1. Centre for Earth Evolution and Dynamics, University of Oslo, Blindern, 0316, Norway
2. GeoZentrum Nordbayern, Department of Geography and Geosciences, Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen, Bavaria, Germany
3. Siberian Branch of the Russian Academy of Sciences, Institute of the Earth's Crust, 664033 Irkutsk, Russia Federation