Category: Other
Created by: mbourgaize
Number of Blossarys: 6
English (EN) 
Underground mining technique employed when there are gem bearing rocks, as an outcrop, close to the surface. A tunnel is dug from the surface, by blasting or using pick axes, to remove the ...
Surface mining technique whereby the ore bearing rocks are exposed by creating horizontal terraces in circular step formations by means of blasting and digging. The debris is then washed to obtain ...
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. ...
Mining technique used to extract water soluble mineral components, from underground deposits by pumping water down wells and removing the solution created. It is a form of chemical mining. Source: ...
Surface mining method which utilizes a sloping wooden trough or a ditch cut in hard gravel or rock as a channel, along which gold-bearing sediment is carried by a stream of water. Bars placed ...
Also called shaft mining or shaft sinking. Process of digging a deep, vertical or sloping tunnel to find ore, or for ventilation of underground excavations. It is the type of mining seen in movies, ...
Underground mining technique whereby the ore is removed from selected areas called rooms. Pillars of ore are left at regular intervals between rooms to support the roof of the mine. It is a process ...
By: mbourgaize