23 datasets found

International audience

A section in a remarkable sequence of detrital deposits of more than 5 m high, filling in the cave of the Clos du Bois (La Rochefoucauld karst, Charente) allowed a...

This work reflects the integration of different techniques such as field observations, petrography, magnetic susceptibility measurements, isotopic analyses and...

This PhD aims to study caves and subterranean karst infillings deposits from Charente (Touvre catchment) as a memory of past climate and environments. From the concept...

The relationship between alluvial dynamics and control parameters such as climate are well known and understood at plurimillennial and pluriannual time-scales. But it...

Competition between tectonic and climate is expressed throughout the sedimentation. Because of the retroactions existing between those two parameters, it is often hard...

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International audience

The Eastern English Channel is a macrotidal epicontinental sea, subject to an increasing demand for marine aggregate extraction since several decades. Effects on the...

This thesis documents the synorogenic sedimentary and structual evolution of the 80 km2 Dévoluy basin (Hautes-Alpes, southeastem France), a remnant of the Alpine...

pas de résumé

International audience

The sedimentary architecture of active margin basins, including back-arc basins, is known only from a few end-members that barely illustrate the natural diversity of...

Report

International audience

The Poitou high of Western France is situated at the junction between the Paris Basin, the Aquitaine Basin, and two major Variscan metamorphic massifs (Armorican and...

International audience

International audience

International audience

Original Abstract: Avicennia germinans et Rhizophora mangle sont les especes vegetales dominantes dans les mangroves de Guyane. Ces mangroves se developpent sur les...