Abstract
Plutonites are part of the set of crystallines compose the Precambrian basement. Their study is capital because it allows participating in the debates on the geodynamic evolution of the West African craton. This study concerns granitoids and dioritoids of the North-East of Côte d’Ivoire located in the Man-Leo ridge structured by Eoeburnean magmatism. The petrographic and geochemistry constraints make it possible to say that these rock formations have evolved by the process of fractional crystallization. They have a hybrid origin (mantle and crust), metaluminous to peraluminous highlighted by geochemistry. Concerning the geotectonic context, these plutonites of the Baoulé-Mossi domain are emplacement in a context of subduction more precisely in a context of volcanic arc.
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