Institution: | 1.Institute of Precambrian Geology and Geochronology, Russian Academy of Sciences, 199034, St. Petersburg, Russia ;2.Institute of Geology of Ore Deposits, Petrography, Mineralogy, and Geochemistry, Russian Academy of Sciences, 119017, Moscow, Russia ;3.Karpinsky Russian Geological Research Institute, 199106, St. Petersburg, Russia ; |