- Drift mine
- A mine that opens horizontally into the coal bed or coal outcrop.U.S. Dept. of Energy, Energy Information Administration's Energy Glossary
Energy terms . 2014.
Drift mine
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drift mine — noun Etymology: drift (I) + mine : a placer or gravel deposit worked by underground mining methods * * * 1. a mine the opening of which is dug into an outcrop of coal or ore. 2. an underground placer mine. [1885 90, Amer.] … Useful english dictionary
drift mine — 1. a mine the opening of which is dug into an outcrop of coal or ore. 2. an underground placer mine. [1885 90, Amer.] * * * … Universalium
Drift mining — is either the mining of a placer deposit by underground methods, or the working of coal seams accessed by adits driven into the surface outcrop of the coal bed. Drift is a more general mining term, meaning a near horizontal passageway in a mine,… … Wikipedia
drift´ing|ly — drift «drihft», verb, noun. –v.t. 1. to carry along by currents of water or air: »The current was drifting our boat onto the rocks. 2. to heap up; pile up: »The wind is so strong it s drifting the snow. 3. to enlarge or shape (a hole) with a… … Useful english dictionary
drift — I. noun Etymology: Middle English; akin to Old English drīfan to drive more at drive Date: 14th century 1. a. the act of driving something along b. the flow or the velocity of the current of a river or ocean stream 2. something driven, propelled … New Collegiate Dictionary
Mine flail — A preserved, World War 2, Sherman Crab – an M4 Sherman tank fitted with a flail A mine flail is a vehicle mounted device that makes a safe path through a mine field by deliberately detonating land mines in front of the vehicle that carries it.… … Wikipedia
Mine exploration — This article is about visiting mines. For searching for minerals, see Mineral exploration. Mine exploration is a hobby in which people visit abandoned mines, quarries, and sometimes operational mines. Enthusiasts usually engage in such activities … Wikipedia
mine — {{Roman}}I.{{/Roman}} noun 1 for coal, etc. ADJECTIVE ▪ coal, copper, diamond, salt, tin, etc. ▪ deep, drift, opencast ( … Collocations dictionary
drift — Adit Ad it, n. [L. aditus, fr. adire, ?aitum, to go to; ad + ire to go.] 1. An entrance or passage. Specifically: The nearly horizontal opening by which a mine is entered, or by which water and ores are carried away; called also {drift} and… … The Collaborative International Dictionary of English
drift — North Country (Newcastle) Words an inlet for the emission of water in a mine … English dialects glossary
