Ophiolitic Chromitites from the Andriamena Greenstone Belt, Madagascar: Possible Evidence for mid-Archean Plate Tectonics

Laurie C. Reisberg1, Maryse Ohnenstetter2, Catherine Zimmermann1, Anick Ratefiarimino3 and Dan Levy1, (1)CRPG CNRS, Vandeuvre les Nancy, France, (2)GeoRessources, UMR 7359, Vandoeuvre-les-Nancy, France, (3)Université d'Antananarivo, Ecole Supérieure Polytechnique, Antananarivo, Madagascar