Comparison of detrital zircons age distributions from sandstones of upper Vendian strata of East European and Siberian cratons (some tectonical conclusions)
A comparison of detrital zircons ages distributions from the similar age sandstones of the Southern Urals edge of the East European Craton (EEC) and the Yenisei-Sayan edge of the Siberian Craton (SC) has shown their essential difference. This means, that these sandstones were formed by accumulation of erosion products from different provenances. The Upper Vendian sandstones of the west periphery of SC were substantially composed of material from the Archean and Paleoproterozoic crystalline complexes of the Siberian Craton basement. But the Upper Vendian- (?) Middle Cambrian sandstones of the east periphery of EEC were composed of mostly Mesoproterozoic materials, which is typical neither for the inner parts of EEC basement, nor for SC basement. This means, that these sandstones were formed in different sedimentary basins, and EEC and SC did not have the structural and spatial relations.