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Alfiya Sh. Khusainova
Sobolev Institute of Geology and Mineralogy of the Siberian Branch of the Russian Academy of Sciences
3, Ac. Koptyug Av., 3 Novosibirsk, 630090, Russian Federation
e-mail: khusainova@igm.nsc.ru

Yury A. Kalinin
Sobolev Institute of Geology and Mineralogy of the Siberian Branch of the Russian Academy of Sciences
3, Ac. Koptyug Av., 3 Novosibirsk, 630090, Russian Federation

Olga L. Gaskova
Sobolev Institute of Geology and Mineralogy of the Siberian Branch of the Russian Academy of Sciences
3, Ac. Koptyug Av., 3 Novosibirsk, 630090, Russian Federation

Svetlana B. Bortnikova
Trofimuk Institute of Petroleum Geology and Geophysics of the Siberian Branch of the Russian Academy of Sciences
3, Ac. Koptyug Av., 3 Novosibirsk, 630090, Russian Federation