 | Van Lichtervelde, Marieke, GrandâHomme, Alexis, de Saint-Blanquat, Michel, Olivier, Philippe, Gerdes, Axel, Paquette, Jean-Louis, Melgarejo, Joan Carles, Druguet, Elena, Alfonso, Pura (2017) U-Pb geochronology on zircon and columbite-group minerals of the Cap de Creus pegmatites, NE Spain. Mineralogy and Petrology, 111 (1) 1-21 doi:10.1007/s00710-016-0455-1 | Journal (article/letter/editorial) | | and columbite-group minerals of the Cap de Creus pegmatites, NE Spain Marieke Van Lichtervelde 1 & Alexis...Alexis GrandâHomme 2 & Michel de Saint-Blanquat 1 & Philippe Olivier 1 & Axel Gerdes 3 & Jean-Louis Paquette...2016 # Springer-Verlag Wien 2016 Abstract The Cap de Creus granitic pegmatites in the eastern Catalan Pyrenees...Permian times in the Cap de Creus area. Keywords Geochronology . Pegmatites . Cap de Creus . Zircon . Columbite-group...1 GĂ©osciences Environnement Toulouse, UniversitĂ© de Toulouse, CNES, CNRS, IRD, UPS, 14 avenue Edouard |  | | Journal (article/letter/editorial) | | PEGMATITE FIELD AT CAP DE CREUS, CATALONIA, SPAIN Pura ALFONSO§ Escola PolitĂšcnica Superior de Manresa, Universitat...PolitĂšcnica de Catalunya. Av. De les Bases de Manresa 61â73, Eâ08242 Manresa, Barcelona, Spain Joan Carles...MELGAREJO Departament de Cristalâąlografia, Mineralogia i DipĂČsits Minerals, Universitat de Barcelona. C/ MartĂ...Barcelona, Spain Abstract The Cap de Creus LCT granitic pegmatites, in Catalonia, northeastern Spain, belong...replacement, Cap de Creus, Catalonia, Spain. Sommaire Les pegmatites granitiques de type LCT de Cap de Creus |  | | Journal (article/letter/editorial) | | Printed in Austria Nb-Ta-Minerals from the Cap de Creus pegmatite field, eastern Pyrenees: distribution...1Departament de Cristallografia, Mineralogia i Dip6sits Minerals, Universitat de Barcelona, Spain 2Department...N b - Ta-Minerale aus dem Pegmatit-Feld yore Cap de Creus, 6stliche Pyreni~en: Verteilung und geochemische...variation of N b - T a bearing minerals from the Cap de Creus pegmatite field: at the scale of pegmatite field...the scale of a single crystal. Although in the Cap de Creus only 2 pegmatite dikes were mined for micas |  | | Journal (article/letter/editorial) | | DOI: 10.3749/canmin.1400100 THE COMPOSITION OF GAHNITE IN GRANITIC PEGMATITES FROM THE PAMPEAN PEGMATITE...San MartĂn, 5500, Mendoza, Argentina ABSTRACT Gahnite from LCT granitic pegmatites of the Comechingones...proportions of endmembers (gahnite, hercynite, spinel, and galaxite) the composition of gahnite in these pegmatites...pegmatites. Gahnite from the Nancy pegmatite has higher Mg and Mn contents than gahnite from the pegmatites...pegmatite district. Chemical variation within gahnite crystals is characterized by higher Zn (âŒ2.8 wt |  | | Journal (article/letter/editorial) | | felsic dikes inferred from the composition of gahnite in two new occurrences, Pala Chief and Elizabeth...Abstract We report the occurrence and composition of gahnite ([Zn,Fe,Mg,Mn]Al2O4) in aplites of the Pala Chief...Accessory gahnite occurs as extremely fine-grained (50â250 ÎŒm) green to bluish-green crystals. Gahnite compositions...Ghn83.5â90.9Hc8.7â15Spl0â1.4. Zinc contents in gahnite are high (36.7â39.5 wt.% ZnO for Pala Chief, 37...the main substitution present (< 6.9 wt.