Engineering geology is a branch of geology, which are mainly concerned with the geological problems encountered in civil engineering. Engineering Geology is devoted to the investigation, study and solution of the engineering and environmental problems which may arise as the result of the interaction between geology and the works and activities of man as well as to the prediction and the development of measures for prevention or mediation of geological hazards. Its main tasks is to investigate and evaluate the geological engineering problems, provide the basic information for the plan, design and construction of the civil engineering.