M. G. Volkova
A.P. Vinogradov Institute of Geochemistry, Siberian Branch of RAS
Russian Federation

Volkova, Maria G., Candidate of Geology and Mineralogy

1A Favorsky street, Irkutsk 664033

A. M. Spiridonov
A.P. Vinogradov Institute of Geochemistry, Siberian Branch of RAS
Russian Federation

Spiridonov, Aleksander M., Doctor of Geology and Mineralogy

1A Favorsky street, Irkutsk 664033

A. A. Borovikov
V.S. Sobolev Institute of Geology and Mineralogy, Siberian Branch of RAS
Russian Federation

Borovikov, Andrei A., Candidate of Geology and Mineralogy

3 Academician Koptyug ave., Novosibirsk 630090

N. V. Bryansky
A.P. Vinogradov Institute of Geochemistry, Siberian Branch of RAS
Russian Federation

Bryansky, Nikolai V., Candidate of Physics and Mathematics

1A Favorsky street, Irkutsk 664033

Е. A. Savina
A.P. Vinogradov Institute of Geochemistry, Siberian Branch of RAS
Russian Federation

Savina, Elena A., Candidate of Geology and Mineralogy

1A Favorsky street, Irkutsk 664033