Rubble Drift | Article about Rubble Drift by The Free Dictionary
rubble drift[′rəb·əl ‚drift]
A rubbly deposit (or congeliturbate) formed by solifluction under periglacial conditions.
A coarse mass of angular debris and large blocks set in an earthy matrix of glacial origin.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
an underground mining process used to extract rocks from the roof (mainly) or floor of a mineral bed in a worked-out area of a drift. Rock is used to control the roofs by means of the spreading out of rubble belts. The rubble drift is used for temporary support and is not held up as the drift moves.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.