% FeO). Gahnite is chemically zoned and characterized by higher |  | Beurlen, H., Thomas, R., Melgarejo, J. C., Da Silva, J. M. R., Rhede, D., Soares, D. R., Da Silva, M. R. R. (2013) Chrysoberyl-sillimanite association from the Roncadeira pegmatite, Borborema Province, Brazil: implications for gemstone exploration. Journal of GEOsciences, 58 (2) 79-90 | Journal (article/letter/editorial) | | SILVA1 1 2 3 4 * Departamento de Geologia, Universidade Federal de Pernambuco (UFPE), Rua AcadĂȘmico...Germany Department de Cristallografia, Mineralogia i DipĂČsits Minerals, Universitat de Barcelona, E-08013...E-08013 Barcelona, Spain Instituto Federal de Educação, CiĂȘncia e Tecnologia da ParaĂba (IFPB), R. Tranquilino...37°00 36°00 LEGEND 5°30 CENOZOIC Alluvium Jardim de Angicos Barreiras Sandstones MESOZOIC JandaĂra...fold axes Shear zones PicuĂ PicuĂ 6°30 1 Barra de 1 Sta Rosa Sta Luzia Cubati Equador SĂŁo Mamede |  | Galliski, M. A., Oyarzabal, J. C., Marquez-Zavalia, M. F., Chapman, R. (2009) THE ASSOCIATION QINGHEIITE - BEUSITE - LITHIOPHILITE IN THE SANTA ANA PEGMATITE, SAN LUIS, ARGENTINA. The Canadian Mineralogist, 47 (5) 1213-1223 doi:10.3749/canmin.47.5.1213 | Journal (article/letter/editorial) | | OYARZĂBAL Department of Geology, Universidad Nacional de San Luis, Chacabuco y Pedernera, (5700), San Luis...magnĂ©sien du groupe de la wyllieĂŻte dont les membres sont des phosphates de mĂ©taux de transition, et connue...province de San Luis, en Argentine, ainsi que dans le filon semblable Ă La Empleada; il sâagit de pegmatites...qingheĂŻite forme des veinules irrĂ©guliĂšres de granules ou des taches de couleur vert-jade foncĂ©, environ 0.5...5 cm en Ă©paisseur, dans un nodule de bĂ©usite interlaminĂ©e avec la lithiophilite. La formule empirique |  | Gonçalves, , Melgarejo, , Alfonso, , Amores, , Paniagua, , Neto, , Morais, , CamprubĂ, (2019) The Distribution of Rare Metals in the LCT Pegmatites from the GiraĂșl Field, Angola. Minerals, 9 (10) 580 doi:10.3390/min9100580 | Journal (article/letter/editorial) | | Departamento de Geologia, Faculdade de CiĂȘncias, Universidade Agostinho Neto, Av. 4 de Fevreiro 71, Caixa...) Departament de Mineralogia, Petrologia i ProspecciĂł GeolĂČgica, Facultat de CiĂšncies de la Terra, Universitat...Universitat de Barcelona, Carrer de MartĂ i FranquĂšs s/n, 08028 Barcelona, Spain; joan.carles.melgarejo...PolitĂšcnica de Catalunya, Avinguda de les Bases de Manresa 61â73, 08242 Manresa, Spain Departamento de Ciencias...Ciencias de la Tierra, Universidad de Zaragoza, Calle Pedro Cerbuna 12, 50009 Zaragoza, Spain; paniagua@unizar |  | | Journal (article/letter/editorial) | | intergrowths with quartz. Ferrocolumbite, monazite-(Ce), gahnite, molybdenite and ED magnetite are minor minerals...and translucent to transparent phases (ferroan gahnite, which has high relief, and glass, which is isotropic)...minerals from the border zone of the Cap de Creus beryl PT pegmatites, Spain, and the Koktokay pegmatite in...characterized by the appearance of CO2. Examples are the Cap de Creus beryl pegmatites referred to above (Alfonso...Research Council of Canada (NSERC) and the Fonds de recherche du QuĂ©bec nature et technologies (FQRNT) |  | | Journal (article/letter/editorial) | | minerals, pyrochlore-group minerals, ferrotapiolite, gahnite, zircon, fluorapatite, native bismuth and triplite...minor garnet, accessory beryl (aquamarine) and gahnite. The internal structure of the pegmatite is irregular;...very rare columbite, fluorapatite and zircon, gahnite is a typical minor accessory mineral. Deformation...BiTaO4 (BiMα), mimetite (AsLα), CaNb2O6 (CaKα), gahnite (ZnKα), stibiotantalite (SbLα), UO2 (UMα), tungsten...Scheibengraben pegmatite (cross-hatched): a) Cap de Creus, eastern Pyrenees (Alfonso et al., 1995); b) |  | | Journal (article/letter/editorial) | | albite, K-feldspar, columbiteâtantalite minerals, gahnite, electron microprobe, pegmatite evolution. 