A seminar entitled (Paleontological, Sedimentological and Sequence Stratigraphy study to the Yamama formation in selected wells at different oilfields, southern Iraq).  Hold at the College of Science, Geology Department. The presenter Rana Tahseen Kahdem demonstrates the most important objectives of preform Sedimentological study to studied formation based on thin-section to determine the environments of Yamama Formation, as well diagenesis of formation, diagnose of micropaleontology and biostratigraphy for Yamama fossils, to the Foraminifera, algae, etc, and building of sedimentary model for the yamama formation, contain all the sedimentary data that collected to the formation.