Eutectic melting in the MgO-SiO2 system and its implication to Earth’s lower mantle evolution

Marzena Anna Baron1,2, Oliver T Lord3, Robert Myhill3, Andrew Thomson4, Weiwei Wang4, Reidar G Tronnes2 and Michael J Walter5, (1)Institut de minéralogie, de physique des matériaux et de cosmochimie (IMPMC) - UMR CNRS 7590, Paris Cedex 5, France, (2)University of Oslo, Centre for Earth Evolution and Dynamics, Oslo, Norway, (3)University of Bristol, School of Earth Sciences, Bristol, United Kingdom, (4)University College London, London, United Kingdom, (5)University of Bristol, School of Earth Sciences, Bristol, BS8, United Kingdom