Coal Mining Essay -- Economy Economics Energy Resources Essays

Coal Mining Coal, a mineral I have discussed previously, is necessary to our everyday lives. Coal is an incredible source of qualification it heats our houses and buildings, and also fuels stoves. You may often wonder where this extremely useful mineral comes from. Coal does not just appear it needs to be tap through a demonstrate which results in our being able to apply it. Coal mining is fairly inexpensive, is carried out on a deep scale and can be mined in either ohmic resistance or surface mines.Surface mining is the coal mining process that accounts for around 60% of the United States coal. It tends to be very efficient, with a whiz worker recovering up to 30 to 40 tons of coal in a day. To begin surface mining coal, a practice session must first probe the area to be mined in order to determine the depth of the coal as well as the overburden which lies on top of the coal. Bulldozers are then used to flight strip away the topsoil, which is then put into piles and later replace the stripped-down areas of earth. Next, large, even enormous equipment called draglines are used to remove much and more of the overburden, as the stripping becomes deeper and deeper. After this process, machines called track-dozers fracture the coal, making it possible for cranes or bulldozers to scoop out the coal and transport it to crushers. Now, the topsoil that was set forth at the beginning is replaced. This process is called reclamation. The mined areas can then be used for a variety of things from parks to f...