sorting, roundness and matrix as environmental indicator of serikagni formation, sinjar section, west mosul, north iraq

Serikagni Formation has been studied at type locality section that cropping out on Sinjar anticline, west Mosul. 150 samples was thinned section and studied petrographically, mineralogy, texture and organic components under polarized microscope. Sorting, roundness and matrix of Serikagni Formation refers to high, transitional and low zone of water energy at deposional environment.