以黄骅坳陷板桥凹陷古近系为例,通过对深水成因沉积及地震属性构型特征的研究,指出古地貌是影响深水沉积砂体的主要因素,深水河道的主河谷(或河道)基本上限定了深水复合河道的沉积,在主河道的两侧发育主堤岸、主漫滩,随着弯曲河道在主河谷内的摆动、迁移还伴生有次生堤岸、次生漫滩;水下重力流沉积一个最大的特点是受水下水道河谷地貌的影响,垂向加积是沉积的主体,侧向加积次之,在垂向加积的过程中,重力流不断发生沉积、侵蚀,再沉积、再侵蚀,而形成多重扭曲结构,这种沉积明显区别于曲流河道沉积。 Taking the Paleogene in the Banqiao sag of the Huanghua Depression as an example, through the study on the genesis and sedimentary characteristics of the deep water, it is pointed out that the palaeogeomorphology is the main factor affecting the deep-water sedimentary sand body. The main river valley (or river course) The upper limit of the deposition of deep-water composite channels, the development of the main embankment, the main floodplain on both sides of the main channel, along with the swinging of the curved channel in the main valley, the migration also accompanied by secondary embankments, secondary floodplain; underwater gravity One of the most important characteristics of flow sedimentation is influenced by the river valley topography of the sewer system. Vertical accretion is the main body of sedimentation, followed by lateral accretion. In the process of vertical accretion, sedimentation, erosion and redeposition of gravity flow occur continuously , And then eroded to form multiple twisted structures. This kind of sedimentation is obviously different from the meandering river sediments.