El Hmaidi, A. and Gensous, B. and Monaco, A. and Gadel, F. and Carbonel, P. and Tesson, M. (2002) Validation of a sequence stratigraphical model for the late Quaternary deposits of Gulf of Lions (France): Use of sedimentological, geochemical and paleobiological criteria Validation d'un modèle de stratigraphie séquentielle pour le Quaternaire terminal du Golfe du Lion (France): Utilisation de critères sédimentologiques, géochimiques et paléobiologiques. Ecologae Geologicae Helvetiae, 95 (3). pp. 289-299.

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Abstract

From seismic stratigraphic data, the late Quaternary of the rhodanian margin is characterized by the preponderance of lowsland deposits on outer shelf and continental slope (unit III), transgressive deposits on middle and inner shelf (unit II) and highstand deposits on the inner shelf (unit I). Shelly layers on the continental shelf and oxidized levels on the adjacent continental slope represent good stratigraphic markers separating the various units. Lithological, chronological and seismic data allow to set these deposits in relation to the recent sea level changes and to estimate sedimentation rates. The distribution of sedimentological, paleobiological and biogeochemical markers underlines the existence of gradients linked to the modalities and evolution of the sedimentation in different parts of the rhodanian margin. These gradients depend on the position with regard to the Rhone mouth, on the general circulation (liguro-provençal current). but mainly on eustatic variations which are responsible for longitudinal transfers from the open sea to the shore and arrangment of sedimentary units.

Item Type: Article
Uncontrolled Keywords: eustacy; organic matter; paleobiology; Quaternary; sea level change; sedimentation rate; sequence stratigraphy, Mediterranean Sea, Ostracoda; Panthera leo
Subjects: Earth and Planetary Sciences
Divisions: SCIENTIFIC PRODUCTION > Earth and Planetary Sciences
Depositing User: Administrateur Eprints Administrateur Eprints
Last Modified: 31 Jan 2020 15:46
URI: http://eprints.umi.ac.ma/id/eprint/2962

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