 | | Journal (article/letter/editorial) | | Lisboa, 1749‑016 Lisbon, Portugal 2 ICT Research Centre/Universidade do Minho, Campus de Gualtar, 4710‑057...4710‑057 Braga, Portugal 3 Departamento de Geología, Universidad de Salamanca, 37008 Salamanca, Spain...Several granite-hosted tourmaline sets from the Castelo Branco, Idanha-a-Nova (Antunes 2006), and Penamacor-Monsanto...their host granites from Alijó-Sanfins and Rebordelo (Trás-os-Montes, Portugal), and from the Alamo Complex...in this paper. Bulk-rock geochemistry for the Castelo Branco and Idanhaa-Nova granites was obtained at |  | | Journal (article/letter/editorial) | | aplites and their minerals from central northern Portugal A. HALL Department of Geology, Royal Holloway...Coimbra, Portugal Abstract The ammonium content of pegmatites, aplites and granites from Alij6-Sanfins, northern...northern Portugal, averages 162, 109 and 159 ppm respectively. There is no systematic difference in the...WO RO S: ammonium, pegmatite, aplite, granite, Portugal. Introduction THE ammonium ion is present as...were studied are from the Alij6-Sanfins area in central northern Portugal, where pegmatites and aplites |  | 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) | | Universitat de Barcelona, C/ Martí Franquès s/n, E–08028 Barcelona, Spain IÑAKI YUSTA AND FRANCISCO...Petrología, Universidad del País Vasco, Apdo 644, E–48080 Bilbao, Spain ABSTRACT The Cap de Creus pegmatite...granitique, Cap de Creus, Catalogne, Espagne. § E-mail address: mpura@natura.geo.ub.es 103 vol 41#1...The following standards and lines were used: orthoclase (SiK␣, AlK␣, KK␣), rutile (TiK␣), hematite (FeK␣)...variations among the different types of pegmatite. The orthoclase component of the bulk K-feldspar ranges between |  | | Journal (article/letter/editorial) | | minerals from Paredes da Beira-Penedono, northern Portugal M.M.V.G. Silva and A.M.R. Neiva Department of...Geology, University of Coimbra, 3000 Coimbra (Portugal) (Received November 11, 1989; revised and accepted...minerals from Paredes da Beira-Penedono, northern Portugal. Chem. Geol., 85:147-170. Seven types of Hercynian...granites. However, in the area of Alij6-Sanfins (northern Portugal) there are syntectonic and post-tectonic...field evidence and geochemical data and the numbers do not correspond to those of Sousa ( 1982 ) who did |  | | Journal (article/letter/editorial) | | rocks and of their biotites from central northern Portugal and their petrogenesis A. M. Ro NEIVA LITHOS...rocks and of t~eir biotites from central northern Portugal and their petrogene~is. Lithos 14, 149-163. Oslo...Franzilhal, S. Lourenfo and Pombal, central northern Portugal, occur rocl~s ranging from hornblende-biotite...10a/Fe~*, Ni.I(P/Mg, Li.I0S/Mg, Cs. 1031K ratios of ~ e rocks and of F of biotite cannot be explained by miners~...and Geotogy, University ~f Oporto, d 000 Oporto, Portugal; 1st October 1980. In the areas of Aregos, Pombal |  | | Journal (article/letter/editorial) | | host rocks, and the bulk compositions of host rocks do not indicate magnesium metasomatic reactions. It...minerals in veins are quartz, muscovite, tourmaline, orthoclase, apatite, calcite and siderite. Seritization...in nature (Povondra 1981): (1) schorl (X=Na, Y = F e 2+, Z=A1)-dravite (X=Na, Y=Mg, Z=AI) and (2) schorl-elbaite...mineral in pegmatites at the Alijd-Sanfins area in norhtern Portugal which contain wolframite and cassiterite...veins of the K a n e u c h i mine suggest that oreforming solutions gained m a g n e s i u m before their |  | | Journal (article/letter/editorial) | | %) bear plagioclase (An 30-10) (34), perthitic orthoclase (1 l), microcline (17), quartz (32) and Mg-Fe...specialized (in ppm) (Sn: 8-14, W: 5-6, Be: 7-10) but do not carry remarkable enrichment of rare alkaline...syenogranites with (in vol.