Martine Gerard is based in the Institut de Minéralogie et de Physique des Milieux Condensés, Paris. His research topics are alterations of volcanic material, Mineralogy, Geochemistry, Micromorphology. Education: University of Paris XI, PhD ,« Bassins et fossés arrière-arc dans un contexte de collision/subduction: l'arc des Nouvelles Hébrides (Vanuatu). Hydrothermalisme, néogenèses et diagenèse d'une série volcano-sédimentaire. » Back-arc basins in a collision/subduction (Vanuatu). Hydrothermalism, neogenesis and diagenesis in volcano-sedimentary formations.Currently he is Director of the Laboratory of Superficial Formations, IRD (1998-2000); Chair of European Geosciences Union commission SSS1: Weathering, soil mineralogy and micromorphology, since 2006 Teaching (2002-2007): University of Yaoundé, Cameroon (PhD), University of Douala, Cameroon (Master: Pétrogenèse et modélisation des phénomènes d’altération météorique et hydrothermale), University of Paris 6 (Licence : Micromorphology, Mineralogy and Soil Sciences); Member of EU Cost Action 622, Soil resources of european volcanic systems; Co-organisation of SOIL AND SUSTAINABLE DEVELOPMENT IN THE INTERTROPICAL AFRICAN REGION, Douala, Cameroon, November 2007