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normal fault

noun, Geology.
Origin of normal fault
First recorded in 1875-80 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for normal fault
Historical Examples
  • A normal fault with a hade of 15°, the original fault scarp remaining.

    The Elements of Geology William Harmon Norton
normal fault in Science
normal fault  
A geologic fault in which the hanging wall has moved downward relative to the footwall. Normal faults occur where two blocks of rock are pulled apart, as by tension. Compare reverse fault. See Note and illustration at fault.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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