Diatom, phytolith, and pollen records from a 10 Be/ 9 Be dated lacustrine succession in the Chad basin: Insight on the Miocene–Pliocene paleoenvironmental changes in Central Africa

Alice Novello,Anneelisabeth Lebatard,Abderamane Moussa,Doris Barboni,Florence Sylvestre,Didier Bourles,Christine Pailles,Guillaume Buchet,Alain Decarreau,Philippe Duringer,Jeanfrancois Ghienne,Jean Maley,Jeancharles Mazur,Claude Roquin,Mathieu Schuster,Patrick Vignaud

Palaeogeography, Palaeoclimatology, Palaeoecology（2015）

Cited 28|Views31

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Abstract

A discontinuous 200m-long borehole drilled in the Bol Archipelago (13°N, Lake Chad) provided 25 samples, which were dated using the 10Be/9Be method and analyzed for their micro-biological content. The dating provided ages ranging from 6.3±0.1 to 2.6±0.1Ma, a period contemporaneous with the Pliocene fossil localities located in the current Djurab desert of Chad (16–17°N).

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Key words

Lake Chad,Sahara-Sahel,Miocene–Pliocene,Vegetation,Climate,Hominin

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