2005
DOI: 10.1016/j.enggeo.2004.07.007
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Liquefaction-induced structures in Quaternary alluvial gravels and gravelly sediments, NE Brazil

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Cited by 56 publications
(40 citation statements)
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“…The morphology of many of the soft-sediment deformation structures described herein is compatible with a scenario in which layers of sediment are fluidized under the load of overlying sediments (e.g., Owen, 1987;Owen, 1995;Bezerra et al, 2005; Moura-Lima et al, 2011). Soft-sediment deformations in fluvial sediments are either: (1) the results of fluctuations in stage, bank slumps, changing flow regimes on streambeds, frictional drag, and other in-system processes (autogenic or autokinetic); or (2) triggered by seismicity, climate, and other out-of-system drivers (allogenic or allokinetic).…”
Section: Significance Of Large-scale Soft-sediment Deformationsupporting
confidence: 51%
“…The morphology of many of the soft-sediment deformation structures described herein is compatible with a scenario in which layers of sediment are fluidized under the load of overlying sediments (e.g., Owen, 1987;Owen, 1995;Bezerra et al, 2005; Moura-Lima et al, 2011). Soft-sediment deformations in fluvial sediments are either: (1) the results of fluctuations in stage, bank slumps, changing flow regimes on streambeds, frictional drag, and other in-system processes (autogenic or autokinetic); or (2) triggered by seismicity, climate, and other out-of-system drivers (allogenic or allokinetic).…”
Section: Significance Of Large-scale Soft-sediment Deformationsupporting
confidence: 51%
“…Outro aspecto diagnóstico desta unidade é a presença de estruturas de liquefação (Fig. 13) desenvolvidas em resposta a eventos sísmicos enquanto encontravam-se saturadas em água (Bezerra et al 2005). Com alguma frequência, também se observa a ocorrência de conglomerados basais portadores de matacões arredondados de quartzo com até 40 cm de diâmetro (Fig.…”
Section: áRea De Belmonteunclassified
“…Para os vales fl uviais do rio Jaguaribe (CE) e Açu (RN), diferentes trabalhos abordando a Geologia e Geomorfologia do Quaternário foram realizados por Maia (1993), Maia (2005), Gomes Neto (2008), Fonseca (1996, Bezerra et al, (2005) e Moura-Lima et al, (2010). Entre os vales do Rio Jaguaribe (CE) e do Açu (RN), encontra-se o vale do rio Apodi-Mossoró-RN, dissecando a porção central da bacia sedimentar Potiguar (Figura 1).…”
Section: Introductionunclassified