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Palaeogeographical Evolution of the Lusitanian Basin (Portugal) During the Jurassic. Part I: The Tectonic Constraints and Sedimentary Response

2014; Springer International Publishing; Linguagem: Inglês

10.1007/978-3-319-04364-7_127

2197-9553

José Carlos Kullberg, R. B. Rocha, António Ferreira Soares, Luís V. Duarte, Júlio Fonseca Marques,

Geological and Geophysical Studies

In this paper, we present the general tectonic framework that conditioned the evolution of the Lusitanian Basin during the Jurassic, when most of the filling of the basin was accumulated. The rifting episodes and the evolution of the basin’s geometry are presented and their close relationship with the main basin-wide unconformities is discussed. The unconformity-bounded sequences are briefly presented as a basis for understanding the evolution of the sedimentary environments. This constitutes the basic geological information to construct the palaeogeographical maps presented in Part II of this paper (this volume).