S. V. Рассказов
Institute of the Earth's Crust, Siberian Branch of RAS; Irkutsk State University
Russian Federation

Sergei V. Rasskazov - Doctor of Geology and Mineralogy, Professor, Head of Laboratory.

128 Lermontov street, Irkutsk 664033; 3 Lenin street, Irkutsk 664003

A. M. Ilyasova
Institute of the Earth's Crust, Siberian Branch of RAS
Russian Federation

Aigul M. Ilyasova - Candidate of Geology and Mineralogy.

128 Lermontovstreet, Irkutsk 664033

I. S. Chuvashova
Institute of the Earth's Crust, Siberian Branch of RAS; Irkutsk State University
Russian Federation

Irina S. Chuvashova - Candidate of Geology and Mineralogy, Senior Researcher.

128 Lermontov street, Irkutsk 664033; 3 Lenin street, Irkutsk 664003

E. P. Chebykin
Institute of the Earth's Crust, Siberian Branch of RAS; Limnological Institute, Siberian Branch of RAS
Russian Federation

Eugene P. Chebykin - Candidate of Chemistry, Senior Researcher.

128 Lermontov street, Irkutsk 664033; 3 Ulan-Batorskaya street, Irkutsk 664033