Cpivak S. Petrogenesis of vein filling gapings in granitoids of Krivoy Rog and Korosten areas.

Results of investigation of the vein filing gapings in granitoids of Ukrainian Shield are introduced. Large amount of petrographical and mineralogical information that is important for estimation of permeability of granitoid terrains and fluids migration through them at lowtemperature gydrothermal processes is received. Three basic types of veinlets. The Krivoy Rog granitoide massif is high water permobilited and not favouralle for disposal of radioactive waste. The Korosten granite pluton is small water permobilited and is favourable for disposal of radioactive waste. Stude of the hydrothermal gangue forming has the large value for ore-formning