O. F. Lukhneva
Institute of the Earth’s Crust, Siberian Branch of RAS
Russian Federation

Lukhneva, Olga F., Candidate of Geology and Mineralogy, Researcher.

128 Lermontov street, Irkutsk 664033

M. G. Dembelov
Institute of Physical Materials Science, Siberian Branch of RAS
Russian Federation

Dembelov, Mikhail G., Candidate of Physics and Mathematics, Senior Researcher.

6 Sakhyanova street, Ulan-Ude 670047

A. V. Lukhnev
Institute of the Earth’s Crust, Siberian Branch of RAS
Russian Federation

Lukhnev, Andrei V., Candidate of Geology and Mineralogy, Senior Researcher.

 128 Lermontov street, Irkutsk 664033