 | | Journal (article/letter/editorial) | | FLUID EVOLUTION IN THE ZONED RARE-ELEMENT PEGMATITE FIELD AT CAP DE CREUS, CATALONIA, SPAIN Pura ALFONSO§...Catalonia, northeastern Spain, belong to the beryl – columbite and beryl – columbite – phosphate subtypes and...types of pegmatite to determine the nature of the fluids involved in their formation. Beryl – columbite...albite-dominant replacement bodies are distinguished. Beryl – columbite – phosphate pegmatites, in addition...the melt. It is CO2-rich, 41–46 wt.% NaCl eq., in beryl – columbite – phosphate pegmatites, and the aqueous |  | 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...replacement containing L i - F e - M n phosphates, beryl and more abundant N b - T a oxide minerals; and...graphite in the late pegmatite units and in the host-rock. The individual pegmatite types are distributed |  | | Journal (article/letter/editorial) | | ASSEMBLAGE OF PHOSPHATE MINERALS, KIBINGO GRANITIC PEGMATITE, RWANDA ANDRÉ-MATHIEU FRANSOLET AND FRÉDÉRIC HATERT... F-31000 Toulouse, France ABSTRACT A sample from the Kibingo granitic pegmatite, Rwanda, shows a striking...pegmatitic body differs from the amblygonite pegmatite of Mwaka and could be a poorly evolved neighboring...phosphate mineral assemblage, Kibingo granitic pegmatite, Rwanda. SOMMAIRE Un échantillon provenant de...littérature, le gisement de Kibingo ne serait pas la pegmatite à amblygonite de Mwaka, mais une lentille pegmatitique |  | 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...K-feldspar and, locally, pods of primary fluorite. The pegmatite-forming minerals are quartz, microcline and albite...with accessory biotite, muscovite, tourmaline, beryl, allanite, fluorite, fluorapatite, ilmenite, niobian...granodiorite or tonalite composition in the minimum melt field of Opx + Cpx + Grt ± Qtz, triggered by mantle-derived...canadian mineralogist Introduction The Conlara pegmatite district (Galliski 1994a, 1999) is located in |  | | 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...are those expected for a beryl-columbite pegmatite type. In a single pegmatite, the evolution depends on...group end members and re-equilibria with late pegmatite fluids. Zusammenfassung N b - Ta-Minerale aus |  | | Journal (issue) | | of business for lack of enough profitable stock. Field collectors would leave behind almost every specimen...54, January–February, 2023 Figure 6. Morganite beryl, 7.5 cm, from near Araçuai, Minas Gerais, Brazil...54, January–February, 2023 Figure 10. Emerald beryl, 5.3 cm, from Laranjeiras, Galiléia, Minas Gerais...January–February, 2023 15 Figure 11. Morganite beryl, 11.2 cm, from the Urucum mine, Galiléia, Minas...January–February, 2023 17 Figure 15. Aquamarine beryl, 17 cm, from a 2019 find at Pedra Azul in the Medina |  | 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...evolved belong to the beryl-columbite, beryl-columbite-phosphate and spodumene types. Pegmatites are concentrically...pegmatites are rich in Nb-Ta oxide minerals and the field has a moderate interest for critical elements such...of the pegmatites, as well as the proportions of beryl and Li-rich minerals. The Ta/(Ta + Nb) ratio in |  | 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...et al. 2009, Roda-Robles et al. 2009). During a field trip organized by Dr. Miguel Galliski in 2008, several |  | | 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 |  | | 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...