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Abdalla, H. M., Matsueda, H., Obeid, M. A and Takahashi, R. (2008):Chemistry of cassiterite in rare metal granitoids and the associted rocks in the Eastern Desert, Egypt. Journal of Mineralogical and Petrological Sciences, Japan, V. 103: 318-326.
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Gehad, M. S., Galy, M. M and Obeid, M. A. (2008):Geochemical Characteristics and Spectrometric Prospecting in the Muscovite-bearing Pegmatites and Granites, Southeastern Aswan, Egypt. Chinese Journal of Geochemistry, V. 27 (1), 9-20. 3- 
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Obeid, M. A. and Azer, M. K. (2008):The reversely zoned I-type granitoids of Iqna granite pluton: A transition evolution case from calc-alkaline to alkaline magmatism in south Sinai, Egypt. Egyptian. Geol. Journal, Cairo, V. (52); 1-24.
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Obeid, M. A. (2006):The Pan-African arc-related volcanism of the Wadi Hodein area, South Eastern Desert, Egypt: Petrological and geochemical constraints. Journal of African Earth Science, V. 44 (3): 383-395. 
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Obeid, M. A. (2005):Petrogenesis of the Bir Madi gabbro-diorite and tonalite-granodiorite intrusions, South Eastern Desert, Egypt: Implications for tectono-magmatic processes at the Neoproterozoic Shield. A Journal of Resource, Industrial and Environmental Geology, 2, 61-71. 
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Shahien, M. G and Obeid, M.A. (2005):Late Proterozoic subduction-related volcano-sedimentary sucession of Wadi Madsus, Southeastern Sinai, Egypt. The Fourth International Conference on the Geology of Africa, Assuit, Egypt. V. (1); 417-439 
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El-Sayed, M. M., Obeid, M.A., Furnes, H. and Moghazi, A. M. (2004): Late Neoproterozoic volcanism in the southern Eastern Desert, Egypt: petrological, structural and geochemical constrains on the tectonic-magmatic evolution of the Allaqi Dokhan volcanic suite. N.Jb. Abh., Stuttgart, Germany, V.180 (3); 261- 586. 
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Gharib, M. E. and Obeid, M. A. (2004): Geochemistry and evolution of the Neoproterozoic granitoid magmatisms in the Wadi El Sheikh-Gabal Saint Katherine area, Southwestern Sinai, Egypt. The Seven Intern.Conf. Geology of the Arab World, Cairo University, Egypt, V. (1); 53-73. 
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Obeid, M.A. (2003):The Pan-African I-Type granitoid magmatisms of Gabal Felat area, South Eastern Desert, Egypt: Geochemical and petrogenetic implications. Fifth International Conference on the Geology of the Middle East, P.233-252, Ain Shams University, Cairo, Egypt.
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Shahien, M. G and Obeid, M.A. (2003):Geochemistry and petrogenesis of the Early-orogenic Older granites at the Um Adawi area, Southeastern Sinai, Egypt. Egyptian. Geol. Journal, Cairo, V. (47/2); 705-730.
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Obeid, M. A., Hussein, A. M and Abdallah, M.A. (2001):Shear zone-hosted gold mineralization in the Late Proterozoic rocks of El Beida area, South Eastern Desert, Egypt.The Transactions of Mining and Metallurgy, Section B, United Kingdom, V. 110; B192-204.
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El-Sayed, M.M., Furnes, H., Obeid M.A and Hassanen, M.A. (2001):The Mueilha Intrusion, Eastern Desert, Egypt: A Post-Orogenic, Peraluminous, Rare-Metal Bearing Granite. Chemie der Erde, Germany, V.61; 294-316.
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Obeid, M.A., El-Sayed, M.M and El-Shazly, S.M. (2001):Late Precambrian dykes in El Imra and El Bula areas, Central Eastern Desert,
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