1....tourmaline, a tabular variety of albite, cassiterite, gahnite, columbiteâtantalite, rutile, uranium minerals...are from the OIZ, IIZa and Cc and tourmaline and gahnite were only found in the OIZ. The major elements...The analyses were carried out at LNEG, S. Mamede de Infesta, Portugal. Standards used include albite...pegmatite-aplite dike, USA (Morgan & London, 1999). 8. Gahnite Gahnite was rarely found in the OIZ and shows a darker |  | | Journal (article/letter/editorial) | | America. It contains two culminations, the Frenchman Cap in the north and the Thor-Odin in the south; both...Bismutotantalite Cassiterite HĂŒbnerite Qitianlingite Rutile Gahnite Iron oxides Manganese oxides Ca-hollandite? Nickel...Bismutotantalite Cassiterite HĂŒbnerite Qitianlingite Rutile Gahnite Iron oxides Manganese oxides Ca-hollandite? Nickel...K-feldspar. Similar results were reported from the Cap de Creus pegmatite field (mineralogically very similar...field is the FregenedaAlmendra pegmatite field of Spain and Portugal (Roda-Robles et al. 1999, Vieira et |  | | Journal (article/letter/editorial) | | Ă©valuĂ© la variation en composition chimique (donnĂ©es de microsonde Ă©lectronique pour 19 Ă©lĂ©ments) et en paramĂštres...Ă©chantillons naturels et chauffĂ©s) de minĂ©raux du groupe de la columbite provenant de 29 massifs pegmatitiques...pegmatitiques granitiques Ă Ă©lĂ©ments rares de la famille LCT provenant de la province PampĂ©enne dâArgentine. En gĂ©nĂ©ral...gĂ©nĂ©ral, ces minĂ©raux vont de ferrocolumbite Ă manganotantalite; en termes du quadrilatĂšre FeNb2O5âFe...FeNb2O5âFeTa2O5âMnNb2O5âMnTa2O5, les tracĂ©s de fractionnement sont obliques, orientĂ©s vers le haut, bifurquĂ©s ou |  | | Journal (article/letter/editorial) | | Street, Montreal, Quebec H3A 2A7, Canada Caterina DE VITO¶ Dipartimento di Scienze della Terra, UniversitĂ ...systĂšme de classification des pegmatites granitiques actuellement en vogue est largement dĂ©rivĂ© de la classification...classification des granites selon la profondeur de leur mise en place. Nous proposons comme alternative...rĂ©cemment dĂ©crite de pegmatites anatectiques Ă corindon, formĂ©es dans les massifs de lherzolite ayant...plupart des venues de pegmatite sont le produit du fractionnement dâun volume important de magma. Nous considĂ©rons |  | HoĂżm de Marien, Luc, Le Bayon, Benjamin, Pitra, Pavel, Van Den Driessche, Jean, Poujol, Marc, Cagnard, Florence (2019) Twoâstage Variscan metamorphism in the Canigou massif: Evidence for crustal thickening in the Pyrenees. Journal of Metamorphic Geology, 37 (6) 863-888 doi:10.1111/jmg.12487 | Journal (article/letter/editorial) | | thickening in Accepted Article the Pyrenees Luc de HoĂżm de Marien1, Benjamin Le Bayon2, Pavel Pitra1,3,...Rennes - UMR 6118, F-35000 Rennes, France 2 Bureau de Recherches GĂ©ologiques et MiniĂšres â BRGM â 3 avenue...affects the overlying low-grade metamorphic rocks (De Sitter & Zwart, 1960; Zwart, 1979). This vertical...decompression (BossĂČst, Mezger et al., 2004; Roc de France, Aguilar et al., 2015). Importantly, although...GarcĂaâSansegundo, & MartĂnez, 