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Overburden is associated with what type of coal mining?

A. subsurface mining
B. fracking
C. reclamation mining
D. surface mining
E. hydraulic mining

Answer :

Overburden is associated with option d) surface mining.

Surface mining involves removing the overlying soil and rock layers (overburden) to access coal deposits beneath the surface. This method is commonly used when coal seams are relatively close to the earth's surface. Overburden removal is a crucial step in surface mining operations, as it exposes the coal for extraction while also creating space for mining equipment and infrastructure.

The overburden removed during surface mining operations can vary in thickness and composition depending on the geological characteristics of the site. In some cases, overburden may consist of layers of soil, clay, rock, and other materials that must be excavated and disposed of to reach the coal seam. The volume of overburden removed can be substantial and may require extensive earthmoving machinery and techniques.

Surface mining, including the removal of overburden, can have significant environmental impacts, such as habitat destruction, soil erosion, and water pollution. Proper planning, mitigation measures, and regulatory oversight are essential to minimize these impacts and ensure responsible coal extraction practices. Overall, understanding the association between overburden and surface mining is crucial for assessing the environmental, social, and economic implications of coal mining activities. option d)

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