Hongluo Zhang, China University of Geosciences (Beijing), Beijing, China, Marc M Hirschmann, University of Minnesota Twin Cities, Department of Earth Sciences, Minneapolis, MN, United States, Michael J Walter, Carnegie Institution for Science, Geophysical Laboratory, Washington, DC, United States, Oliver T Lord, University of Bristol, School of Earth Sciences, Bristol, United Kingdom, Elizabeth Cottrell, Smithsonian, NMNH, Washington, DC, United States, Sally June Tracy, California Institute of Technology, Pasadena, CA, United States and Avishek Rudra, University of Minnesota Twin Cities, Minneapolis, MN, United States