Almost all the sediments on the continentalshelf from the land-based sediment brought by rivers, while the ocean so much as.
大陆架上的沉积物几乎都是由陆地上的江河带来的泥沙，而海洋的成分很少。
2
Is also often found on the continentalshelf shell layer, and many shells were crushed after the stacked together to form the uneven thickness of the sediment layer.
在大陆架上还能经常发现贝壳层，许多贝壳被压碎后堆积在一起，形成厚度不均的沉积层。
3
The Yellow Sea continentalshelf receives large quantities of sediment from the Yellow River. Regional circulation patterns control the transport of this sediment.