A. V. Kotlyarov
V.S. Sobolev Institute of Geology and Mineralogy, Siberian Branch of RAS; Kazan (Volga Region) Federal University.
Russian Federation

Alexei V. Kotlyarov, Candidate of Geology and Mineralogy, Researcher. 

Novosibirsk.

V. A. Simonov
V.S. Sobolev Institute of Geology and Mineralogy, Siberian Branch of RAS; Novosibirsk National Research State University; Kazan (Volga Region) Federal University.
Russian Federation

Vladimir A. Simonov, Doctor of Geology and Mineralogy, Chief Researcher. Novosibirsk.

I. Yu. Safonova
V.S. Sobolev Institute of Geology and Mineralogy, Siberian Branch of RAS; Novosibirsk National Research State University.
Russian Federation

Inna Yu. Safonova, Candidate of Geology and Mineralogy, Chief Researcher.

Novosibirsk.