%,) Na-rich plagioclase (24), orthoclase (22), albite (6), quartz (40), and Li-rich micas...Peninsula,A;hska €4 Alijd-Sanfins, Portugal S e r r a d a EstreIa,Portugal V Blue Tier, Tasmania -----___...grained granite, d -granite porphyry, Panasgueira, Portugal. Fields edged by dots: U, -Northeastern USSR; |  | | Journal (article/letter/editorial) | | D OF THEIR MINERALS FROM CENTRAL N O R T H E R N PORTUGAL A.M.R. NEIVA* Department of Mineralogy and...and Geology, University of Coimbra, Coimbra (Portugal) (Received October 31, 1974; revised and accepted...pegmatites and of their minerals from central northern Portugal. Chem. Geol., 16 : 153--177. The major-, minor-...their minerals from the central area of northern Portugal indicates that the composition of the rocks and...schists occur in the central area of northern Portugal. In the literature no references were found for |  | | Journal (article/letter/editorial) | | Antarctica, 429 A c t i v e g e o t h e r m a l f i e l d , and t a m a r u g i t e , NaAI(SOa)2-6H20, from...Albite, in granitic aplites and pegmatites from Portugal, 35 Albitite, the chemical state of Fe in futile...orientation in synthetic alexandrite, 111 ALIETTI, E., 149 Alkali feldspar, micropores and micropermeable...quantum molecular dynamics of minerals, 597 CONDLIFFE,E., 661 Confocal microscopy, generated images and the...hausmannite from hydrotherm a l l y a l t e r e d m a n g a n e s e ore in the Palaeoproterozoic Kalahari |  | Bačík, P., Uher, P., Ertl, A., Jonsson, E., Nysten, P., Kanický, V., Vaculovič, T. (2012) Zoned REE-Enriched Dravite from a Granitic Pegmatite in Forshammar Bergslagen Province, Sweden an EMPA XRD and LA-ICP-MS Study. The Canadian Mineralogist, 50 (4) 825-841 doi:10.3749/canmin.50.4.825 | Journal (article/letter/editorial) | | granitic pegmatite, Forshammar, Bergslagen, Sweden. § E-mail address: bacikp@fns.uniba.sk 826 the canadian...Fig. 1), in the Forshammar area. The Limbergsbo quarry is still in operation. The granitic pegmatites...59°46’6”N, 15°30’56”E) situated about 1 km northeast of the Klinttjärnbo quarry in the Forshammar area...willemite (ZnKa), pure Ni (NiKa), albite (NaKa), orthoclase (KKa), BaF2 (FKa) and NaCl (ClKa). The lower...refined parameters 95 GooF 0.916 3 Äóm in , Äóm ax (e/Å ) –0.27, 0.36 _________________________________ |  | | Journal (article/letter/editorial) | | (Salamanca, Spain): characteristics and petrogenesis E. RODAROBLES1, A. PESQUERAPEREZ1, F. VELASCOROLDAN1...Mineralogia y Petrologia, Universidad del Pals Vasco 644, E-48080, Bilbao, Spain 2 Laboratoire de Min6ralogie...the Fregeneda area (Salamanca, Spain) has been E. RODA ROBLESETAL. studied. Different types of pegmatite...have been defined a c c o r d i n g to t h e i r m i n e r a l o g y , morphology and internal structure...western part of a narrow metamorphic belt, with an E W trend. This belt, situated in northwestern Salalnanca |  | Sánchez-Muñoz, Luis, Müller, Axel, Andrés, Sol López, Martin, Robert F., Modreski, Peter J., de Moura, Odulio J.M. (2017) The P–Fe 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) | | Geológicas, Universidad Complutense de Madrid, E-28040, Spain. MA e Natural History Museum, London SW7 5BD...Instituto de Cerámica y Vidrio – CSIC, Kelsen 5, E-28049 Madrid, Spain,*lsm@icv.csic.es Earth and Planetary...criteria applied mainly to mineralized pegmatites, and do not lead to broadly defined or accepted categories...important to note that many pegmatite occurrences do not contain rare minerals, and a clear geochemical...III and IV, although accessory apatite and monazite do occur. The silica-rich pegmatites of type II consist |  | | Journal (article/letter/editorial) | | that are used in characterizing one pegmatite field E-mail address: rune.larsen@ngu.no 137 40#1-fév-02-2328-09...gneiss 100 90 Gjerstad suite Augen gneiss 86 E 6480000 88 87 Høvringsvatnet granite-complex ... 103 85 98 83 Agder basement complex 82 81 e 6470000 Bamble basement complex Pegmatite fields...Froland (CZ) 0.1 r r La Ce P Nd Sm Eu Gd Tb Dy Ho E Tm Yb Lu FIG. 3. Distribution of rare-earth elements...Sr is virtually independent of the albite and orthoclase concentration of the feldspar, whereas the KD |  | | Journal (article/letter/editorial) | | These features are consistent with early growth but do not require it. In contrast, experimental petrology...crystalline ones, demonstrates that natural magmas do not precipitate significant K-feldspar while they...Carolina at Chapel Hill, Chapel Hill, NC 27599-3315, USA e-mail: afg@unc.edu Present Address: B. R. Johnson Anadarko...by their textures and mineral compositions. They do indeed show many aspects of metamorphic rocks, although...refers to all structural variants (microcline, orthoclase, and sanidine), and ‘‘megacrystic granites’’ |  | | Book | | Singapore Libre,, ,.u.,. '"--'·"·· "··M~ lo'f e 5 S I , J. 1 C. I \ Copyright © 1982 by J ohn...International Geological Correla tion P rogramme at th e meeting in Prague l 97 1.' Vol. 3 contains papers... International Geological Co rrelatio n Programm e. III. P rague. Ustfedni ustav Geologicky. IV . Metallizatio... . . . . . . . . . . . . . . . 