Facies distribution and paleogeography of upper Cretaceous deposits in khleisia anah – Ramadi area western Iraq

Abstract

Based on geological Data obtained from some deep wells in khleisia anah- Ramadi area western Iraq, The distribution of the upper cretaceous Tayarat and digma formations and there facies in discussed the tayarat formation representing shallow water deposits of the lite campanian is recorded over all the area of study Tectonic movment during maastrichtian created the anah graben in which deep sea sediments of digma formation deposited Regression of the sea started during early maastrichtian, led to gradual exposition of the northern middle and finally the western parts of the studied are. Arabic 2 Facies distribution and paleogeography of lower tertiary deposits in khleisia anah – Ramadi area western Iraq