 | | 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 |  | | Journal (article/letter/editorial) | | igneous rocks, including the wellstudied Blond granite in the Massif Central, France (Soufi, 2015; Soufi...Eurajoki granite stock, Finland (Haapala, 1997); (E) Groundmass of rhyolite dikes from Eurajoki granite stock...high-relief topaz; (H) Topaz-zinnwaldite alkali-fedspar granite of Eibenstock, Germany re (Ditterová, 2014),...(I) Subhedral topaz grain in the equigranular granite from the Kymi stock, within the Wiborg rapakivi...crystals against topaz; (J) Medium-grained Li-F granite, Krásno stock, Czech Republic (Jarchovský, 2006) |  | 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) | | D S : trioctahedral micas, Li-mica, rare-metal granite, Bohemian Massif, laser ablation inductively coupled...granites and a younger intrusive suite of albite-annite granites with topaz. The most fractionated, extremely...crystallized at Podlesí as albite-zinnwaldite-topaz granite in the form of layered rock with comb-quartz layers...study the vertical differentiation of a rare-metal granite intrusion. Nineteen samples were collected from...greisenized granite and greisen (#4685, 4930, 4931 and 4975), albite-zinnwaldite granite (#4677, 4683 |  | | 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 |  | | Journal (article/letter/editorial) | | geochronology of the Permian A-type Hasanrobat granite, Sanandaj–Sirjan belt: A new record of the Gondwana...Keywords: Hasanrobat Sanandaj–Sirjan belt A-type granite Permian Neotethys Gondwana a b s t r a c t The...Neoproterozoic–Phanerozoic ages. The Hasanrobat granite in central SSB occurs as a single pluton, ~ 20...coarse-grained quartzite at contact with the granite. The granite is metaluminous to slightly peraluminous...zircon grains separated from a representative granite sample yielded concordant U–Pb ages with weighted |
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