1. Department of Earth Sciences University of Western Ontario London Ontario N6A 5B7 Canada
2. Department of Natural History Royal Ontario Museum Toronto Ontario M5S 2C6 Canada
3. School of the Environment, Geography and Geosciences University of Portsmouth Portsmouth PO13QL UK
4. Department of Earth and Planetary Sciences University of California Davis One Shields Avenue Davis California 95616 USA
5. Institute for Earth and Space Exploration University of Western Ontario London Ontario N6A 5B7 Canada
6. Earth Sciences Research Centre (ESRC) Sultan Qaboos University Al‐Khoudh Muscat 123 Sultanate of Oman