pelagic deposit的意思|示意

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英语单词pelagic deposit的用法讲解

Pelagic deposit，也被称为深海沉积物，指的是积累在深海盆地的沉淀物。这种沉积物通常由有机物和矿物质混入的海洋底泥深度所形成。

pelagic deposit主要由多种小型生物、废弃物和矿物组成，例如骨骼、贝壳、钙质盐等。这种沉积物在地质学上具有很高的价值，可以作为古环境和气候变化的重要指标以及研究生物进化和海洋生态系统的重要来源。

写作示例：

Pelagic deposit is a type of sediment that accumulates in deep ocean basins. It is composed of a mixture of organic materials and minerals that settle to the ocean floor at depths beyond the reach of sunlight. Pelagic deposits are formed over long periods of time and provide important geological information about past environments and climate changes. They also serve as an important source of information for understanding the evolution of marine ecosystems and the diversity of life that exists within them.