abandoned workings

abandoned workings

[ə′ban·dənd ′wər·kiŋz]
(mining engineering)
Deserted excavations, either caved or sealed, in which further mining is not intended, and opening workings which are not ventilated and inspected regularly. Also known as abandoned mine.
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References in periodicals archive ?
An estimated 50,000 cubic metres of acidic water is trapped underground in the abandoned workings and shafts.
The former Whittle Colliery, near Shilbottle, Northumberland, was at the centre of environmental concerns three years ago, when experts predicted that millions of gallons of polluted minewater could spill from the abandoned workings.
The mine was pumping around 3,500 gallons of water a minute, mainly from abandoned workings, but on January 12 a new and heavy flow of water started and flooded its new working face.
The Coal Authority is planning the schemes at Lambley Farm, Haltwhistle, and West Allerdean, near Berwick, to prevent rising minewater in abandoned workings polluting rivers and watercourses.
The recent events at Quecreek Mine clearly point out the need for mining crews to know at all times the location of active mining in reference to abandoned workings.
About half-way up there are some abandoned workings which are poorly fenced.
They pumped away millions of gallons of acidic water trapped behind a crumbling concrete dam and old abandoned workings and shafts in the bowels of the mountain.
If the legislation is approved in its current form, mining companies will bear much more responsibility for ensuring that existing and abandoned workings are safe to humans and the environment.
Rising minewater in the abandoned workings will pollute drinking water in the underground acquifer if it is not pumped to prevent it rising further.
Unlike many Black Country locations, there are not believed to be any historic mining features or abandoned workings on, or near Walsall Lex, but there will need to be some small-scale remediation.
DRAMATIC coastal views are a feature of the Cleveland Way, where it threads a route through long - abandoned workings of the alum industry on some of this country's highest clis between Loftus and Staithes.
Tenders are invited for Construction Of 34 Nos Of 1 Sq Mtr Thick Brick Pillar To Support Workings Near Barrier Zone Between The Workings Of No 7 Pit Of Lower Kenda Colliery & Old Abandoned Workings Of Pure Kenda Colliery Under Kenda Area.