%0 Journal Article %T MATERIAL COMPOSITION OF CLAY FROM THE AL-NAJAF FIELD (IRAQ) %A Vezentsev, A.I. %A Volovicheva, N.A. %A Korolkova, S.V. %A Al-Ateya, A.. %K kaolinite, illite, montmorillonite, x-ray phase analysis, energy dispersion method, electron microscopic analysis, thermogravimetric analysis %J Bulletin of Belgorod State Technological University named after. V. G. Shukhov %D 2020 %N 5 %P 6 %I Belgorod State Technological University named after V.G. Shukhov