Dmitry P. Gladkochub
Institute of the Earth’s Crust, Siberian Branch of RAS
Russian Federation

Doctor of Geology and Mineralogy, Acting Director of the Institute,

128 Lermontov street, Irkutsk 664033

Tatiana V. Donskaya
Institute of the Earth’s Crust, Siberian Branch of RAS
Russian Federation

Candidate of Geology and Mineralogy, Senior researcher,

128 Lermontov street, Irkutsk 664033

Eugene V. Sklyarov
Institute of the Earth’s Crust, Siberian Branch of RAS
Russian Federation

Corresponding Member of RAS, Doctor of Geology and Mineralogy, professor, Chief Researcher,

128 Lermontov street, Irkutsk 664033