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hanging wall

Mining. the underside of the wall rock overlying a vein or bed of ore.
Compare footwall (def 1).
Geology. a mass of rock overhanging a fault plane.
Origin of hanging wall
1770-80 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for hanging-wall

hanging wall

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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