Rubble Drift

rubble drift

[′rəb·əl ‚drift] (geology) 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.

Rubble Drift

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.

单词	rubble drift
释义	Rubble Drift rubble drift [′rəb·əl ‚drift] (geology) 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. Rubble Drift 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.
随便看	viadr viadua viaduct viaducts viadur viae viaea via enhanced xine player viaep viaf via file system filter driver via first trench last via flaminia via gamers arena viage viager viagers viagra viagra divorce viagra divorcee viagra jelly viagra parent viah viaha via ide filter driver