2018). Partial melting in the Roc de France massif is poorly constrained by U-Pb ages |  | 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 MineralogĂa y GeologĂa âDr. A. Stelznerâ, F.C.E.F y N., Universidad Nacional de CĂłrdoba,...Virorco dumortierite-bearing pegmatite dikes, in Sierra de San Luis, Eastern Pampean Ranges of central Argentina... columbite-(Mn) to tantalite-(Mn), pollucite, gahnite, zircon, uraninite and thorite. Holmquistite was...VP2O7 (V), chromite (Cr), pentlandite (Ni) and gahnite (Zn). Other microprobe analyses were performed... vanadinite (V), benitoite (BaLb), NaCl (Cl), gahnite (Zn) and metallic Ni (Ni). The positive correlation |  | | Journal (article/letter/editorial) | | monometamorphic event, such as in the Lys-Caillaouas (de Bresser et al., 1986), Canig o (Azambre & Guitard...Carboniferous granitoids ean Atlantic Oc de Frausa, Alberes and Cap de Creus (Guitard, 1965; Gibson, 1989; Kriegsman...rra dite Sea Me 2° NPF 43° n Axial Zone Spain Lesponne 43° Pamplona BossĂČst NPF B 50 km...Hospitalet Gavarnie Lys-Caillaouas Albera Cap de Creus MLA Neoproterozoic-Carboniferous metasedimentary...medium- to high-grade 0° Perpignan Q Canigou Roc de Frausa South Pyre nean Zone 2° Fig. 1. The geological |  | Suo, Qingyu, Shen, Ping, Luo, Yaoqing, Li, Changhao, Feng, Haoxuan, Cao, Chong, Pan, Hongdi, Bai, Yingxiong (2022) Beryl Mineralogy and Fluid Inclusion Constraints on the Be Enrichment in the Dakalasu No.1 Pegmatite, Altai, NW China. Minerals, 12 (4) 450 doi:10.3390/min12040450 | Journal (article/letter/editorial) | | cryolite (Crl) in berylof IIaCO (20DK1-4); (i) Solid gahnite (Ghn) inclusion 2 is 20%~50%. at the edge(h) of...(Crl) inclusion in beryl IIa (20DK1-4); (i) Solid gahnite (Ghn) inclusion in in beryl IIa The solid inclusions...inclusions are identified as cryolite and gahnite (Figure 7h,i) on the basis of beryl IIa (20DK1-3). their...solid inclusion hosted by beryl II and quartz; (d) Gahnite solid inclusion CO CH Cryolite solid inclusion...inclusion hosted by beryl II and quartz; (d) Gahnite solid inclusion 2 andby 4 ; (c)II. hosted beryl hosted by |  | Cugerone, Alexandre, Oliot, Emilien, Chauvet, Alain, GavaldĂ Bordes, Jordi, Laurent, AngĂšle, Le Goff, Elisabeth, Cenki-Tok, BĂ©nĂ©dicte (2018) Structural Control on the Formation of Pb-Zn Deposits: An Example from the Pyrenean Axial Zone. Minerals, 8 (11) 489 doi:10.3390/min8110489 | Journal (article/letter/editorial) | | GĂ©osciences Montpellier, UMR CNRS 5243, UniversitĂ© de Montpellier, Place E. Bataillon, CC 60, 34095 Montpellier...Generau dâAran, Vielha, 25530 Lleida, Spain; j.gavalda@aran.org Bureau de Recherches GĂ©ologiques et MiniĂšres...Territorial Direction Languedoc-Roussillon, 1039 Rue de Pinville, 34000 Montpellier, France; e.legoff@brgm...district, see Figure and (3) Pale Bidau-Argut-Pale de Rase see Figure 6. Pb-Zn deposits are numbered as...as follows: 5; and (3) Pale Bidau-Argut-Pale de district, Rase district, see Figure 6. Pb-Zn deposits |  | | Journal (article/letter/editorial) | | chrysoberyl Trace beryl Amethyst Minor chrysoberyl, gahnite Amethyst Amethyst (x) (x) X X X (x) X (x)...