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HIGH-MG ROCKS FROM THE AGANOZERO CHROMITE ORE DEPOSIT, REPUBLIC OF KARELIA, AND THEIR APPLICATIONS

V. Ilyina
Thursday 11 October 2018 by Libadmin2018

ABSTRACT

The results of the study of high-Mg rocks from the Aganozero chromite deposit, located in the Republic of Karelia, are reported. It is a complex type of deposits. Other promising useful minerals, in addition to chromite ore mining, are Mg-rich ultramafics such as olivinite, dunite, serpentinite and pyroxenite. High-Mg dunite units are thick, and their MgO concentration varies 36.97 from 46.77%. Aganozero dunite is a good raw material for the production of refractory materials, e.g. refractory bricks, steel furnace lining, etc. The upper 20-30 m thick serpentinite horizon of the deposit consists of massive rocks, while deeper horizons are composed of unconsolidated varieties (kemistite). They can be used for the production of a porous heat-insulating material, various types of ceramics and anti-friction metal coating. Pyroxenite occurs at a depth of about 400 m. Pyroxenite can be used as a facing material in construction, heat-insulating ceramics and ceramic pigments.

Keywords: useful minerals, dunite, serpentinite, pyroxenite, application.


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