S. A. Korol
Institute of the Earth’s Crust, Siberian Branch of the Russian Academy of Sciences
Russian Federation

128 Lermontov St, Irkutsk 664033

A. V. Sankov
Institute of the Earth’s Crust, Siberian Branch of the Russian Academy of Sciences
Russian Federation

128 Lermontov St, Irkutsk 664033

A. A. Dobrynina
Institute of the Earth’s Crust, Siberian Branch of the Russian Academy of Sciences; Geological Institute, Siberian Branch of the Russian Academy of Sciences
Russian Federation

128 Lermontov St, Irkutsk 664033

Sakhyanova St, Ulan-Ude 670047, Republic of Buryatia

V. A. Sankov
Institute of the Earth’s Crust, Siberian Branch of the Russian Academy of Sciences; Irkutsk State University
Russian Federation

128 Lermontov St, Irkutsk 664033

3 Karl Marx St, Irkutsk 664011