Bagger 288 (Excavator 288), built by the German company Krupp for the energy and mining firm Rheinbraun, is a bucket-wheel excavator or mobile strip mining machine. When its construction was completed in 1978, Bagger 288 superseded Big Muskie as
"Strip mining" is the practice of mining a seam of mineral, by first removing a long strip of overlying soil and rock (the overburden). It is most commonly used to mine coal and lignite (brown coal). Strip mining is only practical when the ore body to be excavated is relatively near the surface.
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. Opencast coal mining recovers a greater proportion of the coal deposit than underground methods, as more of the coal seams in the strata may be exploited
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14-11-2015· The Silver Spade was a giant power shovel used for strip mining in southeastern Ohio. Manufactured by Bucyrus-Erie, South Milwaukee, Wisconsin, the model 1950-B was one of two of this model built, the other being the GEM of Egypt. Its sole function was to remove the earth and rock overburden from the coal
11-9-2015· 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
Surface Mining. Strip mining and mountaintop removal are two popular surface mining strategies when coal seams are located close to the surface of the earth. Strip Mining. In strip mining, the first step is to strip off the vegetation and soil in the vicinity of the surface to be mined for coal.
Problems with ecosystem recovery after strip mining. Some other data is equally concerning when it comes to how much companies invest in regenerating the land that has been destroyed by mining. In China, coal mining degraded the quality of 3.2 million hectares of land, but total mine wasteland was restored at a rate of only 10%.
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The coal mining dragline known as Big Muskie, owned by the Central Ohio Coal Company (a division of American Electric Power), was the world's largest mobile earth-moving machine, weighing nearly 13,000 tonnes and standing nearly 22 stories tall.
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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 of it. To mine the ore, these layers have to be removed.
17-5-2007· Pioneer Coal Strip Mine in Stellarton, Nova Scotia. This 40 foot seam of coal is said to be the thickest in the world. The front end loader is a LeTourneau L950 and has a 18yd bucket.
The history of coal mining goes back thousands of years. It became important in the Industrial Revolution of the 19th and 20th centuries, when it was primarily used to power steam engines, heat buildings and generate electricity. Coal mining continues as an important economic activity today.
Mining Transportation & The Tools of Coal Preparation Devices related to the transportation of coal from the mine to processing facilities to rail loading and finally to
31-5-2017· This rolling, unfarmed farm land, just west of the Ohio River, is being chewed into billions of tons of rocky rubble by strip mining for coal. More than five billion tons of it, long considered low-grade fuel too marginal for mass mining, lies less than 100 feet from the sur face in eastern Ohio, and a boom is on to recover it.
1-4-2010· Obama Ends 150-Year War of Strip-Mining in 24 States: Mountaintop Removal Loses Its Groove. Yeah, I’ve been wanting to wake up to that headline for years, too. Instead, I read another Coal Tattoo headline about President Obama genuflecting in front of Big Coal. But don’t be fooled on April 1st
2-5-2014· Strip mining is sensible when the ore body is near the surface. The practice includes some of the largest machines on earth, removing long strips of overlying soil and rock and then removing coal deposits. Open-pit mining utilizes blasting and mineral removing, digger deeper into the earth causing a crater-like result.
Strip mining also causes noise pollution and dust as heavy machinery disrupts topsoil and mining activity creates coal dust. Strip mining contaminates water. When miners upturn earth, minerals and heavy metals within it can dissolve into mine wastewater and seep into the water table.
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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 exposed as a mountaintop-removal operation dismantles the
Coal & Coal Mining Videos. Coal Mining Bucket Wheel Machine. Pioneer Coal Strip Mine in Stellarton, Nova Scotia. This 40 foot seam of coal is said to be the thickest in the world. The front end loader is a LeTourneau L950 and has a 18yd bucket. A D-11 CAT is pushing fill.
Coal miners literally move mountains to feed our insatiable appetite for cheap energy. There’s something brutally simple about coal mining. Take away the monstrous new machinery and eco-friendly marketing jargon and it’s the same dirty, dangerous job it’s always been: find the black stuff and dig it up. The two major schools of coal
Once the coal seam is exposed, it is drilled, fractured and systematically mined in strips. The coal is then loaded on to large trucks or conveyors for transport to either the coal preparation plant or direct to where it will be used. Mine rehabilitation. Coal mining is only a temporary use of land,
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