Compositional mantle layering revealed by slab stagnation at ~1,000 km depth

Maxim Ballmer, University College London, ETH Zürich, London, United Kingdom; Tokyo Institute of Technology, ELSI, Tokyo, Japan, Takashi Nakagawa, University of Hong Kong, Department of Earth Sciences, Hong Kong, Hong Kong, Nicholas C Schmerr, University of Maryland College Park, College Park, MD, United States, Jeroen Ritsema, Univ Michigan, Ann Arbor, MI, United States and Matthew Motoki, University of Hawaii at Manoa, Honolulu, HI, United States