Geodynamics: Surviving mantle convection
Nature Geoscience 10, 161 (2017). doi:10.1038/ngeo2905
Author: Frédéric Deschamps
Hints from seismic tomography and geochemistry indicate that Earth’s mantle is heterogeneous at large scale. Numerical simulations of mantle convection show that, if it started enriched in silicates, the lower mantle may remain unmixed today.