Dr.  Muhannad Hamed Al-Jabri a member in College of Science, Department of Geology at the University of Basra, participated in the  discussion of a Ph.d thesis in the College of science in Bagdad University for master's student Ali Muttlack thesis titled ( Quantitative and qualitative assessments of claystone of Injana Formation in Karbala- Najaf plateau  and adjacent land in central Iraq for the manufacture of cement and bricks)