2021
DOI: 10.11606/issn.2316-9095.v21-181314
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A influência de estruturas preexistentes na formação de riftes oblíquos: o uso da modelagem física e sua comparação com a fase Pré-sal da Bacia de Santos, Brasil

Abstract: A evolução de riftes oblíquos é analisada neste artigo pela realização de modelos físicos, em escala. O intuito foi analisar a fase rifte da Bacia de Santos, examinando a influência da estrutura preexistente do embasamento. Para refinar as informações obtidas, empregou-se a tecnologia particle image velocimetry. Desenvolveram-se três experimentos em caixas de acrílico, com dimensões internas de 37 cm x 41 cm x 07 cm (largura x comprimento x altura), empregando-se areia e silicone para crosta rúptil e dúctil, r… Show more

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Cited by 4 publications
(2 citation statements)
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References 52 publications
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“…We interpret this inflection as a direct response to the late-rift leftlateral transtensional Helmut Shear Zone that affected the syn-rift structures (Dehler et al, 2016). The WSW-ENE rift extension axis Frontiers in Earth Science frontiersin.org might have originated the syn-rift faults structural styles from strain response, as observed in the East African Rift (Zwaan and Schreurs, 2017) and modeled in the Central Santos Basin (Pereira et al, 2021). The NW-SE lineaments have weaker expression and might relate to the NW-SE rift transfer zones (Meisling et al, 2001).…”
Section: Seismic Amplitude 3d Volumementioning
confidence: 62%
See 1 more Smart Citation
“…We interpret this inflection as a direct response to the late-rift leftlateral transtensional Helmut Shear Zone that affected the syn-rift structures (Dehler et al, 2016). The WSW-ENE rift extension axis Frontiers in Earth Science frontiersin.org might have originated the syn-rift faults structural styles from strain response, as observed in the East African Rift (Zwaan and Schreurs, 2017) and modeled in the Central Santos Basin (Pereira et al, 2021). The NW-SE lineaments have weaker expression and might relate to the NW-SE rift transfer zones (Meisling et al, 2001).…”
Section: Seismic Amplitude 3d Volumementioning
confidence: 62%
“…The South Atlantic margin inherited a NE-SW orientation from Late Proterozoic structures, and the syn-rift architecture resulted in an oblique orientation to the margin (Meisling et al, 2001). The NE-SW inheritance associated with a WSW-ENE rift extension created segmented faults with sinuous rombo-shaped and left-lateral en échelon patterns, as observed in the Jupiter rift shoulder (Plawiak et al, 2022) and in the East African Rift System (Zwaan and Schreurs, 2017), and also modeled in the Central Santos Basin (Pereira et al, 2021). Syn-rift structures have been reactivated at least three times in the South Atlantic Margin, in the Late Cretaceous, Eocene, and Miocene (Zalán and Oliveira, 2005;Fetter, 2009;Cobbold et al, 2010), with important consequences for hydrothermal vent formations (Magee et al, 2016).…”
Section: Tectonic Settingmentioning
confidence: 94%