mill-hole stope

См. также в других словарях:

• drawhole — /draw hohl /, n. Mining. a funnel shaped vertical opening cut at the bottom of a stope, which permits the loading of ore into conveyances in the passageways below. Also called glory hole, mill hole. [DRAW + HOLE] * * * …   Universalium

• drawhole — /draw hohl /, n. Mining. a funnel shaped vertical opening cut at the bottom of a stope, which permits the loading of ore into conveyances in the passageways below. Also called glory hole, mill hole. [DRAW + HOLE] …   Useful english dictionary

• 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

• Uranium mining — The Ranger Uranium Mine in Australia …   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