南部海区、礼乐滩北缘沉积物受礼乐滩珊瑚碎屑影响大,沉积物类型为钙质软泥。
In the southern part and the north edge of Liyue Bank ( Liyue Reef Shoal ), sediments are calcareous ooze due to be affected by large quantities of detrital corals .