تقييم معدني و كيميائي لرمال تكوين الدبدبة في منطقة طار النجف، وسط العراق

الملخص EN

This study includes petrography, mineralogy and chemical analysis of sediments of the Dibdibba Formation, which is exposed along Tar-Al-Najaf.

The obtained results show that the Dibdibba Formation contains about 72% sand.

Sand is essentially of coarse and medium – coarse sized, the average percentage reaches about 63%, which refer to precipitation of the sediments in active environment.

Sandstones of Dibdibba Formation consist essentially of quartz including mono-crystalline quartz, which reflects the igneous origin and poly-crystalline quartz, which reflects metamorphic and potash-feldspar; represented by orthoclase and few microcline, sodic feldspar; represented by albite and trace or obscene of calcic feldspar.