2018
DOI: 10.18285/geonomos.v25i2.1078
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Análise Tectônica Da Porção Nordeste Da Faixa Sergipana, Província Borborema: Dupla Vergência Em Resposta a Colisão Oblíqua Entre O Cráton Do São Francisco E O Terreno Pernambuco-Alagoas

Abstract: Estruturas de dupla vergência são reconhecidas em cinturões orogênicos pré-cambrianos e fanerozoicos em resposta à partição da deformação entre componentes contracionais e transcorrentes em zonas transpressionais. A Faixa Sergipana é um importante segmento crustal localizado no sul da Província Borborema, NE do Brasil. Análise cinemática e geométrica em escala meso e microscópica realizadas na porção Nordeste da Faixa Sergipana revelou a existência de quatro fases deformacionais: Dn, D1, D2 e D3 que resultaram… Show more

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Cited by 5 publications
(5 citation statements)
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“…However, for the distributions of DPA and DRC, the largest geotectonic domains in extension, the aforementioned relationship is not well defined. (Lima et al, 2017).…”
Section: Resultsmentioning
confidence: 99%
“…However, for the distributions of DPA and DRC, the largest geotectonic domains in extension, the aforementioned relationship is not well defined. (Lima et al, 2017).…”
Section: Resultsmentioning
confidence: 99%
“…In the southern sub-province, the Sergipano Fold Belt is interpreted as a Brasiliano/Pan-African collisional orogen, formed by the oblique collision of the São Francisco Craton and the Pernambuco-Alagoas Domain (D'el Rey Silva, 1999;Oliveira et al, 2010;Lima et al, 2017; see Fig. 1b).…”
Section: Geological Settingmentioning
confidence: 99%
“…1B), the latter reflects the accommodation and partitioning of regional strain into E-W-striking dextral and NE-SW striking sinistral conjugate pairs (Vauchez et al 1995). Folds, which may occur in several phases and produce interference patterns (e.g., Dantas et al 2003, Neves et al 2017, 2018, are usually ascribed to transpression during the development of the Borborema shear zone system (e.g., Archanjo et al, 2002, Santos et al 2004, Lima et al 2017. Whether there is partial overlap of the contractional and transpressional regimes or if they resulted from separate deformation phases is a major issue in the tectonic evolution of the region (Neves et al 2005), and constitutes the aim of the present study.…”
Section: Introductionmentioning
confidence: 99%