Soil Pollution in heavy metals , Tikrit Area

Abstract

Selected location in North, Center and South Tikrit city have been sampled for the purpose to determine the heavy metals in soil. From grain size point that the soil mostly sandy loam soil with organic content in different percentages. The identified heavy minerals are; biotite, epidote , muscovite, and opaque minerals in high percentages .The recognized minerals by (XRD) are; The clay minerals , Montmorilonite , Illite , Kaolinite , Palygorskite , and the non – clay minerals are; calcite, Gypsum and Quartz. The heavy metals including the determination of (Co, Cd, Pb, Cu, Fe, Zn, and Ni) . It is found that most of these elements have concentration higher than natural concentration in the earth crust or soil, that may be due to the pollution from different sources .