1999
DOI: 10.1016/s0301-9268(98)00125-9
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Rapakivi granites from Brazil and adjacent areas

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Cited by 109 publications
(59 citation statements)
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“…The origin of the Pitinga Brachysyncline was originally interpreted as a tectonic structure formed by regional folding of sedimentary and volcanic beds (Mandetta et al 1974, Veiga Jr. et al 1979. In turn, Montalvão (1975), Araujo et al (1976) and Dall'Agnol et al (1999a) suggested that the Pitinga Brachysyncline formation would be related to caldera collapse processes, though a straight relation between volcanic rocks and the Pitinga Bachysyncline cannot be directly accessed through surface features. However, Ferron et al (2007) studied in detail the co-magmatic volcanicsSuite, respectively) arrangement, and conclude that it widely outlines the Pitinga Bachysyncline.…”
Section: Volcanic Environmentmentioning
confidence: 99%
See 1 more Smart Citation
“…The origin of the Pitinga Brachysyncline was originally interpreted as a tectonic structure formed by regional folding of sedimentary and volcanic beds (Mandetta et al 1974, Veiga Jr. et al 1979. In turn, Montalvão (1975), Araujo et al (1976) and Dall'Agnol et al (1999a) suggested that the Pitinga Brachysyncline formation would be related to caldera collapse processes, though a straight relation between volcanic rocks and the Pitinga Bachysyncline cannot be directly accessed through surface features. However, Ferron et al (2007) studied in detail the co-magmatic volcanicsSuite, respectively) arrangement, and conclude that it widely outlines the Pitinga Bachysyncline.…”
Section: Volcanic Environmentmentioning
confidence: 99%
“…This magmatic province consists of a predominantly felsic volcano-plutonic association, with ages around 1.88 Ga and geochemical signatures of Atype magmas (Dall'Agnol et al 1987, 1999a, Tassinari and Macambira 1999, Tassinari et al 2000, Santos et al 2000, 2004.…”
Section: Introductionmentioning
confidence: 99%
“…Essas características geoquímicas são típicas de magmatismo félsico intraplaca e são muito semelhantes àquelas descritas paras as rochas formadas pelo magmatismo anorogênico bem descrito no Cráton Amazônico (Dall'Agnol et al, 1994;Dall'Agnol et al, 1999;Teixeira et al, 2005). Dessa forma, pode-se considerar que o magmatismo predominantemente fissural que gerou as rochas da Formação Santa Rosa foi formado após a orogenia que resultou na formação das rochas intermediárias da Formação Sobreiro, procedendo em rochas do tipo A, tanto vulcânicas como subvulcânicas, na região do Xingu.…”
Section: Conclusãounclassified
“…1979. Montalvão (1975), Araujo et al (1976) e Dall'Agnol et al (1999), sugerem uma origem relacionada a processos de colapso de caldeira, geneticamente vinculados ao magmatismo Iricoumé-Mapuera.…”
Section: Figura 1 -Mapa Geológico De Parte Do Distrito Mineiro De Pitunclassified