1. Geography and Earth Sciences Department University of Malawi Zomba Malawi
2. Department of Geosciences Colorado State University Fort Collins Colorado USA
3. Lamont‐Doherty Earth Observatory Columbia University Palisades New York USA
4. School of Earth and Environmental Sciences Cardiff University Cardiff UK
5. School of Earth Sciences University of Bristol Bristol UK
6. Department of Geology University of Otago Dunedin New Zealand