Pelagic sediment refers to sediments that accumulate on the ocean floor in deep-sea environments, primarily composed of particles that settle from the water column above. These sediments can originate from a variety of sources, including: 1. **Biogenic material**: This includes the remains of marine organisms, such as phytoplankton (like diatoms and coccolithophores) and zooplankton (like foraminifera and pteropods).
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