Aluminum in MgSiO3 enstatite and implications for the depth and lateral variability of the X-discontinuity

Carmen Sanchez-Valle, University of Münster, Institute for Mineralogy, Münster, Germany, Jingyun Wang, University Science & Technology of China, Hefei, China and Roland Stalder, University of Innsbruck, Institute of Mineralogy and Petrography, Innsbruck, Austria