The scientists of the Saudi-Austrian team who have carried out these investigations wish to express their gratitude to the sponsors of this project. Special thanks go to H. E. Dr. Bakr Abdullah Bakr, Rector of the University of Petroleum and Minerals in Dhahran, and to Professor Dr. Herbert Hunger, President of the Austrian Academy of Sciences. The team also wishes to thank Professor Dr. E. Schmid, Vice-President of the Austrian Academy of Sciences, and the members of the Academy, Professor Dr. E. W. Petrascheck, formerly Chairman of the Academy’s Commission for the International Geological Correlation Programme, Professor Dr. H. Zapfe, present Chairman of the Academy’s Commission for the International Geological Correlation Programme, and Professor Dr. J. Fink, Chairman of the Academy’s Commission on Quaternary Problems. Lastly, acknowledgements are due to the Austrian Fund for the Promotion of Scientific Research, which generously supported this project through grants required to cover the costs of air transport and various analyses carried out in Austria. The special enthusiasm and support of DDr. Elmar Walter, Ministry of Science and Research in Vienna, was decisive for the project’s start.