High-pressure single-crystal elasticity measurements of Al-Fe-bridgmanite support a Fe3+-rich pyrolitic lower mantle

Hauke Marquardt1, Alexander Kurnosov2, Daniel J Frost3, Tiziana Boffa Ballaran2 and Luca Ziberna4, (1)Bayerisches Geoinstitut, Universitaet Bayreuth, Bayreuth, Germany, (2)University of Bayreuth, Bayerisches Geoinstitut, Bayreuth, Germany, (3)University Bayreuth, Bayerisches Geoinstitut, Bayreuth, Germany, (4)Bayerisches Geoinstitut, Bayreuth, Germany