The Department of Geology at the College of Science discussed a master's thesis entitled (A Sedimentary Study and Life Aggregates of Selected Islands of the Shatt Al-Arab, Southern Iraq). The researcher Ayat Hassan Ali's thesis aims to determine the sediment texture, the total organic carbon content, the nature of sedimentation, the sediment sources on the islands, and the most important life aggregates present on the islands.
The study included sedimentary characteristics and diagnosis of the biota in the islands of Muhammadiyah, Sinbad and Salhia. Four sites were taken from each island of Salhia, in which the clay prevailed over silting, and Sinbad Island, whose sediments were dominated by silting, and five sites were taken from the island of Muhammadiyah. The results of the biota study indicated that the presence of castropoda was low in the islands of Salihiya and Muhammadiyah, but on the island of Sinbad it was found in abundance, and there were many marine species, which indicates the availability of nutrients and a suitable environment for living.
The results concluded that Al-Salihiya Island has a poor sorting, the coefficient of torsion is very rough, and the flattening is flat, and this indicates a low speed of the currents, which is therefore calm in the sedimentation environment, and in the sediments of Sinbad Island, the silt sediments have dominated the mud in all depths, and this indicates the strength of the currents.