Recycled basaltic material in mantle plumes explains the appearance of the X-discontinuity in the upper mantle beneath the Hawaiian hotspot: 2D geodynamic numerical models

Martina Monaco1, Juliane Dannberg1, Rene Gassmoeller1 and Stephen Pugh2, (1)University of Florida, Department of Geological Sciences, Gainesville, United States, (2)University of Cambridge, Department of Earth Sciences, Cambridge, United Kingdom