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首次提出称为三角滩的沉积学术语。三角滩是分流河口区典型的微地貌单元，平面上呈三角形，分布于分流河口靠主流下游一侧。根据微地貌、粒度、沉积构造、岩石相类型及组合特征，将松滋分流河口三角滩分为三角沙滩、河漫滩和串沟三个亚相，并进一步作了微相划分，探讨了三角滩的沉积模式。
For the first time, a sedimentology terminology called Triangle Beach was proposed. The triangular beach is a typical micro-topographical unit in the distributary estuary. It is triangular in plane and is located on the downstream side of the mainstream in the distributary estuary. According to the micromorphology, grain size, sedimentary structure, lithofacies types and assemblage characteristics, the triangular beach of Songzi distributary estuary is divided into three sub-facies such as triangular sand beach, river flood plain and tandem groove, and the microfacies are divided further. Deposition mode.