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La marge continentale sud-portugaise: évolution structurale et sédimentaire
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Orientador(es)
Resumo(s)
The structural and sedimentary evolution of the portuguese continental margin South of Setúbal Canyon is outlined from the study of many seismic reflection profiles and rocks samples.
During Triassic and Early Liassic time, a distension affects the Algarve margin that belongs to the Mesogean area. Off Baixo Alentejo rifting phases at Late Jurassic and Early Cretaceous times induced opening or widening of the adjacent part of the Atlantic ocean. Alpine orogeny is inferred to explain the Eocene and Miocene deformation of the margin specially along the main NE-SW fractures.
Descrição
Palavras-chave
Continental margin Offshore Portugal Rift Mesozoic Cenozoic Alpine chain Seismic reflection