Definition of block mountain in English:

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block mountain

noun

Geology
A mountain consisting of a block or blocks bounded by normal faults in the earth’s crust. See normal.
Example sentences
  • Southern Oregon is home to some of the finest examples of fault block mountains in North America.
  • Steens Mountain, a 30-mile long fault block mountain in southeast Oregon, sits about 60 miles south of Burns.
  • The Tetons are a still different kind - a fault block mountain range carved from a segment of the earth's crust that has been uplifted along a fault.

For editors and proofreaders

Syllabification: block moun·tain

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