1. Department of Mineral Sciences, National Museum of Natural History, Smithsonian Institution, Washington, D.C. 20560, U.S.A.
2. Bush Heritage Australia, 395 Collins Street, Melbourne, Victoria 3000, Australia
3. Rosenstiel School of Marine and Atmospheric Science, University of Miami, Miami, Florida 33149, U.S.A.
4. Geological Survey of Western Australia, 100 Plain Street, East Perth 6004, Western Australia, Australia
5. Viking Geosolutions, LLC, P.O. Box 19046, Houston, Texas 77224, U.S.A.
6. Zehntenstrasse 19, 8800 Thalwil, Switzerland
7. James Cook University, Townsville, 4811 Queensland, Australia