The study area is part of Mughsayl area, which lies in the Dhofar region.  Pre-permian sandstone sequence Cretaceous sequence, Tertiary sequence and Nar conglomorate, formation is the rocks exposed in the study area.

The Tertiary sequence dominates the study area.  The five major formations of the Tertiary sequence In an ascending order are Umm er Radhuma, Ashawq, Mughsayl, Adawnib, and Nar formation.  The Pre-Permian Sequence in our study area represented only by El Hota-Ain Sarit formation and the Cretaceous sequence is represented by Qishn formation.

The study area associated with a large-scale extensional fault from the east to the west. Milliods, Alvelina and Nummulites are relatively abundant In the Tertiary sequence.

I wish to express my gratitude to the following persons who assisted in completing both field and follow up work of this thesis.   Special thanks goes to Dr S. S. Hanna for his supervision and encouragement during this BSc. project and Dr A. W. Shelton for helping in the joint analysis and more thanks for Dr D. A. Batchelor for helping In the petrography of Tertiary rocks, also my thanks goes to Dr. C. Burret for his help in the description of the thin section and for reviewing the thesis.

I also appreciate the help provided by the Sultan Qaboos University.   The Center of Educational Technology ( C.E.T ) thanked alot for processing the photographs.  The author thanks all colleagues in the final year class in Earth sciences especially his partner in the field for discussions during seminars and the during various stages of the project work.

I appreciate the support I have received from my family. They have been.   The source of inspiration and patient during may year’s stays in the University.

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