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Características petrográficas y geoquímicas de la Tonalita La Ovejería, borde oriental de la Sierra del Aconquija, Tafí del Valle, Tucumán: integración con la Granodiorita El InfiernilloThe La Ovejería Tonalite is a N-S elongated body that crops out on the eastern side of the Sierra del Aconquija, west of of T afi del Valle, Tucumán Province, Argentina
(Sigma, 2012-03)
La Tonalita La Ovejería constituye un cuerpo elongado de rumbo submeridional, que aflora sobre la ladera oriental de Sierra del Aconquija, al oeste de la localidad de Tafí del Valle, provincia de Tucumán, Argentina, ...
Petrografia e geoquímica do Granito Apiaí - sul do estado de São Paulo
(Universidade Estadual Paulista (Unesp), 2019-11-28)
O Granito Apiaí se localiza na Província Mantiqueira Central, na porção centro-sul do Cinturão Ribeira, que integra os diferentes cinturões formados pela Orogenia Neoproterozoica Brasiliano-Pan Africana. Especificamente, ...
Mineralochemistry of the rocks of the Sienitic Itabuna Batolith, Southern of Bahia StateMineraloquímica das rochas do Batólito Sienítico Itabuna, Sul do estado da Bahia
(Universidade de São Paulo, Instituto de Geociências, 2022)
Petrologia do maciço alcalino de Peixe-Goiás
(Universidade Federal do ParáBrasilInstituto de GeociênciasUFPAPrograma de Pós-Graduação em Geologia e Geoquímica, 2022)
Extreme F activities in late pegmatitic events as a key factor for LILE and HFSE enrichment: The Ángel pegmatite, Central Argentina
(Mineralogical Assoc Canada, 2014-03)
The Ángel pegmatite forms part of the Comechingones pegmatitic field, in central Argentina, which is made up of pegmatites characterized by low to intermediate degrees of fractionation, classified as beryl-columbite-phosphate ...
A-type magmatism in the sierras of Maz and Espinal: A new record of Rodinia break-up in the Western Sierras Pampeanas of Argentina
(Elsevier Science, 2009-08)
Two orthogneisses have been recognized in the sierras of Espinal and Maz (Western Sierras Pampeanas, NW Argentina) that were emplaced within a Grenvillian metasedimentary sequence. Microcline, plagioclase and quartz are ...
Pegmatitas con Allanita-(Ce) vinculadas al Ortogneis Piroxénico de la Quebrad del Río Suquia, Sierras Chicas de Córdoba
(Asociación Geológica Argentina, 2009-07)
En la zona de Las Bateas (Sierras Chicas de Córdoba, 31º21´S y 64º21´27´´O) aflora un cuerpo de ortogneis piroxénico metamorfizado en facies de granulita durante el Cámbrico Temprano. Dispersas dentro del ortogneis se ...
Footemineite, the Mn-analog of atencioite, from the Foote mine, Kings Mountain, Cleveland County, North Carolina, USA, and its relationship with other roscherite-group minerals
(MINERALOGICAL SOC AMER, 2008)
Footemineite, ideally Ca2Mn2+square Mn22+Be4(PO4)(6)(OH)(4)-6H(2)O, triclinic, is a new member of the roscherite group. It occurs on thin fractures crossing quartz-microcline-spodumene pegmatite at the Foote mine, Kings ...
Hydrokenomicrolite, (□,H2O)2Ta2(O,OH)6(H2O), a new microlite-group mineral from Volta Grande pegmatite, Nazareno, Minas Gerais, Brazil
(Mineralogical Society of AmericaChantilly, 2013-02)
Hydrokenomicrolite, (□,H2O)2Ta2(O,OH)6(H2O) or ideally □2Ta2[O4(OH)2](H2O), is a new microlite-group mineral approved by the CNMNC (IMA 2011-103). It occurs as an accessory mineral in the Volta Grande pegmatite, Nazareno, ...
Fluorcalciomicrolite, (Ca,Na,□)2Ta2O6F, a new microlite-group mineral from Volta Grande pegmatite, Nazareno, Minas Gerais, Brazil
(Mineralogical SocietyTwickenham, 2013-10)
Fluorcalciomicrolite, (Ca,Na,□)2Ta2O6F, is a new microlite-group, pyrochlore supergroup mineral approved by the CNMNC (IMA 2012-036). It occurs as an accessory mineral in the Volta Grande pegmatite, Nazareno, Minas Gerais, ...