1. College of Earth, Ocean, and Atmospheric SciencesOregon State University Corvallis OR USA
2. Scripps Institution of OceanographyUniversity of California San Diego La Jolla CA USA
3. Faculty of GeosciencesUniversity of Bremen Bremen Germany
4. Steinmann‐InstituteUniversity of Bonn Bonn Germany
5. School of Interdisciplinary Arts and SciencesUniversity of Washington Tacoma WA USA
6. Institut de Physique du Globe de Paris‐Sorbonne Paris CitéUniversité Paris Diderot Paris France
7. Centre de Recherches Pétrographiques et GéochimiquesCNRS Université de Lorraine Vandoeuvre les Nancy France