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rift zone

American  

noun

Geology.
  1. a system of related, narrow structural depressions between parallel faults.


Etymology

Origin of rift zone

First recorded in 1965–70

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Beyond the rift zone directly beneath the lake, there are two active volcanoes within 15 miles.

From National Geographic • Jan. 18, 2024

The well, near Geneva, Nebraska, sits close to deep faults that might connect it to the rocks of the failed rift zone.

From Science Magazine • Feb. 15, 2023

Magma continues to erupt from the northeast rift zone, spurting upward in red fountains, and scientists are unsure what might come next.

From New York Times • Dec. 3, 2022

Ken Hon, scientist-in-charge at the Hawaiian Volcano Observatory, said he doesn’t expect additional vents to form on the volcano’s southwest rift zone during this eruption.

From Seattle Times • Nov. 28, 2022

A rift zone is where the mountain is splitting apart, the rock is cracked and relatively weak and it’s easier for magma to emerge.

From Washington Times • Nov. 28, 2022