Experimental models of ‘Basement’ - controlled salients – application to the Proterozoic fold-thrust belt of the Quadrilátero Ferrífero (Minas Gerais, Southeastern Brazil).

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dc.contributor.authorGomes, Caroline Janette Souza
dc.contributor.authorPereira Filho, Milton
dc.contributor.authorBraga, Silvia Carolina Martins
dc.date.accessioned2015-12-07T14:18:38Z
dc.date.available2015-12-07T14:18:38Z
dc.date.issued2003
dc.description.abstractScaled sandbox models are used to simulate the development of ´basement´-controlled, salients. We investigate the controlling factors on the development of closed curvatures in map-view, considering constant both the sand pack thickness and the space between obstacles. These models are compared with the Fundão-Cambotas Fault System in the Proterozoic fold-thrust belt in the Quadrilátero Ferrífero region, along the southeastern margin of the São Francisco craton. In the experiments, a pronounced curvature resulted from the margin-controlled salient process in the presence (i) of a basal ductile detachment, or (ii) of pre-existing structures. The results suggest that the convex-to-the-foreland, west-vergent Fundão-Cambotas Fault System that borders the Archean basement highs and displaced older Transamazonian structures westward, is partly a consequence of interaction of propagating thrusts with obstacles in the forelandpt_BR
dc.identifier.citationGOMES, C. J. S.; PEREIRA FILHO, M.; BRAGA, S. C. M. Experimental models of ‘Basement’ - controlled salients – application to the Proterozoic fold-thrust belt of the Quadrilátero Ferrífero (Minas Gerais, Southeastern Brazil). Anais da Academia Brasileira de Ciências, v. 75, n. 2, p. 249-263, 2003. Disponível em: <http://www.scielo.br/pdf/aabc/v75n2/v75n2a10.pdf>. Acesso em: 12 nov. 2015.pt_BR
dc.identifier.doihttp://dx.doi.org/10.1590/S0001-37652003000200010
dc.identifier.issn1678-2690
dc.identifier.urihttp://www.repositorio.ufop.br/handle/123456789/5921
dc.language.isoen_USpt_BR
dc.rights.licenseTodo o conteúdo do periódico Anais da Academia Brasileira de Ciências, exceto onde identificado, está sob uma licença Creative Commons que permite copiar, distribuir e transmitir o trabalho em qualquer suporte ou formato desde que sejam citados o autor e o licenciante. Não permite o uso para fins comerciais. Fonte: Anais da Academia Brasileira de Ciências <http://www.scielo.br/scielo.php?script=sci_serial&pid=0001-3765&lng=en&nrm=iso>. Acesso em: 20 ago. 2019.pt_BR
dc.subjectExperimental modellingpt_BR
dc.subjectSalientspt_BR
dc.subjectBrittle deformationpt_BR
dc.subjectDuctile deformationpt_BR
dc.titleExperimental models of ‘Basement’ - controlled salients – application to the Proterozoic fold-thrust belt of the Quadrilátero Ferrífero (Minas Gerais, Southeastern Brazil).pt_BR
dc.typeArtigo publicado em periodicopt_BR
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