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Morphogenèse et géosystèmes au Pléistocène supérieur et à l'Holocène dans l'Extrême-Sud tunisien

Abstract : In the southernmost part of Tunisia, the alluvial terrace attributed to Upper Pleistocene is poorly dated and covered with a travertine. The lower terrace, well dated, was accumulating during the Holocene humid phases. This accumulation occured mainly during Lower Holocene (characterized by local lakes and high levels of the main Saharan lakes). Middle Holocene accumulation was less important by contrast with the more humid mediterranean zone. The intermediate dry phase caused the stop of the filling up and, locally, a vertical incision. There is no very low Holocene historic terrace.
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Contributor : Jean-Louis Ballais <>
Submitted on : Monday, July 24, 2017 - 11:28:46 AM
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Jean-Louis Ballais, Sophie Bieda, Nicole Petit-Maire, Pierre Félix Burollet, Michel Fontugne, et al.. Morphogenèse et géosystèmes au Pléistocène supérieur et à l'Holocène dans l'Extrême-Sud tunisien. Mémoires de la Société Géologique de France, Société Géologique de France, 1995, Déserts tropicaux et changements globaux, 167, pp.25-32. ⟨hal-01565035⟩

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