91 W. Gocht and E. Pluhar Fluid Inclusion Evidence on the Genesis of...the Formation of some Tin-tungsten Deposits in Portugal . . . . . . . . . . . . . . . . . . . . . . . |  | Morozova, Lyudmila, Zozulya, Dmitry, Selivanova, Ekaterina, Serov, Pavel, Bazai, Aya (2022) Distribution of Trace Elements in K-Feldspar with Implications for Tracing Ore-Forming Processes in Pegmatites: Examples from the World-Class Kolmozero Lithium Deposit, NW Russia. Minerals, 12 (11) 1448 doi:10.3390/min12111448 | Journal (article/letter/editorial) | | Citation: Morozova, L.; Zozulya, D.; Selivanova, E.; Serov, P.; Bazai, A. Distribution of Trace Elements...in (i) low contents of Rb, Cs, Li, Tl, and an orthoclase component; and (ii) high contents of Sr, Ba,...intracontinental of antoArchaean The pegmatite dykes do not display a mineralogical zoning at this scale...extend to depths of about 500 m. The pegmatite dykes do not display a mineralogical zoning at this scale...(d) K/Ba K/Ba vs. K/Li vs. Černý vs. Ba; Ba; (e) (e) K/Li vs. Li. Li. In InK-feldspars, K-feldspars |  | | Journal (article/letter/editorial) | | Saint Mary’s University, Halifax, NS B3H 3C3, Canada e-mail: jdostal@smu.ca fluid fractionation yield the...coarse grained with megacrysts of microperthic orthoclase. It also contains plagioclase (An20–10) and quartz...Except for the Eu anomalies, the K-feldspar REE data do not show noticeable differences among the individual...granitic aplites and pegmatites from Alijo-Sanfins, northern Portugal. Mineral Mag 59:35–45 Rainbault L, Cuney...Jenner GA, Currie KL, Barr SM, Longstaffe FJ, Hegner E (1994) Geochemical and isotopic characteristics of |  | Yang, Yang, Liu, Yi-Can, Li, Yang, Groppo, Chiara, Rolfo, Franco (2020) Zircon U-Pb Dating and Petrogenesis of Multiple Episodes of Anatexis in the North Dabie Complex Zone, Central China. Minerals, 10 (7) 618 doi:10.3390/min10070618 | Journal (article/letter/editorial) | | Consiglio Nazionale delle Ricerche-Istituto di Geoscienze e Georisorse, Section of Torino, 1-10125 Torino, Italy...amphibole; (e) amphibole-poor leucosome; (f) K-feldspar-rich leucosome. with peritectic amphibole; (e) amphibole-poor...leucosome; chlorite occurs as pseudomorphs after biotite; (e,f) peritectic garnet with analytical profile by electron...trace elements patterns of Amp-rich leucosomes; (e) REE patterns of Amp-poor leucosomes; (f) trace elements...metalluminous samples (1310YZH7-1 and 1310 YZH 7-2) do not follow the main trends as a result of their high |  | | Report (volume) | | Cristallographie Contributions to Mineralogy and Petrology re c e The Feldspars Geochemical Transport and Kinetics...Co Ll.oque euu: Mineralogy. pp. Pe Ld sp a t e , 1967. 398 The reference Feldspars, Proceedings...TETRAHEDRAL FRAMEWORK 2 The a-axis projection 3 The e*-axis projection 6 The b-axis projection 6 Idealized...Ba-feldspars with Al:Si = = 9 1:3 and e ~ 7 K 2:2 and e ~ 14 9 K 12 I2/c eelsian pi anorthite...in plagioclases of intermediate composition 50 'e '-plagioelase B~ggild intergrowths 51 54 54 SUMMARY |  | | Report (volume) | | Cristallographie Contributions to Mineralogy and Petrology re c e The Feldspars Geochemical Transport and Kinetics...Co Ll.oque euu: Mineralogy. pp. Pe Ld sp a t e , 1967. 398 The reference Feldspars, Proceedings...TETRAHEDRAL FRAMEWORK 2 The a-axis projection 3 The e*-axis projection 6 The b-axis projection 6 Idealized...Ba-feldspars with Al:Si = = 9 1:3 and e ~ 7 K 2:2 and e ~ 14 9 K 12 I2/c eelsian pi anorthite...in plagioclases of intermediate composition 50 'e '-plagioelase B~ggild intergrowths 51 54 54 SUMMARY |
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