Grain growth kinetics of ringwoodite and majorite garnet mixtures and implications for the rheology of the transition zone

Isra Ezad1, David P Dobson2, John Peter Brodholt3, Simon Hunt4 and Andrew Thomson1, (1)University College London, London, United Kingdom, (2)University College London, Earth Sciences, London, United Kingdom, (3)University of Oslo, Centre of Earth Evolution and Dynamics, Oslo, Norway, (4)University of Manchester, Department of Materials, Manchester, M13, United Kingdom