 | Mall�, A., Fontan, F., Melgarejo, J. C., Mata, J. M. (1995) The Albera zoned pegmatite field, Eastern Pyrenees, France. Mineralogy and Petrology, 55 (1) 103-116 doi:10.1007/bf01162582 | Journal (article/letter/editorial) | | in Austria The Albera zoned pegmatite field, Eastern Pyrenees, France A. Mall61, F. Fontan 2, J.-C....Min6ralogie, Universit6 Paul Sabatier, Toulouse, France 3 Departament d'Enginyeria Minera i Recursos Naturals...Summary Four types of pegmatites comprise the zoned pegmatite feld in the eastern sector of the Albera Massif...graphite in the late pegmatite units and in the host-rock. The individual pegmatite types are distributed...subparallel zones concentric around anatectic muscovite-biotite leucogranites, with type I within the granites |  | | Journal (article/letter/editorial) | | FLUID EVOLUTION IN THE ZONED RARE-ELEMENT PEGMATITE FIELD AT CAP DE CREUS, CATALONIA, SPAIN Pura ALFONSO§...inclusions have been studied in all these types of pegmatite to determine the nature of the fluids involved...formed albite veins and circulated throughout the pegmatite, owing to the development of a network of fractures...alteration that affected the previously formed pegmatite units. In addition, in albite pegmatites, late...direct information on the pegmatite-forming fluids and conditions of pegmatite formation. The coexistence |  | Van Lichtervelde, Marieke, Grand’Homme, 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) | | the different pegmatitic pulses. In a type III pegmatite where zircon and CGM are co-genetically associated...Toulouse, France 2 ISTerre, Université Grenoble, 1381 Rue de la Piscine, BP 53, 38041 Grenoble, France Introduction...Pascal, CNRS, IRD, BP 10448, 63000 Clermont-Ferrand, France 5 Departament de Cristal·lografia, Mineralogia...as Li M. Van Lichtervelde et al. and the high field strength elements Nb-Ta and Sn (Linnen et al. 2012)...(e.g., Aguilar et al. 2014). The peraluminous pegmatite swarm that crops out in the Cap de Creus area |  | Lira, R., Galliski, M. A., Bernard, F., Roquet, M. B. (2012) The Intragranitic Potrerillos NYF Pegmatites and Their a-Type Host Granites of the las Chacras - Potrerillos Batholith, Sierra de San Luis, Argentina. The Canadian Mineralogist, 50 (6) 1729-1750 doi:10.3749/canmin.50.6.1729 | Journal (article/letter/editorial) | | granitic pegmatites, in the Sierras Pampeanas Orientales of San Luis Province, Argentina, consist of mediumsized...fluorite. The pegmatite-forming minerals are quartz, microcline and albite, with accessory biotite, muscovite...Potrerillos batholith, described as biotite porphyritic granite, biotite-bearing equigranular red granite...range 1 to 1.07); the least evolved porphyritic biotite granites of the Las Chacras pluton are depleted...strongly depleted, more accentuated in less evolved biotite porphyritic facies, likely reflecting garnet retained |  | | Journal (article/letter/editorial) | | AND EVOLUTION OF MICAS IN THE BARROSO–ALVÃO PEGMATITE FIELD, NORTHERN PORTUGAL Tânia MARTINS§ Geology Centre...IRD Observatoire Midi-Pyrénées, 14, avenue Edouard Belin, F–31400 Toulouse, France Abstract Micas from...granitic pegmatites found in the Barroso–Alvão pegmatite field and the Cabeceiras de Basto granite present...paragenesis. This pegmatite field in northern Portugal has numerous and varied aplite–pegmatite intrusions as...as well as diverse granitic bodies. The pegmatite bodies vary from barren to Li-rich ones with spodumene |  | Hatert, F., Roda-Robles, E., de Parseval, P., Wouters, J. (2012) ZAVALIAITE, (Mn2+,Fe2+,Mg)3(PO4)2, A NEW MEMBER OF THE SARCOPSIDE GROUP FROM THE LA EMPLEADA PEGMATITE, SAN LUIS PROVINCE, ARGENTINA. The Canadian Mineralogist, 50 (6) 1445-1452 doi:10.3749/canmin.50.6.1445 | Journal (article/letter/editorial) | | OF THE SARCOPSIDE GROUP FROM THE LA EMPLEADA PEGMATITE, SAN LUIS PROVINCE, ARGENTINA Frédéric HATERT§...IRD–GET, 14 Avenue Edouard Belin, F–31400 Toulouse, France Johan WOUTERS Laboratoire de Chimie Biologique...sarcopside and chopinite. It occurs at the La Empleada pegmatite, San Luis Province, Argentina. Zavalíaite forms...la chopinite. Le minéral a été trouvé dans la pegmatite de La Empleada, province de San Luis, Argentine...08, total 99,49. La formule empirique, calculée sur la base de huit atomes d’oxygène, est (Mn2+1,31Fe2+1 |  | | Journal (article/letter/editorial) | | be summarised as follows: (a) The rare-metal pegmatite types succeed each other in a more or less defined...(b) The spatial distribution of the rare-metal pegmatite types in or around the granitic intrusions depends...different pegmatite types to the granitic contacts as well as by the dimensions of the pegmatite types and...comparison of Central and West African raremetal pegmatite type classification with similar classifications...granitic intrusions. L'auteur r6sume ses observations sur les pegmatites ~ m&aux rares du centre et de l'ouest |  | | Journal (article/letter/editorial) | | category of corundum-bearing anatectic felsic pegmatite formed in mantle peridotite earlier subjected...overprint by a mixed H2O + CO2 fluid. The bulk of the pegmatite bodies encountered are not obviously of anatectic...an LCT pegmatite also being affected by an LCT-type overprint, to form a “super-LCT pegmatite” is explored...economic potential of pegmatite occurrences. Keywords: granitic pegmatite, felsic pegmatite, classification...proposons comme alternative une classification fondée sur les processus pétrogénétiques responsables, et nous |  | Melleton, J., Gloaguen, E., Frei, D., Novak, M., Breiter, K. (2012) HOW ARE THE EMPLACEMENT OF RARE-ELEMENT PEGMATITES, REGIONAL METAMORPHISM AND MAGMATISM INTERRELATED IN THE MOLDANUBIAN DOMAIN OF THE VARISCAN BOHEMIAN MASSIF, CZECH REPUBLIC?. The Canadian Mineralogist, 50 (6) 1751-1773 doi:10.3749/canmin.50.6.1751 | Journal (article/letter/editorial) | | Université d'Orléans, ISTO, UMR 7327, F–45071 Orléans, France Dirk FREI¶ Stellenbosch University, Department...rare-element pegmatites, belonging to different pegmatite fields, have been obtained by the LA–SF–ICP–MS...exhumation of high-pressure rocks. Keywords: LCT pegmatite, rare-element-enriched magma, columbite–tantalite...situ par la méthode LA–SF–ICP–MS ont été réalisées sur des grains de columbite et de tantalite issus des...haute pression. Mots-clés: pegmatite LCT, magmatisme à éléments rares, datation sur columbite–tantalite, technique |  | | Journal (article/letter/editorial) | | Austria Nb-Ta-Minerals from the Cap de Creus pegmatite field, eastern Pyrenees: distribution and geochemical...mineralogy facilitate distinction of four main pegmatite types at the eastern end of the Pyrenees. Three...trend, with similar enrichment toward the late pegmatite units; a single-crystal trend, with zoning related...expected for a beryl-columbite pegmatite type. In a single pegmatite, the evolution depends on the simultaneous...group end members and re-equilibria with late pegmatite fluids. Zusammenfassung