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Open cast mining is a type of surface mining in which mineral resources are removed from the earth through large holes or pits dug into the Opencast mining

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Opencast mining also known as surface mining or strip mining has disadvantages that include disturbance of the environment and local ecosystems exposure of radioactive elements and contamination of freshwater sources The use of heavy machinery and blasting techniques also create environmental

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Blasting mining usually requires the physical movement of large quantities of rock to gain access to relatively small amounts of coal

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