A. I. Kiselev
Institute of the Earth’s Crust, Siberian Branch of RAS
Russian Federation

Doctor of Geology and Mineralogy, Lead Researcher,

128 Lermontov street, Irkutsk 664033

B. B. Kochnev
A.A. Trofimuk Institute of Petroleum Geology and Geophysics, Siberian Branch of RAS
Russian Federation

Candidate of Geology and Mineralogy, Senior Researcher,

3 Acad. Koptyug prosp., Novosibirsk 630090

V. V. Yarmolyuk
Institute of Geology of Ore Deposits, Petrography, Mineralogy and Geochemistry of RAS
Russian Federation

Doctor of Geology and Mineralogy, Academician of RAS, Head of Laboratory,

35 Staromonetnyi per., Moscow 109017

V. I. Rogov
A.A. Trofimuk Institute of Petroleum Geology and Geophysics, Siberian Branch of RAS
Russian Federation

Junior Researcher,

3 Acad. Koptyug prosp., Novosibirsk 630090

K. N. Egorov
Institute of the Earth’s Crust, Siberian Branch of RAS, Irkutsk
Russian Federation

Candidate of Geology and Mineralogy, Head of Laboratory,

128 Lermontov street, Irkutsk 664033