 | 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) | | Distribution of Rare Metals in the LCT Pegmatites from the Giraúl Field, Angola Antonio Olimpio Gonçalves 1 ,...de Fevreiro 71, Caixa Postal 815, Luanda 2131, Angola; tonygoncalves72@hotmail.com (A.O.G.); anbuneto@hotmail...com (E.A.M.) Departament de Mineralogia, Petrologia i Prospecció Geològica, Facultat de Ciències de la Terra...Terra, Universitat de Barcelona, Carrer de Martí i Franquès s/n, 08028 Barcelona, Spain; joan.carles...(S.A.) Departament d’Enginyeria Minera, Industrial i TIC, Universitat Politècnica de Catalunya, Avinguda |  | | Journal (article/letter/editorial) | | Austria Nb-Ta-Minerals from the Cap de Creus pegmatite field, eastern Pyrenees: distribution and geochemical...Corbella i Cordomi 1'2, and J.-C. Melgarejo i Draper 1 1Departament de Cristallografia, Mineralogia i Dip6sits...mineralogy facilitate distinction of four main pegmatite types at the eastern end of the Pyrenees. Three...compositional variations in N b T a - S n - R E E - T i minerals have been established: a regional trend,...Nb) ratio increasing towards the more evolved pegmatites, Mn/(Mn + Fe) being relatively low and increasing |  | 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) | | 1995 Printed in Austria The Albera zoned pegmatite field, Eastern Pyrenees, France A. Mall61, F. Fontan...Mata 3 1Departament de Cristallografia, Mineralogia i Dip6sits Minerals, Universitat de Barcelona, Spain...Toulouse, France 3 Departament d'Enginyeria Minera i Recursos Naturals, Universitat Polit6cnica de Catalunya...of pegmatites comprise the zoned pegmatite feld in the eastern sector of the Albera Massif. Type I is...by barren pegmatites with graphic textures; type II comprises transitional varieties with L i - F e - M |  | | Journal (article/letter/editorial) | | com/loi/tigr20 Geochemistry and origin of Chupa pegmatite range (North Karelia) V.A. Leonova Published online:...Leonova (1966) Geochemistry and origin of Chupa pegmatite range (North Karelia), International Geology Review...page/terms-and-conditions Geochemistry and origin of Chupa pegmatite range (North Karelia) V A leonova UDC 550. 4:553...relationship between the composition of host rocks and pegmatites is demonstrated by means of data on the contents...2014 - The granite pegmatites of North Karelia and in particular the pegmatite veins of the Chupa district |  | 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) | | columbite-group minerals of the Cap de Creus pegmatites, NE Spain Marieke Van Lichtervelde 1 & Alexis...Wien 2016 Abstract The Cap de Creus granitic pegmatites in the eastern Catalan Pyrenees were dated using...types of pegmatites from type I (K-feldspar pegmatites, least evolved) to type IV (albite pegmatites, most...dating the different pegmatitic pulses. In a type III pegmatite where zircon and CGM are co-genetically associated...Two ages were obtained for type I and three ages for type III pegmatites. Three of these 5 ages range |  | | Journal (article/letter/editorial) | | FLUID EVOLUTION IN THE ZONED RARE-ELEMENT PEGMATITE FIELD AT CAP DE CREUS, CATALONIA, SPAIN Pura ALFONSO§...Cristal•lografia, Mineralogia i Dipòsits Minerals, Universitat de Barcelona. C/ Martí i Franquès s/n, E–08028...Spain Abstract The Cap de Creus LCT granitic pegmatites, in Catalonia, northeastern Spain, belong to...to the albite type. Fluid inclusions have been studied in all these types of pegmatite to determine the...involved in their formation. Beryl – columbite pegmatites are zoned; border, wall, intermediate zones and |  | | Book | | 978-3-642-87264-8 I. Rare earth metals-Congresses. 2. Tantalum-Congresses. 3. Niobium-Congresses. I. Möller, P...another oxide, "yttria", from minerals found in the pegmatite at Ytterby, Sweden. Both supposed oxides were...Swedish ehernist Ekeberg in the eourse of analyzing pegmatite minerals from Ytterby, Sweden and Kimito, Finland...minerals from the same loeality, the farnaus pegmatite at Ytterby, Swcden. This faet stresses the geoehemieal...prospeetors, they often oeeur tagether in some pegmatites, alkaline granites and earbonatites with their |
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