Category: Other
Created by: mbourgaize
Number of Blossarys: 6
English (EN) 
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. ...
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 ...
Underground method of mining flat-bed deposits using mechanical shears to cut minerals away, while hydraulic powered supports hold up the roof of the mine. A full-extraction method for mining large ...
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: ...
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 ...
Specialized open-pit mining technique whereby solid rock with a high degree of consolidation and density is extracted from localized deposits. Quarried materials are either crushed and broken to ...
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