Wavy-erosion platform along the coast of the Zhoushan Archipelago, covered directly by muddy deposits is another record of postglacial evolution of the Changjiang estuary-delta system.

• 舟山群岛海蚀平台上直接覆盖泥质沉积是以退积为主的河口湾向进积的三角洲环境转变的又一证据。