Affiliation: | Aref M.O.AL-JABALI1,2,NIE Lei1,Abdo S.AL-MAQTARY2,Hussein AL-AKHALI2,Mohammed HAZAEA1,2 , Fadel AL-AGHBARI2 1.College of Constriction Engineering,Jilin University,Changchun 130026,China 2.Geological Survey , Mineral Resources Board,Sana'a,Yemen |