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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
1770-1780
1770-80
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for hanging wall
  • But, upon reopening the extruded surface would simply being a hanging wall, with nothing between it and the original block.
  • The changes only affect a limited area along the hanging wall of thrust or reverse faults.
  • Cordierite and anthophyllite in footwall of metamorphosed deposits, graphitic schist in hanging wall.
  • The colors show the slip amplitude and white arrows indicate the direction of motion of the hanging wall relative to the footwall.
  • The color shows the amplitude of dislocations and white arrows represent the motion of the hanging wall relative to the footwall.
  • hanging wall rock is reddish and oxidized, footwall rock is greenish gray and chloritic.
  • Along normal faults, the curves of geometric segments are generally concave toward the hanging wall.
  • Surface location of a fault in which the hanging wall has moved downward relative to the footwall.
British Dictionary definitions for hanging wall

hanging wall

noun
1.
the rocks on the upper side of an inclined fault plane or mineral vein Compare footwall
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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hanging wall in Science
hanging wall  
The block of rock lying above an inclined geologic fault plane. See more at fault. Compare footwall.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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