Palaeogeographical evolution of the Lusitanian Basin (Portugal) during the Jurassic: Part II: the slow-to-fast transformationsof the sedimentary infilling

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Abstract

In this paper we will present the first palaeogeographical maps of the Lusitanian Basin during the Jurassic. Wewill present the methodology to produce those maps and discuss the close relation of facies distribution alongtime and space with the sequence of tectonic events in the basin (already discussed in Part I of this presentation,in this volume). One of the inedited conclusions is that the main bordering N-S faults conditioned the faciesarchitecture only during paroxismal events, with short intervals of "instantaneous" modifications on the faciesdistribution. A second conclusion is that in the time between those events the distribution of facies was controlledby the large ENE-WSW oriented transfer faults and sedimentary environments gradually rotated from N-S toENE-WSW after each event.
Original languageEnglish
Title of host publicationCiências da Terra, volume especial
Editors Jacques Rey
Place of PublicationMonte da Caparica
PublisherDepartamento de Ciências da Terra, FCT/UNL
Pages106
Volume7
ISBN (Print)978-972-8893-09-5
Publication statusPublished - 1 Jan 2013
Event1st International Congress on Stratigraphy (STRATI 2013) - Lisbon, Portugal
Duration: 1 Jul 20137 Jul 2013

Conference

Conference1st International Congress on Stratigraphy (STRATI 2013)
CountryPortugal
CityLisbon
Period1/07/137/07/13

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