A. V. Korovko
A.N. Zavaritsky Institute of Geology and Geochemistry, Ural Branch of RAS
Russian Federation

Candidate of Geology and Mineralogy, Senior Researcher,

15 Akademik Vonsovsky street, Yekaterinburg 620016

G. Yu. Shardakova
A.N. Zavaritsky Institute of Geology and Geochemistry, Ural Branch of RAS
Russian Federation

Candidate of Geology and Mineralogy, Lead Researcher,

15 Akademik Vonsovsky street, Yekaterinburg 620016

V. N. Puchkov
A.N. Zavaritsky Institute of Geology and Geochemistry, Ural Branch of RAS
Russian Federation

Doctor of Geology and Mineralogy, Corresponding Member of RAS, Chief Researcher,

15 Akademik Vonsovsky street, Yekaterinburg 620016

V. B. Khubanov
Geological Institute, Siberian Branch of RAS; D. Banzarov Buryat State University
Russian Federation

Candidate of Geology and Mineralogy, Senior Researcher, 6a Sakhyanova street, Ulan-Ude 670047;

24a Smolin street, Ulan-Ude 670000