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

Hauke Marquardt1, Alexander Kurnosov1, Daniel J Frost2, Tiziana Boffa Ballaran3 and Luca Ziberna3, (1)Bayerisches Geoinstitut, Universitaet Bayreuth, Bayreuth, Germany, (2)Bayerisches Geoinstitut, Universit├Ąt Bayreuth, Bayreuth, Germany, (3)Bayerisches Geoinstitut, Bayreuth, Germany