N b - Ta-Minerale aus |  | | Journal (article/letter/editorial) | | 5563, Observatoire Midi-Pyrénées, 14, avenue Edouard Belin, F–31400 Toulouse, France Abstract A sample from...from the Koktokay No. 3 granitic pegmatite, Altai Mountains, northwestern China, which shows a transition...crystal chemistry. Sommaire Un échantillon de la pegmatite Koktokay No. 3, Altaï, République populaire de...Chine, a été étudié par diffraction des rayons X sur monocristaux, et a fait l’objet d’analyses chimiques...100,000 pegmatite dykes occur in the Chinese Altai pegmatite field; the Koktokay No. 3 pegmatite is one |  | | Journal (article/letter/editorial) | | UMR 7327, 3 av. Claude Guillemin, 45060 Orléans, France; NU s.deveaud@brgm.fr CNRS/ISTO, UMR 7327, 1A...1A rue de la Férollerie, 45071 Orléans, France c Université d’Orléans, ISTO, UMR 7327, 1A rue de la...la Férollerie, 45071 Orléans, MA b ED France Corresponding author AC DEVEAUD Sarah CE * PT ...unit, 3 avenue Claude Guillemin, 45060 Orléans, France, (+33) 2 38 64 46 87 Manuscript submitted to Chemical...Isotopic compositions in the Monts d’Ambazac Pegmatite Field (French Massif Central) RI P T exhibit a |  | Gonçalves, , Melgarejo, , Alfonso, , Amores, , Paniagua, , Neto, , Morais, , Camprubí, (2019) The Distribution of Rare Metals in the LCT Pegmatites from the Giraúl Field, Angola. Minerals, 9 (10) 580 doi:10.3390/min9100580 | Journal (article/letter/editorial) | | Rare Metals in the LCT Pegmatites from the Giraúl Field, Angola Antonio Olimpio Gonçalves 1 , Joan-Carles...Abstract: The Giraúl granitic pegmatite field in Angola is composed of five pegmatite types, the most evolved...pegmatites are rich in Nb-Ta oxide minerals and the field has a moderate interest for critical elements such...the evolution of the pegmatites and within each pegmatite body from border to inner zones, and especially...minerals is quite characteristic in granites and pegmatite rocks and gives us information about their petrogenesis |  | | Journal (article/letter/editorial) | | of phosphates from the Fregeneda-Almendra pegmatite field, Central Iberian Zone (Spain and Portugal)...reflect compositional differences depending on the pegmatite type. The Fe/(Fe+Mn) ratio of phosphates tends...identified new phosphates and other types of pegmatite where phosphates are common (Roda et al. 2007)...Roda-Robles et al. Fig. 1 Distribution of the pegmatite types in the Fregeneda-Almendra area. Legend:...17—sillimanite isograd; 18—andalusite isograd; 19—biotite isograd the Variscan deformation: (1) pre- to |  | Martins, T., Lima, A., Simmons, W. B., Falster, A. U., Noronha, F. (2011) GEOCHEMICAL FRACTIONATION OF Nb-Ta OXIDES IN Li-BEARING PEGMATITES FROM THE BARROSO-ALVAO PEGMATITE FIELD, NORTHERN PORTUGAL. The Canadian Mineralogist, 49 (3) 777-791 doi:10.3749/canmin.49.3.777 | Journal (article/letter/editorial) | | Li-BEARING PEGMATITES FROM THE BARROSO–ALVÃO PEGMATITE FIELD, NORTHERN PORTUGAL Tânia MARTINS§ Geology Centre...Portugal Abstract The Barroso–Alvão granitic pegmatite field, located in northern Portugal, is known for...petalite-bearing bodies. Recent work on this pegmatite field characterized other types of pegmatites, and...fractionation trend starts in the Mn-poor columbite-(Fe) field (spodumene pegmatites) toward Mn- and Ta-enrichment...Keywords: columbite-group minerals, Nb–Ta oxides, pegmatite, fractionation, lithium, Barroso–Alvão, Portugal |  | | Journal (article/letter/editorial) | | of micas from the