الفهرس 
IntroductionOnly 14 pages are availabe for public view
Abstract
Acknowledgments
Sincere thanks to Prof Dr. Maher Abd EL Latif El Amway, Geology
Department, Faculty of Science, Benha University, for his supervision, continuous
encouragement and help in the stages of the work progress.
Also the author would to thank Prof Dr. Abd El Azim Mahmoud
Mehanna, Geology Department, Faculty of Science , Benha University, for his
fruitful discussion, guidance, advice, unfailing help in the stages of the work
progress, critical reading, revision and finishing the manuscript.
My deep gratitude to Prof Dr. Mohamed Thrwat Salah Heikel , Geology
Department, Faculty of Science , Tanta University, for his supervision, and also
critical reading and discussion of manuscript.
I wish to express my gratitude, and deep feeling of thanks and appreciation
to Dr. Zeinhom Sayed Ahmed El Alfy, Chairman of Hammash Misr Gold Mines for
his supervision, continuous encouragement and help in the stages of the work
progress.
My deep grateful and thanks should go to Dr. Abd El Azim Rashwan,
Geology Department, Faculty of Science , Benha University, for his fruitful
discussion and help through the stages of the work progress.
The author wishes to express his thanks to Dr Basem Zoheir Faculty of
Science, Benha University for his kind help and discussion.
My gratitude is also to Mr. Amr Abdel Nasser, Faculty of Science, Benha
University for his kind help through the all stages of the work.
The author would like to express his appreciation and sincere thanks to staff
members and colleagues of EMRA who provided many facilities during laboratory
work and finishing the thesis.