Petrographic and granulometric researches of Early Proterozoic metaterrigenous rocks of Losevo series (Strelitca thickness), composing the considerable areas between two megablocks of the Voronezh Crystal Massif, have allowed to prove transfer Strelitca thicknesses in a rank of a series with a partition on two thicknesses: metaterrigenous bottom with three members and metavolcanic top. <...> In Strelitca time Paleobasin occurred avalanche sedimentation. <...> The Paleobasin was a narrow and dynamically developing deep-water hollow (modern analog are back arc basin). <...> Statistical modelling of compositional trends in sediments / Hilmar von Eynatten // Sediment. <...> Cox R. A Conceptual review of regional-scale controls on the composition of clastic sediment and the co-evolution of continental blocks their sedimentary cover / R. Cox and D. R. Lowe // J. Sed. <...>