1. Institute of Precambrian Geology and Geochronology of the Russian Academy of Sciences, 2 Makarova Embankment, 199034 St. Petersburg, Russia
2. Faculty of Geological Prospecting, Saint Petersburg Mining University, 21-st Line 2, 199106 St. Petersburg, Russia
3. Zavaritsky Institute of Geology and Geochemistry of the Ural Branch of the Russian Academy of Sciences, 15 Akademika Vonsovskogo Str., 620010 Yekaterinburg, Russia
4. State Key Laboratory of Lithospheric Evolution, The Institute of Geology and Geophysics of the Chinese Academy of Sciences, 19 Beitucheng West Road, Beijing 100029, China
5. Department of Descriptive Geometry and Graphics, Institute of Basic Engineering Education, Saint Petersburg Mining University, 21-st Line 2, 199106 St. Petersburg, Russia