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abyss

1. n. [Geology]

The deepest area of the ocean basins. The depositional energy is low and fine-grained sediments are deposited slowly by waning turbidity currents or from suspension in the water. The water is thousands of meters deep (>2,000 m) [>6,520 ft] so it is cold and sunlight is minimal.

See: abyssalbathyalbenthicdepositional energylittoralneriticturbiditeturbidity current

Profile of continental margin to abyss
Profile of continental margin to abyss.

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