Institution: | 1.St. Petersburg State University, 199034, St. Petersburg, Russia ;2.Karpinsky Russian Geological Research Institute, 199106, St. Petersburg, Russia ;3.Geological Institute of the Russian Academy of Sciences, 119017, Moscow, Russia ;4.Department of Geology and Geophysics, University of Wyoming, Laramie, United States of America ;5.National Research Tomsk State University, 634050, Tomsk, Russia ; |