Impact of Gercus Formation Erosion and Rock Sliding on Duhok Dam Reservoir – Northern Iraq

The environmental impact was illustrated by rockslide and erosion on the Duhok Dam its reservoir. evaluation of geotechnical characteristics Gercus Formation conducted. research plan divided into three phases, field, laboratory, office works. fieldwork included studying all geological phenomena region related to impact. laboratory work focused properties various rock samples taken from Formation. Rocklab program used define a mass. results indicated weak resistance rocks weathering processes, as well their sliding. These indicate kind risk for this formation stability dam, effect size reservoir storage, due deposition huge amounts sediments in dam