Institution: | a Institut für Geophysik, ETH Zürich, CH-8093, Zürich, Switzerland b Institut für Terrestrische Ökologie, ETH Zürich, CH-8952, Schlieren, Switzerland c Institute for Geophysical Research, University of Alberta, Edmonton, Alberta, Canada T6G 2J1 d Department of Geology, North-West University, Xi’an 710069, China e Palaeomagnetic Laboratory, Faculty of Geology, University of Kazan, 18 Lenin st., Kazan 420008, Russia |