A. Yu. Eskin
Institute of the Earth’s Crust, Siberian Branch of RAS
Russian Federation

Candidate of Geology and Mineralogy, Researcher,

128 Lermontov street, Irkutsk 664033

V. I. Dzhurik
Institute of the Earth’s Crust, Siberian Branch of RAS
Russian Federation

Doctor of Geology and Mineralogy, Head of Laboratory,

128 Lermontov street, Irkutsk 664033

S. P. Serebrennikov
Institute of the Earth’s Crust, Siberian Branch of RAS
Russian Federation

Candidate of Geology and Mineralogy, Senior Researcher,

128 Lermontov street, Irkutsk 664033

E. V. Bryzhak
Institute of the Earth’s Crust, Siberian Branch of RAS
Russian Federation

Candidate of Geology and Mineralogy, Senior Researcher,

128 Lermontov street, Irkutsk 664033