受郯庐断裂右旋走滑运动的影响,辽河滩海东部燕南潜山东三末期开始隆升形成,而滩海东部沙河街组沉积前表现为整体斜坡,因此,沙河街组东部凸起有供源能力.钻井资料显示:砂体发育较充分;受东营期走滑作用影响,该时期形成的沉积砂体向葵花岛东北方向迁移;东三末期以后,物源方向应该以北东向为主.%Because of Tanlu fault zone′s strike-slip, the Yannan burial hill of Liaohe seabeach begins to form in the end of Ed3,while before the deposition,Shahejie Formation is characterized as overall slope. So the east uplift in Liaohe depression has source rock supply capacity. Through drilling,sand body is fairly developed. Caused by strike-slip in Ed, sand body formed in this time moved to the northeast of Kuihuadao. After Ed3, direction of sedimentary provenance should be main NE directions.
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