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

The age of the Sahara desert

Mathieu Schuster  1 , Philippe Duringer, Jean-François Ghienne, Patrick Vignaud, Hassan Taisso Mackaye, Andossa Likius, Michel Brunet
Affiliations

The age of the Sahara desert

Mathieu Schuster et al. Science. .

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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