Dr. Maher Mandeel Mahdi a memper in College of Science, Department of Geology at the University of Basra, participated in the discussion of a master's thesis in the College of Science, Department of Applied Geology at the University of Babylon for postgraduate Rahman Fakher Matar thesis titled (Stratigraphic analysis of the  Pila Spi formation, northern Iraq). The study aims to diagnose and identify the most important sedimentary facies  The most important petrographic component of rock tissue