Enregistrement des variations climatiques par les éléments traces dans les spéléothèmes

Enregistrement des variations climatiques par les éléments traces dans les spéléothèmes

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Les spéléothèmes (concrétions carbonatées se formant dans les zones karstiques) sont des archives paleo-climatiques reconnues, dont l’intérêt majeur est de pouvoir être datées précisément par la méthode Uranium-Thorium. En revanche, les traceurs traditionnellement utilisés pour reconstruire les clim...

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Bibliographic Details
Main Author:	Bourdin, Clément
Other Authors:	Paris 11
Language:	fr
Published:	2012
Subjects:	Géochimie élémentaire Éléments traces ICP-MS 87Sr/86Sr Spéléothèmes Variabilité climatique rapide Déglaciation Holocène Elemental geochemistry Trace elements Speleothems Millenial climatic variability Deglaciation Holocene
Online Access:	http://www.theses.fr/2012PA112178/document

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