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Ben'i•off zone"



Pronunciation: (ben'ē-ôf", -of"), [key] Geol., Oceanog.
a planar seismic zone in oceanic crust along which subduction of lithospheric plates gives rise to frequent earthquakes: marked by oceanic trenches sloping downward at about 45° toward adjacent island arcs or continents.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

Beninesebenison

 

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