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Science. 2006 Feb 10;311(5762):821. doi: 10.1126/science.1120161.

The age of the Sahara desert.

Science (New York, N.Y.)

Mathieu Schuster, Philippe Duringer, Jean-François Ghienne, Patrick Vignaud, Hassan Taisso Mackaye, Andossa Likius, Michel Brunet

Affiliations

  1. Université Bretagne Occidentale, Institut Universitaire Européen de la Mer, Domaines Océaniques, CNRS Unité Mixte de Recherche (UMR) 6538, 1 place Nicolas Copernic, 29280 Plouzané, France. [email protected]

PMID: 16469920 DOI: 10.1126/science.1120161

Abstract

In the Sahara region, the age of onset of the desert condition has been uncertain until now. Here we report on the discovery of 7,000,000-year-old eolian dune deposits from the northern Chad Basin. This geological archive is the oldest known evidence for desert occurrence in the Sahara.

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