Layered ores are widely spread at the weak metamorphoused Yaman-Kasy and Safyanovka massive sulfide deposits consisted of destructive products of the Paleozoic «black smokers» and neogenic sulfides. It was established that quantity of neogenic sulfides in clastic sulfide sediments grows with decrease of ore clast sizes from sulfide breccias to sandstones. Lithological factors (granulometry, initial composition and composition of non-metallic component of the near-ore sediments) of clastogene sulfides layers reflect the diagenetic origin of neogenic minerals.