RUDN Journal of Engineering ResearchRUDN Journal of Engineering Research2312-81432312-8151Peoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University)4979Research ArticleComparative characteristic of high-quality bentonite deposits of Russia and some foreign countriesBelousovP Emdf.rudn@mail.ruJoint-Stock Company «METACLAY»150220132556107092016Copyright © 2013,2013There is a brief geological structure of Tihmenevo, Dash-Salahly and Greek group of deposits. Their mineral and chemical structures, and comparative characteristic are given. The main directions of use of bentonites of these deposits are described.bentonitesmectitesodium montmorilloniteбентонитсмектитнатриевый монтмориллонит