The College of Science in the Department of Geology discussed a thesis entitled: Assessment of Limestone and Marl in Zurbatiya area eastern Iraq for ordinary Portland cement industry, for postgraduate student Narjis Abdulridha Johni Al-Ali the thesis aims to . Conduct a mineralogical and chemical study of Ibrahim limestone and marl to assess their suitability as raw materials for ordinary Portland cement and Identify the main phases and microstructures of produce cement clinker by using XRD and SEM techniques.