1. Department of Earth and Planetary Sciences, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208, USA
2. Department of Earth Sciences, University of Geneva, Rue des Maraîchers 13, CH-1205 Geneva, Switzerland
3. Department of Geological Sciences, Brigham Young University, S389 Eyring Science Center, Provo, UT 84602, USA
4. Department of Geology, Grand Valley State University, Padnos Hall of Science, 1 Campus Drive, Allendale, MI 49401, USA
5. GeoZentrum Nordbayern, Friedrich-Alexander University Erlangen-Nürnberg, Schlossgarten 5, 91054 Erlangen, Germany