coal countur surface strip mining



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Coal Mining and Production

Coal Mining and Production 283 monitoring of environmental measur Before mining begins, a mining plan and a mine closure and restoration plan must be prepared and ap-proved These plans define the sequence and nature of ....

Contour Strip Mining

Contour strip mining is a method of surface mining or in which bulldozers, power shovels, or stripping wheels are used to remove large chunks of earth in terraced strips in order to extract coal from a seam or series of seams on a hill ....

Surface mining

Surface mining, including strip mining, open-pit mining and mountaintop removal mining, is a broad category of mining in which soil and rock overlying the mineral deposit (the overburden) are removed, in contrast to underground mining ....

Contour Mining & Construction

2014/11/24· Strip Mining for Coal - Duration: 9:17 JimHowDigsDirt 20,411 views 9:17 Red Mountain Mining District, San Juan Mountains , ,...

Plundering Appalachia

Mountaintop removal is strip-mining on steroids Massive dump trucks, huge bulldozers, and ten-story-high draglines can undo in months what geological processes took millions of years to build Typically, multiple coal seams are ....

Coal mining

When coal seams are near the surface, it may be economical to extract the coal using open cut (also referred to as open cast, open pit, mountaintop removal or strip) mining methods Open cast coal mining recovers a greater ....

Strip Mining for Coal

2015/09/11· Almost 20 years since the strip mine began and it is still going strong here in Stellarton, Nova Scotia In another five or six years time the mining should be complete and will mark the end of over 200 years of coal mining ....

area strip mining

contour strip mining form of surface mining used on hilly or mountainous terrain a power shovel cuts a series of terraces into the side of a hill an earthmover removes the overburden and a power shovel extracts the coal the core ....

coal mining | Contour strip mining

coal mining - Contour strip mining - Contour mining is commonly practiced where a coal seam outcrops in rolling or hilly terrain Basically, the method consists of removing the overburden above the coal seam and then, starting at the ....

coal countur surface strip mining

Surface mining - Wikipedia, the free encyclopedia Surface mining, including strip mining, , Highwall mining can produce thousands of tons of coal in contour-strip Coal mining - Wikipedia, the free encyclopedia History Methods of ....

Surface Mining in Kentucky

Surface Mining in Kentucky BY CAROLYN S BRATT* INTRODUCTION In 1977, Congress enacted the Surface Mining Control and Reclamation Act (SMCRA or the Act) I The Act, designed to pro-tect the environment and society ....

Chapter 2: The Environmental Effects of Strip Mining

This section describes the five main types of surface coal mining techniques: area mining, open pit mining, contour mining, auger mining, and mountaintop removal Underground mining is also considered in this section Terrain ....

Strip Mining, Open

Strip mining is a kind of surface mining The ore is very near to the surface of the land but has one or more layers of rock and filth on top ,...