2010
DOI: 10.26848/rbgf.v3i2.232657
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Eventos Deposicionais Fluviais Quaternários e Dinâmica Recente do Vale do Rio Maracujá – Quadrilátero Ferrífero/MG

Abstract: graduação em Geografia (IGC/UFMG), alineraposo13@yahoo.com.br, bolsista FAPEMIG. 4Doutorando em Evolução Crustal e Recursos Naturais (UFOP), luis.cherem@gmail.com, bolsista CNPQ.Artigo recebido em 15/06/2010 e aceito em 03/08/2010 R E S U M OA bacia do Rio Maracujá, localizada no centro-sul do Quadrilátero Ferrífero, vem sendo amplamente estudada em razão dos abundantes voçorocamentos desenvolvidos em rochas do embasamento cristalino. Entretanto, muito pouco se sabe sobre a dinâmica fluvial dessa bacia, marca… Show more

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Cited by 3 publications
(4 citation statements)
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“…In the west, the Rio Paropeba represents a lower base level, but only in the eastern flank drained by the Rio das Velhas are the two conditions required for river capture present. On a large scale, the presence of these conditions can be associated with the higher uplift rates of the Quadrilátero Ferrífero and its interior (SAADI, 1991;MAGALHÃES JÚNIOR, 1993). This uplift would have allowed an expansion of the drainages of the Rio das Velhas tributaries and an increase in relief along the western ridge top and, thus, hindered any capture on this side of the syncline.…”
Section: The Opening Of the Moeda Syncline And Its Water Gapsmentioning
confidence: 99%
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“…In the west, the Rio Paropeba represents a lower base level, but only in the eastern flank drained by the Rio das Velhas are the two conditions required for river capture present. On a large scale, the presence of these conditions can be associated with the higher uplift rates of the Quadrilátero Ferrífero and its interior (SAADI, 1991;MAGALHÃES JÚNIOR, 1993). This uplift would have allowed an expansion of the drainages of the Rio das Velhas tributaries and an increase in relief along the western ridge top and, thus, hindered any capture on this side of the syncline.…”
Section: The Opening Of the Moeda Syncline And Its Water Gapsmentioning
confidence: 99%
“…This uplift would have allowed an expansion of the drainages of the Rio das Velhas tributaries and an increase in relief along the western ridge top and, thus, hindered any capture on this side of the syncline. On a medium scale, it is important to consider the abundant evidence of crustal uplift along the Rio das Velhas Valley (MAGALHÃES JÚNIOR, 1993;SANTOS, 2010) and its tributaries (MAGALHÃES JÚNIOR et al, 2010;BARROS, 2012). In addition to the neotectonic features, the lower resistance to erosion of the Bação Complex's granites (SALGADO, 2008;VARAJÃO et al, 2009) may also explain the occurrence of river capture on the western edge, primarily in the Ribeirão Mata Porcos.…”
Section: The Opening Of the Moeda Syncline And Its Water Gapsmentioning
confidence: 99%
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