1. Bullard Laboratories Department of Earth Sciences University of Cambridge Cambridge UK
2. Department of Earth Sciences University of Oxford Oxford UK
3. Department of Earth and Planetary Sciences Birkbeck University of London London UK
4. Department of Earth Science University College London London UK
5. School of Geography, Environment and Earth Sciences Victoria University of Wellington Wellington New Zealand
6. GNS Science Lower Hutt New Zealand
7. Research School of Earth Sciences The Australian National University Canberra Australia