Fregeneda-Almendra pegmatitic field (Central-Iberian Zone, Spain and Portugal) Romeu...Vasco/EHU, Apdo. 644, 48080 Bilbao, Spain 2 abstRact Field, textural, paragenetic, and chemical data for micas...pegmatites of the Fregeneda-Almendra pegmatitic field (Central-Iberian Zone) are used to characterize...pegmatites. Representative micas from the different pegmatite types and from the leucogranite were analyzed...elements from the pegmatite melt into the minerals and volatile phases. However, some pegmatite types occurring |  | | Journal (article/letter/editorial) | | Brunswick pegmatite field and the Central Maine Synclinorium of the Oxford pegmatite field, in Maine...characteristics (e.g., Topsham area of the Brunswick pegmatite field). Significant chemical-compositional and structural...and Oxford pegmatite fields. Columbite-group minerals from the Brunswick pegmatite field mainly consist...contents. By comparison, pegmatites from the Oxford field carry columbite-(Fe), columbite-(Mn) and tantalite-(Mn)...structural state of CGM from the Brunswick pegmatite field ranges from highly cation-disordered to cation-ordered |  | | Journal (article/letter/editorial) | | Fertile granites of Precambrian rare-element pegmatite fields" is geochemistry controlled by tectonic...Fertile granites of Precambrian rare-element pegmatite fields: is geochemistry controlled by tectonic...twenty fertile granites and their rare-element pegmatite aureoles was examined to correlate their tectonic... Tectonic control on geochemistry of granite-pegmatite suites is poor and secondary to the fundamental...genetically conditioned twofold subdivision of pegmatite categories: (i) A broadly diversified spectrum |  | | Journal (article/letter/editorial) | | Mica-liquid trace elements partitioning and the granite-pegmatite connection: The St-Sylvestre complex (Western...Mica-liquid trace elements partitioning and the granite-pegmatite connection: The St-Sylvestre complex (Western...7327, 45071, Orléans, France ; CNRS, ISTO, UMR 7327, 45071 re Orléans, France ; BRGM, ISTO, UMR 7327...7327, BP 36009, 45060 Orléans, France Jo ur na lP *arnaudvillaros@gmail.com Submission to Chemical... Keywords: granite-pegmatite connection, granitic melt composition, LCT pegmatite, mica crystallization |  | Novak, M., Skoda, R., Gadas, P., Krmicek, L., Cerny, P. (2012) Contrasting Origins of the Mixed (NYF + LCT) Signature in Granitic Pegmatites, with Examples from the Moldanubian Zone, Czech Republic. The Canadian Mineralogist, 50 (4) 1077-1094 doi:10.3749/canmin.50.4.1077 | Journal (article/letter/editorial) | | Li-bearing (lithium micas + elbaite) Kracovice pegmatite, with “amazonite”, samarskite and fergusonite...is the product of the strong fractionation of pegmatite-forming melt derived from the orogenic I-type...granite– pegmatite system of the Třebíč pluton and the mainly Li-bearing Kracovice pegmatite are typical...petrogenetic family. The contaminated elbaite-subtype pegmatite Bližná I, Český Krumlov Unit, with lithium tourmalines...contamination with Ca, Mg and REE of an evolved (LCT) pegmatite-forming melt by distal carbonatite-like marbles |  | Popova, V. I., Popov, V. A., Sokolova, E. V., Ferraris, G., Chukanov, N. V. (2002) Kanonerovite, MnNa3P3O10·12H2O, first triphosphate mineral (Kazennitsa pegmatite, Middle Urals, Russia) Neues Jahrbuch für Mineralogie - Monatshefte, 2002 (3) 117-127 doi:10.1127/0028-3649/2002/2002-0117 | Journal (article/letter/editorial) | | 12H2O, first triphosphate