D. V. Lopatin
Institute of Earth Sciences of Saint Petersburg State University
Russian Federation

Dmitriy V. Lopatin - Candidate of Geography, Assistant Professor

33-35 10-Line of Vasilievsky Island, Saint Petersburg 199178

V. P. Chichagov
Institute of Geography of RAS
Russian Federation

Valeriy P. Chichagov - Doctor of Geography, Chief Researcher

29 Staromonetniy pereulok, Moscow 119017

T. M. Skovitina
Institute of the Earth’s Crust, Siberian Branch of RAS
Russian Federation

Тatiana M. Skovitina - Candidate of Geology and Mineralogy, Senior Researcher

128 Lermontov street, Irkutsk 664033

A. A. Shchetnikov
Institute of the Earth’s Crust, Siberian Branch of RAS; Irkutsk Scientific Center, Siberian Branch of RAS; A.P. Vinogradov Institute of Geochemistry, Siberian Branch of RAS
Russian Federation

Aleksander A. Shchetnikov - Candidate of Geology and Mineralogy, Senior Researcher Institute of the Earth’s Crust, Siberian Branch of RAS 

128 Lermontov street, Irkutsk 664033, 

134 Lermontov street, Irkutsk 664033, 

1A Favorsky street, Irkutsk 664033