crevasse channel

Shanxian formation is old crevasse splay and old channel sedimentary of the Yellow river, and its propery is mainly fine silt and silt;

单县组为黄河古决口扇、古河道沉积，岩性主要为细砂、粉砂；

distributary channel inter distributary bay deposit, crevasse channel are developed in the strata of fuyu oil-bearing layer.

扶余油层在研究区属三角洲平原亚相沉积，主要发育了以下微相类型：分流河道、分流间湾和决口河道。

It divided into point bar, the last channel, abandoned channel, crevasse splay, spill shore sand, flood plain six kinds of sedimentary microfacies.

划分为点坝、末期河道、废弃河道、决口扇、溢岸砂、泛滥平原6种沉积微相。

E. meandering point bars, crevasse splays, natural levees and flood plains. CHANNEL GEOMETRY OF ALLUVIAL STREAMS

曲流河相自下而上为河床滞留沉积-点坝-天然堤-决口扇-泛滥平原的正韵律组合。冲积河流的河相关系

In the third stage ( Shanxi Age), swamp, distributary channel, natural levee and crevasse splay occurred alternatively.

第三阶段（山西组）河道、沼泽、天然堤、决口扇环境交替出现；