longwall


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longwall

(ˈlɒŋˌwɔːl)
n
(Mining & Quarrying) a method of extracting coal from a mine whereby a long wall of coal is mined at one time
References in periodicals archive ?
Xstrata Plc (LSE: XAT), a Switzerland-based mining company, has announced suspension of longwall operations at Oaky No1 underground coking coal mine, part of the Oaky Creek Coal (OCC) complex in Central Queensland.
At the Gregory, located near the town of Emerald, shipments comprised both coking and thermal coal and were derived from the Gregory opencast mine itself, and from the underground Crinum mine, where longwall operations began in 1998.
The second longwall mining system, previously planned for installation in the fourth quarter of 2007, had been expected to largely offset any sandstone-related production shortfalls.
longwall mines, Alliance Resource Partners' Tunnel Ridge mine, operates in northern West Virginia.
The Indian government is considering changing its procurement rules to provide better flexibility for domestic miners to shop abroad for high-end mining equipment, including longwall technology.
DBT has been awarded an order for two longwall shield support systems and one AFC system from Shenhua International in China.
PITTSBURGH -- Citizens for Pennsylvania's Future (PennFuture) today praised the ruling by the Pennsylvania Environmental Hearing Board (EHB) to permanently protect the stream above proposed longwall operations at the High Quality Mine in Fallowfield Township, Washington County.
SUEK), recently set a world record for monthly coal production from a single longwall system.
The San Juan mine is one of America's leading longwall operations.
Shaft sinking was due to start in July this year and the mine will use hand-held equipment working on longwall faces.
Both mines will utilize longwall miners to extract high-sulfur bituminous coal for the growing power plant SO2 scrubber market.