2010
DOI: 10.25249/0375-7536.2010402220235
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Fácies e associações de fácies de diamictitos do Subgrupo Itararé (Paleozóico superior) no norte de Santa Catarina e sul do Paraná, Bacia do Paraná, Brasil

Abstract: Revista Brasileira de GeociênciasJosé Roberto Canuto et al. 40(2): 220-235, junho de 2010 Arquivo Resumo Diamictitos glaciais fornecem evidências sobre ambientes deposicionais associados à glaciação.Entretanto, características similares apresentadas por outros sedimentos podem levar à interpretação errônea de diamictitos, pois qualquer tipo sedimentar pode ser depositado por geleira. Além disso, diagênese, compactação e perda d'água e intemperismo podem obliterar feições diagnósticas. Portanto, a maior par… Show more

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“…The ice in sediments porosity increases the cohesion and increases the material strength to the deformation (Waller et al 2009, Kessler et al 2012. Despite the FA2 being similar to subaqueous gravity driven flow deposits (Shanmugam 2000, Canuto et al 2010, it was interpreted as a product of subglacial erosion because it is limited by sub-horizontal detachment surface. Furthermore, the FA2 is not associated with deeper deposits as turbidities, which are common in subaqueous gravity driven flow deposits (Hart & Robert 1994, Eyles & Eyles 2010).…”
Section: Discussionmentioning
confidence: 99%
“…The ice in sediments porosity increases the cohesion and increases the material strength to the deformation (Waller et al 2009, Kessler et al 2012. Despite the FA2 being similar to subaqueous gravity driven flow deposits (Shanmugam 2000, Canuto et al 2010, it was interpreted as a product of subglacial erosion because it is limited by sub-horizontal detachment surface. Furthermore, the FA2 is not associated with deeper deposits as turbidities, which are common in subaqueous gravity driven flow deposits (Hart & Robert 1994, Eyles & Eyles 2010).…”
Section: Discussionmentioning
confidence: 99%