pteropod ooze

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Deep-sea ooze in which at least 30% of the sediment consists of the shells of planktonic small gastropods (known as pteropods or ‘wing-footed’ snails). The shells are aragonitic and, as aragonite solubility increases rapidly with depth, pteropod ooze is restricted to water depths less than 2500m.

Subjects: Ecology and Conservation — Earth Sciences and Geography.

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