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fault block

American  

noun

Geology.
  1. a mass of rock bounded on at least two opposite sides by faults.


Etymology

Origin of fault block

First recorded in 1895–1900

Example Sentences

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Sutton Mountain is a long, 29,000-acre fault block that rises just above the Painted Hills, a popular tourist destination in the John Day Fossil Beds National Monument.

From Washington Times Jan. 9, 2016

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