in the northern portion of the Sierras de San Luis (Fig. 1; Galliski 1999b, Galliski et al...the northern end of the Sierra de los Comechingones of the Sierras de Córdoba, Argentina (Fig. 1; Galliski...2010, Morteani et al. 2012). Comechingones Co. de Agustín 5 300 Tabular Concordant Augen-gneiss Guacha...Corral Shear Zone MS-REL – Li (LCT) Comechingones Co. de Agustín Sin Nombre Comechingones Co. Redondo Magdalena |  | | Journal (article/letter/editorial) | | lepidolite subtypes. Detailed study of tourmaline (dravite, schorl, fluor-elbaite, Mn-rich elbaite), cordierite-sekaninaite...America. It contains two culminations, the Frenchman Cap in the north and the Thor-Odin in the south; both...most common tourmaline in the study area is black dravite-schorl which ranges from very fine (<1 mm) at the...was found in the core zones of the CORD (blue dravite), GARPHOS (black schorl with blue, green, and colorless...pegmatites ranges from Fe-rich dravite to Al-rich schorl; locally, Ca-rich dravite and uvite were observed at |  | Galliski, M. A., Marquez-Zavalia, M. F., Lira, R., Cempirek, J., Skoda, R. (2012) Mineralogy and Origin of the Dumortierite-Bearing Pegmatites of Virorco, San Luis, Argentina. The Canadian Mineralogist, 50 (4) 873-894 doi:10.3749/canmin.50.4.873 | Journal (article/letter/editorial) | | CONICET, Museo de Mineralogía y Geología “Dr. A. Stelzner”, F.C.E.F y N., Universidad Nacional de Córdoba,...Virorco dumortierite-bearing pegmatite dikes, in Sierra de San Luis, Eastern Pampean Ranges of central Argentina...in the different pegmatitic zones, ranging from dravite-rich compositions to rossmanite, passing through...predominantly of tourmaline (zoned crystals of dravite–schorl) and fluorapatite, whereas in the dike,...the core zone. From the host rock inward, the dravite Tur I in the exocontact and the border zone features |  | | Journal (article/letter/editorial) | | of quartz-rich pods. Black tourmaline (schorl–dravite) and almandine-rich garnet are common accessory...quartz and amethyst may also occur. Tourmaline (dravite, schorl and foitite), almandine and spessartine...common tourmaline species are schorl and elbaite; dravite and foitite are rare. Tourmaline from the simple...considerable etching effects. Crystals of brown dravite commonly occur at the margins of xenoliths and...contacts, except at the Songo Pond pegmatite, where dravite is unrelated to any xenoliths or contacts. Foitite |  | Zhou, Qifeng, Qin, Kezhang, Tang, Dongmei, Wang, Chunlong, Tian, Ye, Sakyi, Patrick Asamoah (2015) Mineralogy of the Koktokay No. 3 pegmatite, Altai, NW China: implications for evolution and melt–fluid processes of rare-metal pegmatites. European Journal of Mineralogy, 27 (3) 433-457 doi:10.1127/ejm/2015/0027-2443 | Journal (article/letter/editorial) | | in this study are black tourmalines, which are dravite (G1) and schorl (G3) in the border zone, black...in the border zone and zone II are homogeneous dravite and schorl crystals, respectively (Fig. 3a and...tourmalines from the Koktokay No. 3 pegmatite. a, dravite (G1) in association with garnet and quartz from...VIII. Ab, albite; Qz, quartz; Grt, garnet; Drv, dravite; Srl, schorl; Elb, elbaite; Rsm, rossmanite. (online...Tourmaline The species found in tourmaline samples are dravite (the border zone), schorl (the border zone and |  | | Journal (article/letter/editorial) | | (solid-solution series) dominated either by schoerl or by dravite (1.7 at% Fe and 5.3 at% Mg). In a garnet-enriched...those reported from the Variscan pegmatites in Spain (Alfonso et al., 2003). It correlates with a wide...muscovite in granitic pegmatite from the Cap de Creus Field, Catalonia, Spain. Canadian Mineralogist 41, 103–116...associations in the Cañada pegmatite Salamanca, Spain. Paragenetic relationships, chemical compositions |  | Hulsbosch, Niels, Hertogen, Jan, Dewaele, Stijn, André, Luc, Muchez, Philippe (2014) Alkali metal and rare earth element evolution of rock-forming minerals from the Gatumba area pegmatites (Rwanda): Quantitative assessment of crystal-melt fractionation in the regional zonation of pegmatite groups. Geochimica et Cosmochimica Acta, 132. 349-374 doi:10.1016/j.gca.2014.02.006 | Journal (article/letter/editorial) | | collisional belt of Zambia during Rodinia amalgamation (De Waele et al., 2008). The morpho-structural shaping...Günther, 1991; Pohl, 1994; Romer and Lehmann, 1995; De Clercq et al., 2008; Dewaele et al., 2010; Pohl et...muscovite pegmatites (F = 0.92–0.98); and apatite in de mineralised pegmatites (F > 0.98). (A) K-feldspar...melt, the composition of tourmaline evolves from dravite- to schorl-rich. The stability of schorl depleted...zoned rare-element pegmatite field at Cap de Creus, Catalonia, Spain. Can. Mineral. 46, 597–617. Alfonso |  | | Journal (article/letter/editorial) | | from France, Finland, Germany, Namibia, Rwanda, Spain and the Czech Republic (Čech et al., 1961; Fransolet...Pleystein show a preferred orientation of tourmaline (dravite–schorl) in their marginal garnet-tourmaline zones...mobilizate showing a preferred orientation of dravite–schorl s.s.s. within the marginal tourmaline-garnet...2 (PO4)2(OH)2·6(H2O) Cu(UO2)2(PO4)2·8 12(H2O) dravite-schorl LiFe2+PO4 (Mn,Fe2+)2(PO4)(OH) AlPO4·2(H2O)...Draper, J.C. (1995) Nb Ta-minerals from the Cap de Creus pegmatite field, eastern Pyrenees: distribution |  | | Journal (volume) | | explosive summit eruption started beneath an ice-cap with an eruption column occasionally rising as high...Biogéochimie et Géochimie Expérimentale, LMTG-Université de Toulouse-CNRS-IRD-OMP, Toulouse, France Life as we...Caracas, Venezuela 7 Universidad Complutense, Madrid, Spain Limestones are widely used as absorbents in various...patterns of polycrystalline samples Becker, M.1*, de Villiers, J.P.R.2 & Bradshaw, D.J.3 Centre for Minerals...Alvarez-Lloret, P. Dpto. de Mineralogía y Petrología, Universidad de Granada, Spain (*anava@ugr.es) 1 The |  | | Book | | oxide is not yet fully known. Zeolite Pegmatites (43a DE) Tschernich (1992) gave a detailed account on zeolitization...columbite evolving in the aftermaths of schorl or dravite. The elements are arranged in the order of decreasing...beryl, brazilianite, columbite-(Mn), cookeite, dravite, elbaite (“rubellite, indigolite, verdelite”),...manganocolumbite, datolite, bavenite, tourmaline (schorl, dravite, elbaite), garnet Tourmaline, inclusions of chromite...danalite, biotite, ilmenite, muscovite, schorl–dravite, dravite Alkali feldspar, zinnwaldite, protolithionites |
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