S. V. Khromykh
V.S. Sobolev Institute of Geology and Mineralogy, Siberian Branch of RAS; Novosibirsk State University
Russian Federation

Candidate of Geology and Mineralogy, Senior Researcher,

3 Academician Koptyug ave, Novosibirsk 630090;

2 Pirogov street, Novosibirsk 630090

G. N. Burmakina
Geological Institute, Siberian Branch of RAS
Russian Federation

Candidate of Geology and Mineralogy, Researcher,

6a Sakhyanova street, Ulan-Ude 670047

A. A. Tsygankov
Geological Institute, Siberian Branch of RAS; Buryat State University
Russian Federation

Doctor of Geology and Mineralogy, Director,

6a Sakhyanova street, Ulan-Ude 670047;

24a Smolin street, Ulan-Ude 670000

P. D. Kotler
V.S. Sobolev Institute of Geology and Mineralogy, Siberian Branch of RAS
Russian Federation

Junior Researcher,

3 Academician Koptyug ave, Novosibirsk 630090

A. G. Vladimirov
V.S. Sobolev Institute of Geology and Mineralogy, Siberian Branch of RAS; Novosibirsk State University; Tomsk State University
Russian Federation

Doctor of Geology and Mineralogy, Chief Researcher, Professor,

3 Academician Koptyug ave, Novosibirsk 630090;

2 Pirogov street, Novosibirsk 630090;

50 Lenin ave, Tomsk 634050