ore pillar

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• pillar — [pil′ər] n. [ME piler < OFr < VL * pilare < L pila, column] 1. a long, slender, vertical structure used to support a superstructure; column 2. such a column standing alone as a monument 3. anything like a pillar in form or function, as a …   English World dictionary

• pillar — pillared, adj. pillarlike, adj. /pil euhr/, n. 1. an upright shaft or structure, of stone, brick, or other material, relatively slender in proportion to its height, and of any shape in section, used as a building support, or standing alone, as… …   Universalium

• pillar — pil•lar [[t]ˈpɪl ər[/t]] n. 1) archit. an upright shaft or structure, of stone, brick, or other material, relatively slender in proportion to its height, and of any shape in section, used as a building support, or standing alone, as for a… …   From formal English to slang

• pillar — I. noun Etymology: Middle English piler, from Anglo French, from Medieval Latin pilare, from Latin pila Date: 13th century 1. a. a firm upright support for a superstructure ; post b. a usually ornamental column or shaft; especially one standing… …   New Collegiate Dictionary

• pillar robbing — noun : the mining and removal of pillars after the main coal or ore body has been removed called also pillar drawing …   Useful english dictionary

• Iron ore — Iron ores are rocks and minerals from which metallic iron can be economically extracted. The ores are usually rich in iron oxides and vary in colour from dark grey, bright yellow, deep purple, to rusty red. The iron itself is usually found in the …   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

• 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

• Mining — This article is about the extraction of geological materials from the Earth. For the municipality in Austria, see Mining, Austria. For the siege tactic, see Mining (military). For name of the Chinese emperor, see Daoguang Emperor. Simplified… …   Wikipedia

• India — /in dee euh/, n. 1. Hindi, Bharat. a republic in S Asia: a union comprising 25 states and 7 union territories; formerly a British colony; gained independence Aug. 15, 1947; became a republic within the Commonwealth of Nations Jan. 26, 1950.… …   Universalium

• Iron — Fe redirects here. For other uses, see Fe (disambiguation). This article is about the chemical element. For other uses, see Iron (disambiguation). manganese …   Wikipedia