MICROFACIES ANALYSIS OF SHIRANISH FORMATION AT HIJRAN SECTION- NE IRAQ

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17/6/2014 11:22 AM

MICROFACIES ANALYSIS OF SHIRANISH FORMATION AT HIJRAN SECTION- NE IRAQ



Saadi K. Jan
Aqeel A. Al- Zubaidi
*Natural History Research Centre and Museum, University of Baghdad.
Salam I. Al- Dulaimi /Department of Geology, College of Science, University of Baghdad.


ABSTRACT

Shiranish Formation (Late Campanian- Maastrichtian) that cropping out north east Iraq, is sudied by microfacies analysis of 52 thin section collected from Hijran Section, about 10 km west Shaqlawa Town, Governorate of Erbil. According to petrography, mineralogy and organic contents, rocks are subdivided to crystalline carbonate and microfacies units (biowackstone, packstone, and mudstone facies). Biowackstone facies have high ratio of the  rock components, while the other facies have low ratio. Microfacies analysis led to relatively quiet deep marine environment.




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