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Asim A Elmansour
Department of Geology, Faculty of Science, University of Kordofan, El Obeid, Sudan.
https://orcid.org/0000-0001-7264-2107
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Elnazir G Elseed
Secretary for Academic Affairs, College of El Imam El Hadi, Umdurman, Sudan.
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Mohamed A Elhadi
Department of Geology, Faculty of Science, University of Gazira, Medani, Sudan.
