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Long Pleistocene Pollen Records from the Praclaux Crater, South-Central France

Published online by Cambridge University Press:  20 January 2017

Maurice Reille  and
Jacques-Louis de Beaulieu
Maurice Reille
Affiliation:
Laboratoire de Botanique historique et Palynologie, URA CNRS 1152, 13397 Marseille cedex 20, France
Jacques-Louis de Beaulieu
Affiliation:
Laboratoire de Botanique historique et Palynologie, URA CNRS 1152, 13397 Marseille cedex 20, France
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Abstract

A 46-m core of lake sediments, obtained from the center of the explosion crater of Praclaux (Haute-Loire, Velay, France), was studied on the basis of 368 pollen spectra. Five temperate forest episodes alternating with phases indicative of glacial climates are recorded. Two of these episodes show vegetation successions representative of full interglaciations; the oldest is contemporaneous with the Holsteinian interglaciation. A thick trachytic tephra permits correlation to be established with the pollen sequence from Lac du Bouchet. This comparison indicates the presence of two complete interglaciations between the Holsteinian and the Eemian that are the equivalents of marine isotope stages 7 and 9. The Holsteinian therefore corresponds to isotope stage 11.

Type
Research Article
Information
Quaternary Research , Volume 44 , Issue 2 , September 1995 , pp. 205 - 215
Copyright
University of Washington

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