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Abstract

Gravitational deformation affects the entire marine<br>sequences of the Foz do Amazonas basin, including the<br>Amazon Deep-sea Fan. During different stages of the<br>margin’s evolution, the sedimentary loading and<br>bathymetric slope induced the formation of a linked<br>extensional-compressional system, with remarkable foldand-<br>thrust belts running along the margin down to about<br>2100 m water depths, gliding on décollement surfaces.<br>Gravity-related sea-floor relief can trigger slope failures<br>along fold-and-thrust belts, leading to tectonically-induced<br>mass movement deposits in the upper/middle Amazon<br>fan, evidencing a sequential and long-lasting linking<br>between gravitational collapse modes of deformation and<br>mass movement.

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/content/papers/10.3997/2214-4609-pdb.195.1918_evt_6year_2009
2009-08-24
2020-04-05
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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609-pdb.195.1918_evt_6year_2009
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