1. Group 18 Laboratories School of Earth and Space Exploration Arizona State University Tempe Arizona 85287 USA
2. GEOMAR Helmholtz Centre for Ocean Research Kiel D‐24148 Kiel Germany
3. LeRoy Eyring Center for Solid State Science Arizona State University Tempe Arizona 84287 USA
4. Central Analytical Research Facility Queensland University of Technology Brisbane Queensland 4000 Australia
5. Department of Geological Sciences University of Delaware Newark Delaware 19716 USA
6. Department of Lithospheric Research University of Vienna A‐1090 Vienna Austria
7. Natural History Museum Burgring 7 A‐1010 Vienna Austria
8. U.S. Geological Survey 926A National Center Reston Virginia 20192 USA
9. IODP Core Repository Bremen D‐28359 Germany