It has special physical and mechanical properties due to its composition, structure and sedimentary environment.
2
在南海东岛牛塘海鸟粪土沉积层中发现一岩性明显不同于上、下层位的珊瑚砂夹层。
The sediment cores from "Cattle Pond" on Dongdao Island of South China Sea contain a coral sand sediment layer embedded by ornithogenic sediments with sharp stratigraphic contacts.
3
花园鳗小鳗鱼是钻入珊瑚礁的砂。
Garden eels are small eels that burrow into sands of coral reefs.