Integrating U-Th-He and K-Ar geochemistry with mantle convection models to investigate the geochemical structure of the mantle

Rosie Jones1, Peter E van Keken2, Jonathan Tucker3 and Chris J Ballentine1, (1)University of Oxford, Department of Earth Sciences, Oxford, United Kingdom, (2)Carnegie Institution for Science, Department of Terrestrial Magnetism, Washington, DC, United States, (3)Carnegie Institution for Science, Department of Terrestrial Magnetism, Washington, MA, United States