Mafic and Ultramafic Rocks of the Birimian Greenstone Belts, West African Craton: Tectonic Setting and Geodynamic Evolution

Ibrahima Dia1, Wendy R Nelson2, Shelby Bowden3, Tanya Furman3 and Amanda Urist3, (1)Université Amadou Mahtar Mbow, Ecole Supérieure des Mines, de la Géologie et de l'Environnement, Dakar, Senegal, (2)Towson University, Department of Physics, Astronomy, and Geosciences, Towson, MD, United States, (3)Pennsylvania State University, Department of Geosciences, University Park, United States