ONTOGENESIS OF CORUNDUM DEPOSITS OF THE RAY-IZ MASSIF, THE POLAR URALS
Ontogenetic studies of a collection of corundum-bearing plagioclasites and glimmtrites from Rubinovy Log occurrence in the Ray-Iz massif, Polar Urals, indicate a magmatic model of formation of mineralization. The main morphological of feature is eutectic structure of rock-forming plagioclase, phlogopite, corundum, chromite, hercynite, and paragonite.