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Title: Coeval perpendicular shortenings in the Brasilia belt : collision of irregular plate margins leading to oroclinal bending in the Neoproterozoic of central Brazil
Authors: Silva, Luiz José Homem D´El-Rey
Oliveira, Ítalo Lopes de
Pohren, Camila B.
Tanizaki, Maria Luiza N.
Carneiro, Rodolfo C.
Fernandes, Gabriel L. de F.
Aragão, Priscila E.
Assunto:: Tectônica de placas
Issue Date: Jul-2011
Publisher: Elsevier
Citation: SILVA, Luiz José Homem D´El-Rey et al. Coeval perpendicular shortenings in the Brasilia belt: collision of irregular plate margins leading to oroclinal bending in the Neoproterozoic of central Brazil. Journal of South American Earth Sciences, v. 32, n. 1, p. 1-13, jul. 2011. Disponível em: <http://www.sciencedirect.com/science/article/pii/S0895981111000216>. Acesso em: 6 nov. 2013. http://dx.doi.org/10.1016/j.jsames.2011.02.013
Abstract: The three belts which form the Tocantins province (central Brazil) records Neoproterozoic-EoPaleozoic collisions involving the Amazon and São Francisco paleocontinents and the Paraná continental block. The Brasília belt is a typical orocline bended around the WNW—ESE striking Pirineus Zone of High Strain (PZHS) and is comprised of the NE-trending (northern) and SE-trending (southern) segments. The Brasília dome is an N—S elliptical structural window situated in the center of the belt, at the eastern end of the PZHS. It evidences Di— D₂ and D₃ɴ shortenings (~ 750—590 Ma) due to ocean closure and Amazon- São Francisco collision following a WNW—ESE path, and demonstrates similar evolution for both segments of the belt. However, in the southern segment, D₁—D₂ structures are deformed by shortening in the SW-NE direction (D₃S). New data demonstrating D₁—D₂ and D₃ɴ tectonites deformed by D₃S struc- tures in the area close to the dome's SW margin and SE of the PZHS support understanding the Brasília belt and oroclinal bending as a consequence of the collision of two (Amazon and São Francisco) irregular continental margins leading to separation-rotation of the Paraná block from the Amazon paleocontinent and the Paraná-São Francisco collision.
Licença:: This Accepted Author Manuscript is copyrighted and published by Elsevier. It is posted here by agreement between Elsevier and University of Brasilia. Changes resulting from the publishing process - such as editing, corrections, structural formatting, and other quality control mechanisms - may not be reflected in this version of the text. The definitive version of the text was subsequently published in [Journal of South American Earth Sciences, Volume 32, Issue 1, July 2011, Pages 1- 13, http://dx.doi.org/10.1016/j.jsames.2011.02.013]. You may download, copy and otherwise use the AAM for non-commercial purposes provided that your license is limited by the following restrictions: (1) You may use this AAM for non-commercial purposes only under the terms of the CC-BY-NC-ND license. (2) The integrity of the work and identification of the author, copyright owner, and publisher must be preserved in any copy. (3) You must attribute this AAM in the following format: [agreed attribution language, including link to CC BY-NC-ND license + Digital Object Identifier link to the published journal article on Elsevier’s ScienceDirect® platform]. _____________________________________________________________________________________________________________
Este Manuscrito do Autor Aceito para Publicação (AAM) é protegido por direitos autorais e publicado pela Elsevier. Ele esta disponível neste Repositório, por acordo entre a Elsevier e a Universidade de Brasília. As alterações decorrentes do processo de publicação - como a edição, correção, formatação estrutural, e outros mecanismos de controle de qualidade - não estão refletidas nesta versão do texto. A versão definitiva do texto foi posteriormente publicado em [Journal of South American Earth Sciences, Volume 32, Número 1, Julho 2011, Pages 1-13, http://dx.doi.org/10.1016/j.jsames.2011.02.013]. Você pode baixar, copiar e utilizar de outra forma o AAM para fins não comerciais , desde que sua licença seja limitada pelas seguintes restrições: (1) Você pode usar este AAM para fins não comerciais apenas sob os termos da licença CC- BY- NC-ND. (2) A integridade do trabalho e identificação do autor, detentor dos direitos autorais e editor deve ser preservado em qualquer cópia. (3) Tem de atribuir este AAM no seguinte formato: [acordo na linguagem atribuída, incluindo o link para CC BY-NC-ND licença Digital + DOI do artigo publicado na revista Elsevier ScienceDirect ® da plataforma].
DOI: http://dx.doi.org/10.1016/j.jsames.2011.02.013
metadata.dc.relation.publisherversion: http://www.sciencedirect.com/science/article/pii/S0895981111000216
Appears in Collections:Artigos publicados em periódicos e afins

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