+ CO2. En revanche, la plupart des venues de pegmatite sont le produit du fractionnement d’un volume |  | | Journal (article/letter/editorial) | | statistical analysis applied to rare-element LCT-type pegmatite fields: an original approach to constrain faults–...Claude Guillemin, BP 36009, 45060 Orléans, Cedex 2, France; S.Deveaud@brgm.fr CNRS/ISTO, UMR 7327, 1A rue...rue de la Férollerie, 45071 Orléans, Cedex 2, France Université d’Orléans, ISTO, UMR 7327, 1A rue de la...Cedex 2, France Corresponding author The emplacement of LCT-type (Lithium–Cesium–Tantalum) pegmatite fields...pegmatites, they are not appropriate to decipher, on field scale, the LCT pegmatites’ emplacement. Here we |  | | 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) | | minerals from the Scheibengraben beryl-columbite granitic pegmatite, Maršíkov, Czech Republic MILAN NOVÁK1...in columbite-group minerals from the beryl-columbite pegmatite at Scheibengraben, Maršíkov, Northern...Northern Moravia, Czech Republic. The pegmatite consists of five textural-paragenetic units, from the least to...columbite-group minerals differ from those observed in beryl pegmatites examined to date, but they are comparable...(facilitated by low contents of B, P and Li in the pegmatite melt) very likely maximized such an extensive |  | Pieczka, Adam, Hawthorne, Frank C., Ball, Neil, Abdu, Yassir, Gołębiowska, Bożena, Włodek, Adam, Żukrowski, Jan (2018) Graftonite-(Mn), ideally M1MnM2,M3Fe2(PO4)2, and graftonite-(Ca), ideally M1CaM2,M3Fe2(PO4)2, two new minerals of the graftonite group from Poland. Mineralogical Magazine, 82 (6) 1307-1322 doi:10.1180/minmag.2017.081.109 | Journal (article/letter/editorial) | | M3Fe2(PO4)2, were discovered in phosphate nodules of two beryl-columbite-phosphate pegmatites, respectively at...nodules in P-bearing pegmatites, especially of the beryl-columbite-phosphate subtype of the rare-element...et al., 2017). Graftonite-(Mn) was found in a pegmatite outcropping in a small abandoned quarry at Lutomia...SE of Świdnica and ~ 60 km SW of Wrocław. The pegmatite forms a relatively large, discordant vertical...across, and a few smaller offshoots. The pegmatite is of the beryl-columbite-phosphate subtype of rare-element |  | | Journal (article/letter/editorial) | | Altai orogenic belt hosting more than 100,000 pegmatite dykes is famous for rare-metal resources worldwide...LA-ICP-MS for muscovite from the typical REL pegmatite dykes of the Chinese Altai. The studied pegmatites...evolution degree and the lenses from the Nb-Ta pegmatite are produced at late fluid-rich stage with high...Nb-Ta-Sn-W rich pegmatite magma for the Be-Nb-Ta pegmatite. From barren pegmatite, beryl-bearing zone,...400–600 ppm, barren pegmatite; ca. 1200–4000 ppm, Be pegmatite; >4500 ppm, Li pegmatite), Cs (ca. 5–50 ppm |  | | Journal (article/letter/editorial) | | implications for the enrichment of Be in granite–pegmatite systems R. Thomas • J. D. Webster • P. Davidson...Be concentration and transport mechanisms in pegmatite-forming melts. In this contribution, we present...Hobart 7001, Australia F-, P-, ± Li-enriched pegmatite-forming magmas. Starting from host granite with...crystallization and further enrichment in melt patches of pegmatite bodies due to melt–melt immiscibility at fluid...In the case of evolved volatile and H2O-rich pegmatite systems, B, P, and carbonates are important for |  | | Journal (issue) | | CONTENTS Page Feature Articles: The Coolgardie pegmatite field, Western Australia Mark I. Jacobson .........European correspondent. Pierre-Nicolas is weU known in France as a writer on mineralogical topics and is the...Mineralogy Vol 3, No 2, December 1997 %e Coo(gardie Pegmatite :fie[� 'Western .9Lustrafia Mark I. Jacobson Chevron...70593 California, USA This n otable Australian pegmatite locality has produced a range of lithium minerals...the Western Australian outback, an abundance of pegmatite fields stretch from the fiercely hot and arid |  | | 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...subdivision of pegmatite categories: (i) A broadly diversified spectrum