(x) (x) (x) Topaz, triplite Gahnite Lithiophilite, montebrasite Gahnite, montebrasite (x) X X X X X...Nb), CaTa4O11 (Ta), Sc2TiO5 (Sc), and SnO2 (Sn), gahnite (Zn), apatite (P, F) and scapolite (Cl). Data reduction...Dakota, Shearer et al. 1987; Albuquerque Batholith, Spain, London et al. 1999; Kymi stock, Finland, Haapala...muscovite in granitic pegmatite from the Cap de Creus field, Catalonia, Spain. Canad Mineral 41: 103â116 Anders |  | SĂĄnchez-Muñoz, Luis, MĂŒller, Axel, AndrĂ©s, Sol LĂłpez, Martin, Robert F., Modreski, Peter J., de Moura, Odulio J.M. (2017) The PâFe diagram for K-feldspars: A preliminary approach in the discrimination of pegmatites. Lithos, 272. 116-127 doi:10.1016/j.lithos.2016.10.030 | Journal (article/letter/editorial) | | Robert F. Martin, Peter J. Modreski, Odulio J.M. de Moura PII: DOI: Reference: S0024-4937(16)30370-X...Sol LoÌpez, Martin, Robert F., Modreski, Peter J., de Moura, Odulio J.M., The P-Fe diagram for Kfeldspars:...Norway. Facultad de Ciencias GeolĂłgicas, Universidad Complutense de Madrid, E-28040, Spain. MA e Natural... c d SC Instituto de CerĂĄmica y Vidrio â CSIC, Kelsen 5, E-28049 Madrid, Spain,*lsm@icv.csic.es Earth...TE g D a RI Peter J. Modreskif, Odulio J.M. de Mourag Pegmatites are extremely coarse-grained and |  | | Journal (article/letter/editorial) | | batholith in the NavasfrıÌas Sn-W District, Salamanca, Spain T. LLORENS* AND M. C. MORO Department of Geology...University of Salamanca, Plaza de los CaıÌdos s/n, 37008 Salamanca, Spain [Received 19 January 2011; Accepted...Bouchot, 2005) and the Bearitz district in northern Spain (Gloaguen, 2006). The NavasfrıÌas district is located...and Grundvig, 2000). Similar granitic bodies in Spain include the Pedrobernardo pluton (Bea et al., 1994)...noted at other pegmatites including those at Pinilla de Fermoselle (Roda-Robles et al., 1998). Zonation patterns |  | | Journal (article/letter/editorial) | | Departamento de PetrologĂa y GeoquĂmica, Facultad de Ciencias GeolĂłgicas, Universidad Complutense de Madrid...c/ JosĂ© Antonio Novais 12, 28040 Madrid, Spain 2 Instituto de Geociencias IGEO (UCM, CSIC), c/ JosĂ© Antonio...Madrid, Spain 3 Centro Nacional de MicroscopĂa. Universidad Complutense de Madrid, 28040 Madrid, Spain Abstract...area: the Spanish Central System (SCS) and the Montes de Toledo (MT) batholiths, this last in the southern...and a complex accessory mineral association of gahnite, chrysoberyl, and beryl in the BelvĂs leucogranites |  | | Journal (article/letter/editorial) | | SARDI Instituto Superior de CorrelaciĂłn GeolĂłgica (INSUGEO) - Consejo Nacional de Investigaciones CientĂficas...TecnolĂłgicas (CONICET), Miguel Lillo 205 (4000), San Miguel de Tucuman, Argentina ADRIANA HEIMANN§ Department of...axes not surpassing 200 m (Sardi 2005). The Cuesta de Huaco pegmatite is a small lenticular dike with a...general, the pegmatites, with the exception of Cuesta de Huaco, have simple zoning consisting of a border...Laboratory of Petrology of the Instituto Superior de CorrelaciĂłn GeolĂłgica (INSUGEO; TucumĂĄn, Argentina) |  | | Journal (article/letter/editorial) | | limit of the Big Whopper pegmatite system is not deÂźnitively established due to poor exposure. It is...nigerite (Zn,Fe2 ) (Sn,Zn)2(Al,Fe3 )12O22(OH)2, gahnite, ferrowodginite, ferrotapiolite, ferrocolumbite...individual crystals. Normal and reverse zoning are deÂźned as follows: the crystal exhibits normal zonation...zoning is reversed (Lahti, 1987). The basis of the deÂźnition is the geochemical evidence that Ta is generally...describing a suite of beryl-columbite pegmatites from Cap de Creus, eastern Pyrenees, note an absence of metamorphic |
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