The Age of the Sahara Desert

  title={The Age of the Sahara Desert},
  author={Mathieu Schuster and Philippe Duringer and Jean‐François Ghienne and Patrick Vignaud and Hassan Taisso Mackaye and Andossa Likius and Michel Brunet},
  pages={821 - 821}
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. 
Aridification of the Sahara desert caused by Tethys Sea shrinkage during the Late Miocene
The Tortonian stage of the Late Miocene epoch is identified as the pivotal period for triggering north African aridity and creating the Sahara desert, and it is demonstrated that the African summer monsoon was drastically weakened by the Tethys Sea shrinkage during the Tortonian, allowing arid, desert conditions to expand across north Africa.
The Formation of the Sahara Desert: Evidence for the Slow Ending of the Great Ice Age
The aim of this meta-study is to provide an understanding of the events which slowly ended the Great Ice Age (GIA) and caused the formation of the Sahara Desert. During the GIA, a layer of floating
Late Miocene global cooling and the rise of modern ecosystems
A period of continental aridification and ecosystem change occurred about seven million years ago. A global sea surface temperature reconstruction identifies cooling temperatures and a strengthened
Author Correction: The rise and fall of the Old World savannah fauna and the origins of the African savannah biome
In the version of this Article originally published, each of the five panels in Fig. 5 incorrectly contained a black diagonal line across the plot. This has now been corrected.
Late Miocene karst system at Sheikh Abdallah, between Bahariya and Farafra, Western Desert, Egypt: Implications for palaeoclimate and geomorphology
The extensive spelean deposits in the Western Desert of Egypt at Crystal Mountain (Gebel Bellorat) are considered to be 11-10 Ma, confirming the ‘Vallesian’ estimate made by Heissig (1982). Several
Chad Basin: Paleoenvironments of the Sahara since the Late Miocene


Late Pleistocene and Holocene dune activity and wind regimes in the western Sahara Desert of Mauritania
The western Sahara Desert in Mauritania is dominated by extensive sand seas consisting largely of linear dunes. Analyses of Landsat images, geomorphic and stratigraphic studies, and optically
A new hominid from the Upper Miocene of Chad, Central Africa
The discovery of six hominid specimens from Chad, central Africa, 2,500 km from the East African Rift Valley, suggest that the earliest members of the hominids clade were more widely distributed than has been thought, and that the divergence between the human and chimpanzee lineages was earlier than indicated by most molecular studies.
Geology and palaeontology of the Upper Miocene Toros-Menalla hominid locality, Chad
The fauna from Toros-Menalla site 266 suggests that S. tchadensis lived close to a lake, but not far from a sandy desert, perhaps the oldest record of desert conditions in the Neogene of northern central Africa.
New material of the earliest hominid from the Upper Miocene of Chad
New dental and mandibular specimens from three Toros-Menalla fossiliferous localities of the same age are described, including a lower canine consistent with a non-honing C/P3 complex, post-canine teeth with primitive root morphology and intermediate radial enamel thickness, which confirm the morphological differences between S. tchadensis and African apes.