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Hanging wall

 - 2 dictionary results

hanging wall

–noun
1. Mining. the underside of the wall rock overlying a vein or bed of ore. Compare footwall (def. 1).
2. Geology. a mass of rock overhanging a fault plane.

Origin:
1770–80
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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hanging wall  
n.   Geology
  1. The mass of rock overlying a mineral deposit in a mine.

  2. The overlying block of a fault having an inclined fault plane.

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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