Abdallah, S. E., Ali, S., Obeid, M. A. (2019):Geochemistry of an Alaskan-type mafic-ultramafic complex in Eastern Desert, Egypt: New insights and constraints on the Neoproterozoic island arc magmatism. Geoscience Frontiers, 10:941-955.

Gahlan, H. A., Obeid, M. A., Azer, M. K. and Asimow, P. D. (2018)An example of post-collisional appinitic magmatism with an arc-like signature: the Wadi Nasb mafic intrusion, north Arabian-Nubian Shield, south Sinai, Egypt. International Geology Review, 60 (7): 865-888.

Khalil, A. E. S., Obeid, M. A., Azer, M. K. and Asimow, P. D. (2018): Geochemistry and petrogenesis of post-collisional alkaline and peralkaline granites of the Arabian-Nubian Shield: a case study from the southern tip of Sinai Peninsula, Egypt.International Geology Review, 60(8): 998-1018.

Abdelfadil, K. M., Obeid, M. A., Azer, M. K. and Asimow, P. D. (2018): Late Neoproterozoic adakitic lavas in the Arabian-Nubian shield, Sinai Peninsula, Egypt.Journal of Asian Earth Sciences, 158: 301-323.

Azer, M. K., Obeid, M. A. and Gahlan H. A. (2016): Late Neoproterozoic layered mafic intrusion of arc-affinity in the Arabian-Nubian Shield: A case study from the Shahira layered mafic intrusion.Geologica Acta, V.14 (3): 237-259.

Obeid, M. A., Khalil, A. E. S. and Azer, M. K. (2016): Mineralogy, geochemistry, and geotectonic significance of the Neoproterozoic ophiolite of Wadi Arais area, south Eastern Desert, Egypt.International Geology Review, 58(6): 687–702.

Obeid, M. A. and Azer, M. K. (2015): Pan-African adakitic rocks of the north Arabian-Nubian Shield: petrological and geochemical constraints on the evolution of the Dokhan volcanics in the north Eastern Desert of Egypt.International Journal of Earth sciences, 104(3): 541-563.

Khalil, A. E. S., Obeid, M. A. and Azer, M. K. (2015): Late Neoproterozoic post-collisional mafic magmatism in the Arabian-Nubian Shield: A case study from Wadi El-Mahash gabbroic intrusion in southeast Sinai, Egypt.Journal of African Earth Sciences, 105: 29-46.

Azer, M. K., Obeid, M. A. and Ren, M. (2014): Geochemistry and petrogenesis of late Ediacaran (605-580 Ma) post-collisional alkaline rocks from the Katherina ring complex, south Sinai, Egypt. Journal of Asian Earth sciences, V. 93: 229-252.

Khalil, A. E., Obeid, M. A. and Azer, M. K. (2014): Serpentinized peridotites at the North part of the Wadi Allaqi District (Egypt): Implications for the tectono-magmatic evolution of fore-arc crust. Acta Geologica Sinica, V. 88(5): 1421-1436.

Obeid, M. A. and Lalonde, A. E. (2013): The geochemistry and petrogenesis of the late Cretaceous Abu Khuruq alkaline complex, Eastern Desert, Egypt. The Canadian Mineralogist, V. 51:639-658.

Khalaf, E. A. and Obeid, M. A. (2013): Tectonostratigraphy and depositional history of the Neoproterozoic volcano-sedimentry sequences in Kid area, southeastern Sinai, Egypt: Implications for intra-arc to foreland basin in northern Arabian-Nubian Shield. Journal of Asian Earth Sciences, V. 73: 473-503.

Mirnejad, H., Lalonde, A.E., Obeid, M. A. and Hassanzadeh, J. (2013): Geochemistry and petrogenesis of Mashhad granitoids: An insight into the geodynamic history of the Paleo-Tethys in northeast of Iran. Lithos, V. (170-171): 105-116.

Gharib M. E., Obeid M. A. and Ahmed H. A. (2012): Paleozoic alkaline volcanism: geochemistry and petrogenesis of Um Khors and Um Shaghir trachytes of the central Eastern Desert, Egypt.Arabian Journal of Geosciences, V.5(1);53-71, Springer.

Obeid, M. A. (2010):Petrogenesis of Bir Madi Gabbro-Diorite and Tonalite-Granodiorite Intrusions in Southeastern Desert, Egypt: Implications for Tectono-Magmatic Processes at the Neoproterozoic ShieldInternational Journal of Economic and Environment Geology. Vol:1(1) 27-35.

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.

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-    

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.

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.   

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    

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.    

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.   

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.

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.

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.

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.

Obeid, M.A., Ali, M and Mohamed, N. (2001):Geochemical exploration on the stream sediments of Gabal El Mueilha area, Central Eastern Desert, Egypt. “An overview on the Rare Metals”.Resource Geology, Japan, V.51; 217-227.

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, Egypt: Evidence for continental arc volcanism. The Egyptian Geological Journal, Cairo, V. 45 (2); 1017-1036.

El-Sayed, M.M., Hassanen, M.A and Obeid M.A. (1999):Geochemistry and petrogenesis of Late Precambrian tonalite-granodiorite-syenogranite series at Umm Shaddad district (Egypt).N.Jb. Abh., Stuttgart, Germany, V.175 (1); 29- 51.

El-Makky, A.M., El-Melegy, A.S., El-Nasr, S.A and Obeid, M.A. (1997):Interpretation of geochemical data from an Exploratory Borehole in Um Garayat area, South Eastern Desert, Egypt.Third Conference of Geochemistry, Alexandria University, Alexandria, 3 (1): 315- 331.

El-Nasr, S.A., Obeid, M.A., El-Makky, A.M and El-Shimi, K. (1995):Geochemistry and tectonic setting of Shikeyit granitoids, South Eastern Desert, Egypt.The Egyptian Geological Journal, Cairo, V. 40 (1); 351-368.