[1] Mansoura Univ, Fac Sci, Geol Dept, Mansoura, Egypt
[2] Matrouh Univ, Fac Educ, Dept Social Sci, Mersa Matruh, Egypt
[3] Nucl Mat Author, Explorat Div, POB 530, Maddi, Cairo, Egypt
[4] Egyptian Mineral Resources Author, POB 11517, Abbassiya, Cairo, Egypt
[5] New Mansoura Univ, Fac Basic Sci, New Mansoura 35712, Egypt
[6] Orascom Rd Construct Co, Giza, Egypt