 | 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...University of Porto, Rua do Campo Alegre, 687, Porto, Portugal Alexandre LIMA Geology Centre, and Department...University of Porto, Rua do Campo Alegre, 687, Porto, Portugal William B. SIMMONS and Alexander U. FALSTER Department...Porto, Portugal Abstract The Barroso–Alvão granitic pegmatite field, located in northern Portugal, is known...petalite-bearing bodies. Recent work on this pegmatite field characterized other types of pegmatites, and |  | | Journal (article/letter/editorial) | | EVOLUTION OF MICAS IN THE BARROSO–ALVÃO PEGMATITE FIELD, NORTHERN PORTUGAL Tânia MARTINS§ Geology Centre...University of Porto, Rua do Campo Alegre, 687, Porto, Portugal Encarnación RODA-ROBLES Dpto. Mineralogia y Petrologia...University of Porto, Rua do Campo Alegre, 687, Porto, Portugal Philippe de Parseval Géosciences Environnement...the granitic pegmatites found in the Barroso–Alvão pegmatite field and the Cabeceiras de Basto granite...paragenesis. This pegmatite field in northern Portugal has numerous and varied aplite–pegmatite intrusions as |  | Novák, Milan, Vieira, Romeu, Lima, Alexandre, Škoda, Radek, Martins, Tania, dos Anjos Ribeiro, Maria (2009) Ferronigerite with dominant substitution TiSn−1 in muscovite+chlorite aggregate from massive quartz nodule associated with a petalite-rich aplite-pegmatite of the Barroso-Alvão pegmatite field, Northern Portugal. Neues Jahrbuch für Mineralogie - Abhandlungen, 186 (1) 67-78 doi:10.1127/0077-7757/2009/0132 | Journal (article/letter/editorial) | | petalite-rich aplite-pegmatite of the Barroso-Alvão pegmatite field, Northern Portugal Milan Novák, Romeu...petalite-rich aplite-pegmatite dike Lousas from the Barroso-Alvão pegmatite field. Ferronigerite-6N6S...quartz nodule, petalite, aplite-pegmatite, Barroso-Alvão field, Portugal Introduction Nigerite-group minerals...Lousas aplite-pegmatite body intruding metasedimentary rocks, Barroso-Alvão pegmatite field. Grey area –...– aplite-pegmatite body, square – quartz nodule occurrence. b) Schematic description of geological setting |  | Roda-Robles, Encarnación, Gil-Crespo, Pedro Pablo, Pesquera, Alfonso, Lima, Alexandre, Garate-Olave, Idoia, Merino-Martínez, Enrique, Cardoso-Fernandes, Joana, Errandonea-Martin, Jon (2022) Compositional Variations in Apatite and Petrogenetic Significance: Examples from Peraluminous Granites and Related Pegmatites and Hydrothermal Veins from the Central Iberian Zone (Spain and Portugal) Minerals, 12 (11) 1401 doi:10.3390/min12111401 | Journal (article/letter/editorial) | | Veins from the Central Iberian Zone (Spain and Portugal) Encarnación Roda-Robles 1, *, Pedro Pablo Gil-Crespo...Veins from the Central Iberian Zone (Spain and Portugal). Minerals 2022, 12, 1401. https:// doi.org/10...Alegre, 4169-007 Porto, Portugal ICT (Institute of Earth Sciences)—Porto Pole (Portugal), Rua Campo Alegre...Alegre, 4169-007 Porto, Portugal Department of Geology and Subsurface, Centro Nacional Instituto Geológico...during the evolution of granitic magmas and as a pegmatite exploration tool. With this aim, a detailed compositional |  | | Journal (article/letter/editorial) | | Martins et al. 2011; René and Škoda 2011). These pegmatite bodies generally belong to the LCT family of Černý...well known for decades for its peri-batholithic pegmatite dikes and intra-granitic quartz veins that were...phosphates have been documented from the granites, the pegmatite dikes and the mineralized quartz veins (Llorens...Llorens, María Candelas Moro facies and the pegmatite dikes. Thus, the main objectives are: 1) to identify...the Navasfrías district (geographic coordinates Portugal Spain Guarda Batholith Cadalso–Casillas Massif |  | | Journal (article/letter/editorial) | | II, BAZZITE, BAVENITE) FROM EUXENITE-TYPE NYF PEGMATITE RELATED TO THE OROGENIC ULTRAPOTASSIC TŘEBÍČ...Abstract An intragranitic, euxenite-type NYF pegmatite, Kožichovice II, derived from the ultrapotassic...fractionation, granitic pegmatite, Třebíč pluton, Czech Republic. Sommaire La pegmatite intragranitique de...données LA–ICP–MS, substitutions, fractionnement, pegmatite granitique, pluton de Třebíč, République Tchèque...Primary (Na,Mg)-enriched beryl from the euxenite pegmatite Kožichovice II represents a typical “O-type” beryl |  | | Journal (article/letter/editorial) | | 081.107. monazite, xenotime, native bismuth and pyrite. Alteration processes were mainly albitization...Keppler, 1997; Linnen, 1998; London, 2008) and field evidences in pegmatites (Dewaele et al., 2015) and...beryl, apatite, monazite, xenotime, zircon, rutile, pyrite and native bismuth, fluorite, uraninite, Fe, Mn...existence of these stages has been supported by field and geochemical evidence and also by a fluid inclusion... resulting in a good match between modelled and real melt evolution (López-Moro et al., 2017). Consequently |  | | Journal (issue) | | in southwestern Fennoscandia: Backdrop to the pegmatite fields of southern Norway……………………………………………………………………………………...paleoclimate controls of lithium-cesium-tantalum (LCT) pegmatite genesis, exhumation, and preservation……………………...earth element mineralization in a rediscovered pegmatite in the Stettin Complex, Wausau Syenite Compley...Mineralogical study of the Gonçalo Li-pegmatite deposit, Portugal……………………………………..23 FALSTER, A.U., SIMMONS...fluorapatite-quartz assemblage in the Emmons pegmatite, Greenwood, Oxford Co., Maine, USA: implication |  | | Journal (article/letter/editorial) | | mineralizing fluid are similar to those of oil-field brine (Ye Lin,2000). Therefore, it is suggested...mineralizing fluid of the deoposit possibly came from oil-field brine of Majiang paleooil pool. The mineralizing...contains higher SO42and Cl-, was derved from oil-field brine, leached Cd and Zn etc. ore-forming elecments...rock associations that plot in the shoshonitic field of the K2O-SiO2 diagram: shoshonites, vaugnerites...sulphide phases that can precipitate are pyrrhotite, pyrite and troilite. FeS-oxide liquid interaction parameters |  | | Journal (article/letter/editorial) | | Manuscript Geology and chemistry of Variscan-type pegmatite systems (SE Germany) With special reference to...Dill, Geology and chemistry of Variscan-type pegmatite systems (SE Germany) With special reference to...pertain. Geology and chemistry of Variscan-type pegmatite systems (SE Germany) - With special reference...D-30167 Hannover, Germany Abstract: The geology of pegmatite systems encompasses lithology, shape, and structure...Zn-Cu-Bi-Rb-Nb in), (2) supergene (Zr-Ti in). Key words: Pegmatite; lithology; structural geology; chemistry; Variscan-type |
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