SILICEOUS-OPAL RAW MATERIAL OF AKRESHEVSKY PLOT (KHMAD-YUGRA) AND ITS DETAILED MINERAL GRANULOMETRIC COMPOSITION
Granulometric composition was defined for gravel-sandy siliceous-opal raw material of Akreshevsky plot (KhMAD- Yugra) and mineralogical-petrographic composition of sifted sandy fraction.Overwhelming majority of sample throughout plot contains gaize-tripolite rocks of siliceous-opal matter which ranging from 13 % to 62 %, on average 33 % throughout plot. Usage similar siliceous deposits by way of diverse sorbents can contribute to the improvement of the ecological situation in our district.