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Deep organic sedimentation along the atlantic south eastern margin as a paleoclimatic indicator for last glacial-interglacial studies.

Raphaël Blanke 1, 2 François Baudin 1 Elisabeth Lallier-Vergès 2 Philippe Bertrand 3 François Fröhlich 4 Laetitia Pichevin 3
1 Paléobiodiversité et paléoenvironnements
2 ISTO - Institut des Sciences de la Terre d'Orléans
3 EPOC - Environnements et Paléoenvironnements OCéaniques
4 LMMNHN - Laboratoire de minéralogie du Muséum National d'Histoire Naturelle
Abstract : The Atlantic South-eastern margin is influenced by the presence of broad upwelling cells associated with the Benguela Current System. Sedimentary records of cores taken along 2500 km from North to South show extraordinarily high organic carbon contents for this deep and oxygenated sedimentation environment. Thus this margin is different from classically known models of organic matter preservation by the bottom water anoxia.
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Conference papers
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https://hal-insu.archives-ouvertes.fr/hal-00084673
Contributor : Nathalie Pothier <>
Submitted on : Monday, July 10, 2006 - 10:43:20 AM
Last modification on : Friday, September 18, 2020 - 2:34:10 PM

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  • HAL Id : hal-00084673, version 1

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Citation

Raphaël Blanke, François Baudin, Elisabeth Lallier-Vergès, Philippe Bertrand, François Fröhlich, et al.. Deep organic sedimentation along the atlantic south eastern margin as a paleoclimatic indicator for last glacial-interglacial studies.. Geophysical Research Abstracts, 2003, Nice, France. pp.Vol.5, 09785. ⟨hal-00084673⟩

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