fault block

noun

Geology.

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

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Word History and Origins

Origin of fault block¹

First recorded in 1895–1900

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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.

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.