Read full paper at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=51834#.VHfUE2fHRK0 Author(s) Abdoulaye Ndiaye , Papa Malick Ngom * Affiliation(s) Department of Geology, Faculty of Sciences and Technology, Cheikh Anta Diop University, Dakar, Senegal . ABSTRACT The Cenozoic alkaline volcanism of the Senegalo-Mauritania sedimentary basin presents an episodic long-lasting volcanic activity from the Eocene-Oligocene boundary up to the Quaternary. Two volcanic episodes are usually distinguished on stratigraphical grounds: a Miocene one and a Quaternary one separated by a period of quiescence of several million years corresponding to the main phase of lateritic weathering. The Tertiary lavas are highly s...
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