 | | Journal (article/letter/editorial) | | from the A-type El Portezuelo Granite and related pegmatites, Catamarca (NW Argentina) Fernando COLOMBO1...DORAIS3 1 2 3 * CONICET-Museo de Mineralogía “Dr Stelzner” – Facultad de Ciencias Exactas, Físicas y Naturales...Universidad Nacional de Córdoba, Vélez Sarsfield 299 (5000) Córdoba, Argentina; fosfatos@yahoo.com.ar...ar Current address: Cátedra de Geología General, Facultad de Ciencias Exactas, Físicas y Naturales, Universidad...Universidad Nacional de Córdoba, Vélez Sarsfield 1611 (X5016GCA) Córdoba, Argentina Department of Geological |  | 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) | | POTRERILLOS BATHOLITH, SIERRA DE SAN LUIS, ARGENTINA Raúl LIRA§ CONICET–CICTERRA, Museo de Mineralogía y Geología...Universidad Nacional de Córdoba, Av. V. Sarsfield 299, (5000) Córdoba, Argentina Miguel Ángel GALLISKI...Ruiz Leal s/n, (5500) Mendoza, Argentina Federico BERNARD YPF, 9 de Septiembre esquina Roca s/n, Las...Santa Cruz, Argentina María Belén ROQUET Departmento de Geología, Universidad Nacional de San Luis, Chacabuco...Chacabuco y Pedernera, (5700) San Luis, Argentina Abstract The Potrerillos granitic pegmatites, in the |  | | Journal (article/letter/editorial) | | Fluorite, 10 × 7.2 × 5.7 cm, from the Conway Granite, near Red Stone quarry, Conway, Carroll County...minerals. He currently works in Chengdu, Sichuan Province, China, as a development geophysicist for Chevron...at 08:14 13 August 2013 2 Locality Parental Granite Pegmatite Class Mineral associates of significance...USA Crystal Park–Bear Creek, El Paso County, CO, USA Pikes Peak Granite NYF Miarolitic topaz, amazonite...amazonite, phenakite Pikes Peak Granite NYF Miarolitic topaz, amazonite, phenakite References Muntyan |  | | Journal (article/letter/editorial) | | igneous rocks, including the wellstudied Blond granite in the Massif Central, France (Soufi, 2015; Soufi...minerals. If not, we consider temperatures from two-feldspar thermometry, accessory mineral-saturation thermometry...2015); (B) Phenocrysts of topaz, K-feldspar and mica in a quartz-feldspar-topaz groundmass, within ongonite...of quartz, alkali feldspar, and topaz in the rhyolite dikes from Eurajoki granite stock, Finland (Haapala...(E) Groundmass of rhyolite dikes from Eurajoki granite stock, Finland, showing small prismatic topaz crystals |  | | Journal (article/letter/editorial) | | intruded a biotite > muscovite granite which is related to another two-mica granite. Variation diagrams of major...δ18O of whole rocks, BaO and P2O5 contents of K-feldspar, anorthite and P2O5 contents of plagioclase,...muscovite granite and aplite-pegmatite veins and sills are derived from the earlier two-mica granite magma...fractional crystallization of quartz, plagioclase, K-feldspar, biotite and ilmenite. Modelling of trace elements...and Li, Sn, F and Ta concentrations. Key words: granite, aplite, pegmatite, feldspars, micas, columbite-tantalite |  | | Journal (article/letter/editorial) | | Shield is an alkaline granite complex comprising an inner core of biotite granite that outwardly becomes...sodic-calcic amphibole (ferrobarroisite–katophorite) granite. A combined study of mineral chemistry and single...estimates suggested that the Jabal Al-Hassir A-type granite magma was generated at high temperature (820–1050...assemblages, to collisional calc-alkaline TTG and granite assemblages, to post-collisional within-plate A-type...Sinai (Egypt), where a 594 ± 8 Ma post-tectonic granite is “contaminated” with xenocrystic zircon with |  | Breiter, Karel, Vaňková, Michaela, Galiová, Michaela Vašinová, Korbelová, Zuzana, Kanický, Viktor (2017) Lithium and trace-element concentrations in trioctahedral micas from granites of different geochemical types measured via laser ablation ICP-MS. Mineralogical Magazine, 81 (1) 15-33 doi:10.1180/minmag.2016.080.137 | Journal (article/letter/editorial) | | Li3Si1□–1Fe–2Al–1. K E Y WO R D S : trioctahedral micas, Li-mica, rare-metal granite, Bohemian Massif,...current valid classification of micas resulted from a K. BREITER ET AL. long-lasting discussion (Rieder et...granodiorites with associated basic rocks; (2) the high-K calc-alkaline Blatná suite – biotite ± amphibole granodiorites...associated shoshonitic basic rocks; (3) a highly K- and Mg-enriched Čertovo Břemeno suite containing...biotite-two-pyroxene melasyenites, and associated K- and Mg-rich 16 LITHIUM AND TRACE ELEMENTS IN TRIOCTAHEDRAL |  | Debowski, Beatriz Pereira, Potratz, Guilherme Loriato, Tavares Júnior, Armando Dias, Alves Martins, Maria Virgínia, Geraldes, Mauro Cesar (2022) Age and Origin of the Massangana Intrusive Suite and Associated Mineralizations, in the Rondônia Tin Province: Petrography, U-Pb, and Lu-Hf Isotopes Zircons. Minerals, 12 (10) 1304 doi:10.3390/min12101304 | Journal (article/letter/editorial) | | Associated Mineralizations, in the Rondônia Tin Province: Petrography, U-Pb, and Lu-Hf Isotopes Zircons...Associated Mineralizations, in the Rondônia Tin Province: Petrography, U-Pb, and Lu-Hf Isotopes Zircons...Received: 20 August 2022 Faculdade de Geologia, Departamento de Mineralogia e Petrologia Ígnea (DMPI)...Universidade do Estado do Rio de Janeiro (UERJ), Rua São Francisco Xavier, 524—Bloco A, Rio de Janeiro 20550-013...20550-013, Brazil Instituto de Física, Universidade do Estado do Rio de Janeiro (UERJ), Rua São Francisco Xavier |
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