Pteropod Ooze

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pteropod ooze [′ter·ə‚päd ′üz]

(geology)

A pelagic sediment containing at least 45% calcium carbonate in the form of tests of marine animals, particularly pteropods.

Pteropod Ooze

a type of present-day pelagic calcareous-clay silt enriched with the calcareous shells of pteropods, which live as plankton in the sea. Some 60–80 percent of the ooze is CaCO₃, and the remainder is clay material. It is found at depths ranging from 700 m to 3,500 m in the warm, usually tropical, parts of oceans, chiefly the Atlantic. Pteropod ooze occupies only about 0.4 percent of the floor of the world ocean.

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