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rift zone

noun, Geology
a system of related, narrow structural depressions between parallel faults.
Origin of rift zone
1965-70 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for rift zone
  • Its crest is a volcanic rift zone, where crustal plates spread apart and molten rock erupts to form new seafloor.
  • Additional updates on the new east rift zone activity will be posted each afternoon as merited.
  • Activity eventually stabilized at this segment of the rift zone.
  • Rifting began as magma welled up through the weakness in the crust, creating a volcanic rift zone.

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