stoping method

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• stoping — /stoh ping/, n. Geol. a process by which magmas move upward in the earth by breaking off and engulfing blocks of overlying rocks. [1770 80; STOPE + ING1] * * * ▪ mining       in mining engineering, the opening of large underground rooms, or… …   Universalium

• Stoping — is a process accommodating the ascent of magmatic bodies from their sources in the mantle (geology) or lower crust to the surface. The process involves the mechanical disintegration of the surrounding country/host rock, typically through… …   Wikipedia

• Stull stoping — is an underground hardrock mining method that uses systematic or random timbering ( stulls ) placed between the foot and hanging wall of the vein. This method require that the hanging wall and often the footwall be of competent rock as the stulls …   Wikipedia

• Uranium mining — The Ranger Uranium Mine in Australia …   Wikipedia

• mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… …   Universalium

• Methods of pluton emplacement — are not yet fully understood, but there are many different proposed pluton emplacement mechanisms. Stoping, diapirism and ballooning are the widely accepted mechanisms. There is now evidence of incremental emplacement of plutons. This means that… …   Wikipedia

• Mining in the Upper Harz — The headframe of the Emperor William Shaft in Clausthal is one of the oldest surviving winding towers in Germany …   Wikipedia

• zinc processing — Introduction       preparation of the ore for use in various products.       Zinc (Zn) is a metallic element of hexagonal close packed (hcp) crystal structure and a density of 7.13 grams per cubic centimetre. It has only moderate hardness and can …   Universalium

• Underground mining (hard rock) — A three dimensional model of an underground mine with shaft access Underground hard rock mining refers to various underground mining techniques used to excavate hard minerals, mainly those containing metals[1] such as ore containing gold …   Wikipedia

• Dartmoor tin-mining — The wheelpit at Huntingdon mine The Dartmoor tin mining industry is thought to have originated in pre Roman times,[1] and continued right through to the 20th century. From the 12th century onwards tin mining was regulated by a Stannary Parliament …   Wikipedia

• Mopani Copper Mine — Mopani Copper Mines Plc Type Public Company Industry Mining, Materials Founded N/A Headquarters Kitwe, Zambia Key people Emmanuel B Mutati, CEO …   Wikipedia