The wastefulness of the past Great Culm Bank at Shamokin Pennsylvania from the Article October 1896 Coal refuse (also described as coal waste, rock, slag, coal tailings, waste material, rock bank, culm, boney, or gob) is the material left over from coal mining, usually as tailings piles or spoil tips. For every tonne of hard coal generated by mining, 400 kilograms of waste material remains, which includes some lost coal. Piles of coal refuse can have significant negative environmental consequences, including the leaching of iron, manganese, and aluminum residues into waterways and acid mine d
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2RK6606File size:
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4850 x 3122 px | 41.1 x 26.4 cm | 16.2 x 10.4 inches | 300dpiDate taken:
9 April 2021Location:
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The wastefulness of the past Great Culm Bank at Shamokin Pennsylvania from the Article October 1896 Coal refuse (also described as coal waste, rock, slag, coal tailings, waste material, rock bank, culm, boney, or gob) is the material left over from coal mining, usually as tailings piles or spoil tips. For every tonne of hard coal generated by mining, 400 kilograms of waste material remains, which includes some lost coal. Piles of coal refuse can have significant negative environmental consequences, including the leaching of iron, manganese, and aluminum residues into waterways and acid mine drainage. The runoff can create both surface and groundwater contamination. The piles also create a fire hazard, with the potential to spontaneously ignite.