Experimental constraints on a long-lived magma layer at the Martian core–mantle boundary

Experimental constraints on a long-lived magma layer at the Martian core–mantle boundary Rémy Pierru 1-2, Steeve Gréaux 3, Serena Dominijanni 4, Lianjie Man 5, Yoshio Kono 6, Sho Kakizawa 7, Yuji Higo 7, James Badro 8, Daniel J Frost 2 and Daniele Antonangeli 1 1) Muséum National d’Histoire Naturelle, Sorbonne Université, UMR CNRS 7590, Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie (IMPMC), Paris, France. 2) Bayerisches Geoinstitut, Universitaet Bayreuth, Bayreuth, Germany. 3) Geodynamics Research Center, Ehime University, Matsuyama, Japan. 4) CNR-ISSMC, URT Università degli studi di Roma Tre, Italy 5) Institute of Geochemistry and Petrology, ETH Zürich, Clausiusstrasse 25, CH-8092, Zürich, Switzerland 6) Department of Physics and Astronomy, Kwansei Gakuin University, Sanda, Japan 7) Japan Synchrotron Radiation Research Institute, SPring-8, Hyogo, Japan. 8) Université Paris Cité, Institut de Physique du Globe de Paris, CNRS, 75005 Paris, France. Corresponding author: Remy Pierru r.pierru30@gmail.com