It is proposed that the metamorphic rock and granite with higher content of uranium distributed in northern uplift area of Ordos basin were denudated and transported to deposit in Dongsheng district. 结合区域地质分析认为,侏罗&白垩纪鄂尔多斯盆地北部隆起区大面积分布的富铀变质岩和花岗岩遭受风化剥蚀,被大气降水搬运到当时地貌较低的东胜地区沉积。