hanging wall definition by American Heritage Dictionary
noun GeologyThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
- The mass of rock overlying a mineral deposit in a mine.
- The overlying block of a fault having an inclined fault plane.