of barren pegmatites, beryl + columbite-tantalite |  | | Thesis/Dissertation | | the Høydalen area and other pegmatite areas of the Tørdal pegmatite field for investigation and geological... Abstract The granitic pegmatites of Tørdal pegmatite field, which are situated in the Vestfold and Telemark... Sc- and Be-bearing minerals, comprising mica, beryl, gadolinite-(Y) and bazzite, have been studied from...of Sc and Be within pegmatite bodies as well as across the entire pegmatite field. The mineral chemistries...reveal the spatial distribution, size and shape of pegmatite bodies. The chemical data of investigated micas |  | | Journal (issue) | | deposits, and consequently with such severely limited field collecting opportunities, should foster a hot-bed...locations and contemporary deposits developed by field collectors. Size is not the main focus, as quality...Record, November–December, 2020 13 Kevin Brown Beryl (var. heliodor), 6.6 cm, from Riverside County,...Roberts, and subsequently discovered several new pegmatite minerals in the Black Hills of South Dakota; Bill...Almandine-spessartine on albite, 4.9 mm, Poaia pegmatite, Minas Gerais, Brazil. Beth Van Allen photo. |  | | 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 |  | Černý, Petr, Masau, Morgan, Goad, Bruce E., Ferreira, Karen (2005) The Greer Lake leucogranite, Manitoba, and the origin of lepidolite-subtype granitic pegmatites. Lithos, 80 (1) 305-321 doi:10.1016/j.lithos.2003.11.003 | Journal (article/letter/editorial) | | transitional, non-crosscutting pods of barren, beryl-columbiteand lepidolite-subtype pegmatites that...fractionation gradients characterize the granite-to-pegmatite transition, most conspicuously so in the case...respectively, in lepidolite, Cs V28,000 ppmwt in beryl, and Ta/(Ta+Nb) at. V 0.95 in manganotantalite)...rights reserved. Keywords: Leucogranite; Granitic pegmatite; Lepidolite; Petrology; Geochemistry; Petrogenesis...mineralization superimposed on preexisting barren pegmatite bodies. We present here the Greer Lake leucogranite |  | Alfonso, P., Melgarejo, J. C., Yusta, I., Velasco, F. (2003) GEOCHEMISTRY OF FELDSPARS AND MUSCOVITE IN GRANITIC PEGMATITE FROM THE CAP DE CREUS FIELD, CATALONIA, SPAIN. The Canadian Mineralogist, 41 (1) 103-116 doi:10.2113/gscanmin.41.1.103 | Journal (article/letter/editorial) | | FELDSPARS AND MUSCOVITE IN GRANITIC PEGMATITE FROM THE CAP DE CREUS FIELD, CATALONIA, SPAIN PURA ALFONSO§...Creus pegmatite field exhibits a well-defined regional zonation of four types of granitic pegmatite: barren...Kfeldspar-rich pegmatites (type I), beryl–columbite-subtype pegmatites (type II), beryl–columbite–phosphate-subtype...content, relative to K-feldspar, with increasing pegmatite evolution. Type-I microcline-rich pegmatites have...buildup in this element from the earliest stages of pegmatite crystallization. Trace-element variation in feldspars |  | Dittrich, Thomas, Seifert, Thomas, Schulz, Bernhard, Hagemann, Steffen, Gerdes, Axel, Pfänder, Jörg (2019) Archean Rare-Metal Pegmatites in Zimbabwe and Western Australia - Geology and Metallogeny of Pollucite Mineralisations. Springer International Publishing. doi:10.1007/978-3-030-10943-1 | Book | | and mineable quantities only from the two LCT pegmatite deposits at Bikita in the Zimbabwe Craton and...occurs in monomineralic mineralisation. Both pegmatite deposits have a comparable regional geological...July 2011 and June 2016, where a total of 19 pegmatite districts were inspected and sampled. The second...their formation, the v vi Preface Bikita pegmatite was included in the study. This book presents...his supervision and introduction to the Bikita pegmatite field. We are particularly grateful to Bikita Minerals |
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