Abstract
The coarse-grained material (CGM) obtained at 89 stations in 67 and 68 cruises of the R/V “Akademik Mstislav Keldysh” when washing modern sediments was studied. Its petrographic composition was studied, 35 petrographic types and subtypes of rocks were identified, their cyclograms were compiled. It was noted that the CGMof the Barents Sea is subject to significant fluctuations, but in general, it is complementary to the set of rocks of the adjacent land and is quantitatively ensured by the size of the examination and the removal of the material by the glacier to the sedimentation areas. Such mobility of the CGM makes it difficult to use it as a marker for geo-mapping the bottom of the Barents Sea.
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