Criteria for local forecasting of ornamental Perelivt deposits in the Middle Urals
Abstract
The following prospecting criteria are considered: 1) structural - confinement of manifestations to zones of large faults - fracture zones of northeastern strike; 2) magmatic - localization of Perelivt objects within granite complexes of the Murzinsko-Aluisky median massif; 3) metasomatic - halos of hydrothermal argillization of granites; 4) mineralogical - mineral composition of vein execution, order of combination of structures and textures of vein quartz, determined by ontogenic evolution of quartz-overflow vein substance. The formation of quartz-perelivt veins in this area is associated with the processes of tectonomagmatic activation in the early Mesozoic.
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