Category: Other
Created by: mbourgaize
Number of Blossarys: 6
English (EN) 
Technique used when the ore is close to the surface but has various layers of rock and soil on top of it. After the layers are removed, the mineral bed is blasted, breaking it up to expose the ore. ...
Underground mining technique which entails digging into igneous and metamorphic rocks to locate hard minerals, generally those containing metals or gems, using picks, shovels, drills and blasting. ...
Mining technique where raw materials deposited on the surface are extracted by removing the detritus with running water. The mineral may be found in deep channels, in navigable streams, or in ...
Use of high pressure water sprayed at an area of rock or gravel to break it up, dislodging ore deposits. In this type of mining, gold bearing gravel, usually in a bank, is excavated by the erosive ...
Technique of surface mining which consists of digging large, open holes in the ground. Also referred to as open-cut mining. It is commonly used with minerals, such as copper and molybdenun. Source: ...
Explosion. Ignition of a charge of dynamite or other explosive to break up, loosen or dislodge rocks in blasting operations.
By: mbourgaize