Petrogenesis and tectonic affinities of Imorona-Itsindro gabbros in the Alaotra region of central Madagascar: whole rock analyses and geodynamic implications - Rarivoarison, Heninjara Narimihamina; Rakotondrazafy, Raymond; Sanchez-Pastor, Nuria (International Journal of Advance Research and Innovative Ideas In Education, 2023)