mineral (Kazennitsa pegmatite, Middle Urals, Russia) V. I. Popova, V. A. Popov...12H 2O, first triphosphate mineral (Kazennitsa pegmatite, Middle Urals, Russia). – N. Jb. Miner. Mh. 2002...been found in the Kazennitsa pegmatite vein, the Alabashka pegmatite field, Middle Urals, Russia. Associated...and occurs in the Kazennitsa pegmatite vein, the Alabashka pegmatite field, Middle Urals, Russia (57Ê 47¢...Kazennitsa pegmatite vein is confined to the central part of the Alabashka pegmatite field, Middle Urals |  | Roza Llera, Ana, Fuertes-Fuente, Mercedes, Cepedal, Antonia, Martin-Izard, Agustín (2019) Barren and Li–Sn–Ta Mineralized Pegmatites from NW Spain (Central Galicia): A Comparative Study of Their Mineralogy, Geochemistry, and Wallrock Metasomatism. Minerals, 9 (12) 739 doi:10.3390/min9120739 | Journal (article/letter/editorial) | | (barren) and Li–Sn–Ta mineralized Presqueira pegmatite are established in this study. K-feldspar and...Li–Sn–Ta mineralized pegmatite. In both barren and mineralized bodies, the pegmatite-derived fluids that...and As. Keywords: wallrock signature; Li–Sn–Ta pegmatite; columbite–tantalite; tantaliferous cassiterite;...on a Li–Sn–Ta mineralized body, the Presqueira pegmatite, which is a non-outcropping body that has been...enriched pegmatites such as trace-elements in major pegmatite-forming minerals and explorationsignatures of |  | Müller, Axel, Ihlen, Peter M., Snook, Ben, Larsen, Rune Berg, Flem, Belinda, Bingen, Bernard, Williamson, Ben J. (2015) The Chemistry of Quartz in Granitic Pegmatites of Southern Norway: Petrogenetic and Economic Implications. Economic Geology, 110 (7) 1737-1757 doi:10.2113/econgeo.110.7.1737 | Journal (article/letter/editorial) | | granitic pegmatites in the Froland and Evje-Iveland pegmatite fields, southern Norway, have been determined...genesis of pegmatites hosting these deposits. Both pegmatite fields were formed during the Sveconorwegian (Grenvillian)...Ti-in-quartz geothermobarometer gives an average pegmatite crystallization temperature of 537° ± 39°C. Temperature...highest along the northwestern margin of the pegmatite field (>550°C), whereas the most differentiated pegmatites...quartz lies just north of the central part of the field where individual pegmatites contain >1 million metric |  | | Journal (article/letter/editorial) | | RELATIONSHIPS AND PATTERN OF ALTERATION IN Li-RICH APLITE–PEGMATITE DYKES FROM NORTHERN PORTUGAL BERNARD CHAROY§ Ecole...CRPG–CNRS, BP 20, F-54501 Vandoeuvre-lès-Nancy Cedex, France FERNANDO NORONHA§ AND ALEXANDRE LIMA§ Centro de...feature. Such an association occurs in some aplite–pegmatite dykes of the Covas de Barroso district, northern...tectonically controled intrusion of biotite granites to the east of the pegmatite belt would seem to be responsible...western part of the belt. Keywords: granitic pegmatite, spodumene, petalite, eucryptite, replacement |  | | Book | | during more than twenty years. Our students from France, Brazil, Burkina Faso, Madagascar, Cameroon, Iran...Conclusions 2 Origin of granitic magmas 2.1 Field data: migmatites and granites Box 2.1 From neptunism...dynamic compaction mode 3.5 Migmatites in the field 3.5.1 Layering in migmatites 3.5.2 Other migmatitic...of hybrid granitoids: mingling and mixing 4.1 Field observations 4.2 Influence of viscosity on magma...Fracturing the crust 5.2.5 Magma ascent rate 5.3 Field data 5.4 Conclusions 6 Emplacement and shape |
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