 | | 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 MineralogĂa âDr Stelznerâ â Facultad de Ciencias Exactas, FĂsicas y Naturales...Universidad Nacional de CĂłrdoba, VĂ©lez Sarsfield 299 (5000) CĂłrdoba, Argentina; fosfatos@yahoo.com.ar...ar Current address: CĂĄtedra de GeologĂa General, Facultad de Ciencias Exactas, FĂsicas y Naturales, Universidad...Universidad Nacional de CĂłrdoba, VĂ©lez Sarsfield 1611 (X5016GCA) CĂłrdoba, 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 RaĂșl LIRA§ CONICETâCICTERRA, Museo de MineralogĂa y GeologĂa...Universidad Nacional de CĂłrdoba, Av. V. Sarsfield 299, (5000) CĂłrdoba, Argentina Miguel Ăngel GALLISKI...Ruiz Leal s/n, (5500) Mendoza, Argentina Federico BERNARD YPF, 9 de Septiembre esquina Roca s/n, Las...Santa Cruz, Argentina MarĂa BelĂ©n ROQUET Departmento de GeologĂa, Universidad Nacional de San Luis, Chacabuco...Chacabuco y Pedernera, (5700) San Luis, Argentina Abstract The Potrerillos granitic pegmatites, in the |  | | Journal (article/letter/editorial) | | family and granite tectonic type were re-examined using a large data set of published granite compositions...regard to the orogenic settings of the source granite origin. Pearce trace-element discrimination diagrams...diagrams for these granites suggest that LCT granite-pegmatite systems originate in orogenic and perhaps...in the granite from each tectonic setting are reflected in the pegmatite mineralogy. Granite that is...well as tourmaline group minerals. In contrast, granite that is parental to NYF pegmatites is typically |  | | Journal (article/letter/editorial) | | pegmatite genesis. Wise and Brown address the graniteâpegmatite link at the famous Sebago system, southern...pegmatites in this region, although another fertile graniteâpegmatite system may be responsible for some anomalous...A-type El Portezuelo granite and related miarolitic pegmatites at Catamarca, northwestern Argentina. The...(biotite, muscovite, zinnwaldite) exhibit compositional evolution characteristic of NYF-type graniteâ miarolitic...These contributions demonstrate the complexity of graniteâpegmatite links through mineralogical, geochemical |  | | Journal (article/letter/editorial) | | Fluorite, 10 Ă 7.2 Ă 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 ParkâBear 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...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 (DitterovĂĄ, 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, KrĂĄsno stock, Czech Republic (JarchovskĂœ, 2006) |  | Gioncada, Anna, Orlandi, Paolo, Vezzoli, Luigina, Omarini, Ricardo H., Mazzuoli, Roberto, Lopez-Azarevich, Vanina, Sureda, Ricardo, Azarevich, Miguel, Acocella, Valerio, Ruch, Joel (2014) Topaz magmatic crystallization in rhyolites of the Central Andes (Chivinar volcanic complex, NW Argentina): Constraints from texture, mineralogy and rock chemistry. Lithos, 184. 62-73 doi:10.1016/j.lithos.2013.10.023 | Journal (article/letter/editorial) | | Central Andes (Chivinar volcanic complex, NW Argentina): Constraints from texture, mineralogy and rock...Facultad de Ciencias Naturales, Universidad Nacional de Salta, CEGAâCONICET Salta, Argentina d Dipartimento...correspondence of the transtensive CalamaâOlacapatoâEl Toro fault system, suggesting preferred extensional...transverse NW-trending lineaments as the CalamaâOlacapatoâEl Toro (COT) fault system. (B) Regional geologic map...between the magmatic arc and backarc. SAC: San Antonio de los Cobres. (C) Geologic map of the Chivinar volcano |  | Breiter, Karel, VaĆkovĂĄ, Michaela, GaliovĂĄ, Michaela VaĆĄinovĂĄ, KorbelovĂĄ, Zuzana, KanickĂœ, 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...from pegmatites (in this case, primarily the muscoviteâ lepidolite series) were published by ÄernĂœ and...(4) the peraluminous ĆĂÄany suite â biotite (±muscovite) granites. The SĂĄzava suite is presumed to represent...pluton comprises slightly deformed biotite > muscovite granites of Lipnice type, slightly deformed twomica...of the Variscan orogeny (Gerdes et al., 1998). Muscovite is interpreted in all the investigated granites |  | | Journal (article/letter/editorial) | | intruded a biotite > muscovite granite which is related to another two-mica granite. Variation diagrams... major element and Li contents of muscovite and lithian muscovite support this series. Least squares...major elements indicate that the biotite > muscovite granite and aplite-pegmatite veins and sills are derived...derived from the earlier two-mica granite magma by fractional crystallization of quartz, plagioclase...lithian muscovite replaces primary muscovite and late lithium micas replace lithian muscovite. Complexely |  | | Journal (article/letter/editorial) | | geochronology of the Permian A-type Hasanrobat granite, SanandajâSirjan belt: A new record of the Gondwana...Keywords: Hasanrobat SanandajâSirjan belt A-type granite Permian Neotethys Gondwana a b s t r a c t The...NeoproterozoicâPhanerozoic 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 UâPb ages with weighted |  | Debowski, Beatriz Pereira, Potratz, Guilherme Loriato, Tavares JĂșnior, Armando Dias, Alves Martins, Maria VirgĂnia, Geraldes, Mauro Cesar (2022) Age and Origin of the Massangana Intrusive Suite and Associated Mineralizations, in the RondĂŽnia 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 RondĂŽnia Tin Province: Petrography, U-Pb, and Lu-Hf Isotopes Zircons...Associated Mineralizations, in the RondĂŽnia Tin Province: Petrography, U-Pb, and Lu-Hf Isotopes Zircons...Received: 20 August 2022 Faculdade de Geologia, Departamento de Mineralogia e Petrologia Ăgnea (DMPI)...Universidade do Estado do Rio de Janeiro (UERJ), Rua SĂŁo Francisco Xavier, 524âBloco A, Rio de Janeiro 20550-013...20550-013, Brazil Instituto de FĂsica, Universidade do Estado do Rio de Janeiro (UERJ), Rua SĂŁo Francisco Xavier |
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