2019
DOI: 10.11606/issn.2316-9095.v19-148257
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Superterreno Pernambuco-Alagoas (PEAL) na Província Borborema: ensaio de regionalização tectônica

Abstract: O Superterreno Pernambuco Alagoas (PEAL), previamente designado de Maciço e/ou Terreno, é o segmento tectônico identificado imediatamente ao sul do lineamento Pernambuco. Apresenta uma área de cerca de 60.000km2, forma triangular, com a base entre o Recife e imediações de Maceió, e com vértice nas imediações de Santa Cruz, oeste de Pernambuco. Sua composição é extremamente variada, com terrenos de alto grau, arqueanos, paleoproterozoicos, eo-neoproterozoicos e tratos metavulcanossedimentares neoproterozoicos (… Show more

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Cited by 24 publications
(13 citation statements)
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“…The Sergipano Belt, located in the Southern Sub province of Borborema Province (PB) (Figure 1), has a tectonic framework formed by the collision of the São Francisco Craton (CSF) with the Pernambuco-Alagoas Superterrane (PEAL) in the Ediacaran during the Pan-African-Brasiliano Orogeny (Davison and Santos, 1989;D'el-Rey Silva, 1995a,b;D'el-Rey Silva, 1999;Oliveira et al, 2010). In this work we adopted the designation Pernambuco-Alagoas Superterrane, according to the understanding of Brito Neves and Silva Filho (2019), replacing traditional names of massif and domain.…”
Section: Geological Synthesis Of the Sergipano Beltmentioning
confidence: 99%
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“…The Sergipano Belt, located in the Southern Sub province of Borborema Province (PB) (Figure 1), has a tectonic framework formed by the collision of the São Francisco Craton (CSF) with the Pernambuco-Alagoas Superterrane (PEAL) in the Ediacaran during the Pan-African-Brasiliano Orogeny (Davison and Santos, 1989;D'el-Rey Silva, 1995a,b;D'el-Rey Silva, 1999;Oliveira et al, 2010). In this work we adopted the designation Pernambuco-Alagoas Superterrane, according to the understanding of Brito Neves and Silva Filho (2019), replacing traditional names of massif and domain.…”
Section: Geological Synthesis Of the Sergipano Beltmentioning
confidence: 99%
“…Upon considering geological, structural and geochronological data, Oliveira et al (2010) attributed to the Sergipano Belt a complete orogenic cycle associated with the formation of the Western Gondwana Supercontinent. In the collision, the São Francisco Craton, with an important archaeological heritage and consolidated in Paleoproterozoic (e.g., Teixeira et al, 2000), behaved as a western foreland, more rigid and stable than the Paleoproterozoic basement of the Pernambuco -Alagoas Superterrane (Brito Neves and Silva Filho, 2019), that was reworked during Brasiliano Orogeny and worked as the continent where Neoproterozoic magmatic arcs were installed (Brito et al, 2009;Silva et al, 2015, Soares et al, 2022. At the final stage of the orogenic cycle, transcurrent and contractile shear zones were produced( Itaporanga, São Miguel do Aleixo, Belo Monte -Jeremoabo, Porto da Folha) that juxtaposed different crust levels and collated terrains with distinct geological characteristics (Davison and Santos, 1989).…”
Section: Geological Synthesis Of the Sergipano Beltmentioning
confidence: 99%
“…Following the former subdivisions of the province (Santos 1996, Brito Neves et al 2000, in a simplified way, the northern subprovince is divided into Médio Coreaú, Ceará Central, Orós-Jaguaribe, and Rio Grande do Norte domains, whereas the Central Subprovince is divided into the sigmoidal-shaped São Pedro, Piancó-Alto Brigída, Alto Pajeú, Alto Moxotó, and Rio Capibaribe terranes. The Pernambuco-Alagoas domain is a relatively stable block, interpreted as the result of several terrane collision episodes during the Paleoproterozoic and early Neoproterozoic (Silva Filho et al 2016, Brito Neves andSilva Filho 2019), and together with the Sergipano, Riacho do Pontal, and Rio Preto belts, comprises the southern subprovince framework.…”
Section: Geological Settingmentioning
confidence: 99%
“…O Domínio Pernambuco-Alagoas (PEAL; Figura 1B) ocorre ao longo da parte sudeste da Província Borborema. Essa entidade tectônica é delimitada, a norte e a sul, por falhamentos com mergulho para dentro da mesma e é caracterizada por gnaisses de alto grau, migmatitos e granitoides brasilianos que surgiram como largos maciços estruturais (SILVA FILHO et al 2002, 2006, 2016VAN SCHMUS et al 2008;BRITO NEVES & SILVA FILHO, 2019). O PEAL é formado por três grandes complexos ígneos (batólitos)…”
Section: Pernambuco-alagoas E O Batólito Ipojuca-atalaiaunclassified