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fracture zone

[ frak-cher zohn ]

noun

, Geology, Oceanography.
  1. a long, narrow rift on the ocean floor, separating areas of differing depth: where such a zone crosses a mid-ocean ridge, it displaces the ridge by faulting. Compare transform fault ( def ).


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Word History and Origins

Origin of fracture zone1

First recorded in 1960–65

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