Category: Other
Created by: mbourgaize
Number of Blossarys: 6
English (EN) 
Process of surface mining which involves digging and sifting through mud, sand and gravel using shovels and sieves. Alluvial deposits refer to sediment which is transported and deposited by water. It ...
Explosion. Ignition of a charge of dynamite or other explosive to break up, loosen or dislodge rocks in blasting operations.
Underground mass mining technique which allows the bulk mining of large, lower grade ore, where the mineral ores are extracted by collapsing mineral deposits under their own weight, depending largely ...
Underground mining method whereby a main vertical shaft is dug into the rock, and tunnels are subsequently driven from the main shaft. The ore, obtained by blasting, is then transported to the ...
Process by which metallic deposits composed of veins are explored by making deep holes on hard rock through superficial deposits, and then moving from one hole to another, across the direction of the ...
Cribbing or box crib is an underground mining technique whereby a temporary box made of blocks of wood or plastic, 4x4 or 6x6 inches long is used to support the roof of a mine. A box is built ...
Underground mining technique consisting of excavating the ore in horizontal slices, starting from a bottom undercut, advancing upward. The ore is drilled or blasted, the mud is removed, and the empty ...
By: mbourgaize