wall rock
the rock forming the walls of a vein.
Origin of wall rock
1Words Nearby wall rock
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use wall rock in a sentence
The undergrowth was very dense out to the edge of the perpendicular wall rock.
Trails and Tramps in Alaska and Newfoundland | William S. ThomasIn igneous rock the ore-bearing solutions may have altered the wall rock to a dense mixture of quartz, sericite, and chlorite.
The Economic Aspect of Geology | C. K. LeithTheir principal occurrence is in distinct fissure veins in igneous rocks, with more or less replacement of the wall rock.
The Economic Aspect of Geology | C. K. LeithThe ore fills fissures to some extent, but is mainly a replacement of the wall rock.
The Economic Aspect of Geology | C. K. LeithIn narrow lodes, some of the wall-rock must be cut away to get room for the workmen.
Hittel on Gold Mines and Mining | John S. Hittell
British Dictionary definitions for wall rock
rock that is immediately adjacent to a mineral vein, fault, or igneous intrusion
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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