Jabrane Labidi^1,2, Peter H Barry³, David Vincent Bekaert⁴, Michael Ward Broadley⁴, Bernard Marty⁴, Thomas Giunta⁵, Oliver Warr⁶, Barbara Sherwood Lollar⁷, Tobias P Fischer⁸, Guillaume Avice⁹, Antonio Caracausi¹⁰, Chris J Ballentine¹¹, Saemundur A Halldorsson¹², Andri Stefansson¹³, Mark D Kurz¹⁴, Issaku Edward Kohl¹⁵ and Edward D Young¹⁶, (1)UCLA - JIFRESSE, Los Angeles, CA, United States, (2)Institut de Physique du Globe de Paris, Paris, France, (3)Woods Hole Oceanographic Institution, Woods Hole, MA, United States, (4)CRPG Centre de Recherches Pétrographiques et Géochimiques, Vandoeuvre-Les-Nancy, France, (5)University of Toronto, Toronto, ON, Canada, (6)University of Toronto, Department of Earth Sciences, Toronto, ON, Canada, (7)University of Toronto, Earth Sciences, Toronto, ON, Canada, (8)University of New Mexico, Department of Earth and Planetary Sciences, Albuquerque, NM, United States, (9)IPGP institut de physique du globe de paris, Paris, France, (10)INGV, Palermo, Italy, (11)University of Oxford, Department of Earth Sciences, Oxford, United Kingdom, (12)SIO-UCSD, La Jolla, CA, United States, (13)University of Iceland, Reykjavik, Iceland, (14)WHOI, Woods Hole, MA, United States, (15)University of California Los Angeles, Los Angeles, CA, United States, (16)University of California Los Angeles, Earth, Planetary, and Space Sciences, Los Angeles, CA, United States