Minestone

Minestone, also known as colliery spoil, is the solid residual material resulting from the mining of coal. It is likely to contain varying proportions of sandstone, shale, mudstone and coal fragments. The properties of colliery spoil can vary considerably both within a tip and from tip to tip.[1]

References

  1. ↑ Skarżyńska, Krystyna M (1995). "Reuse of coal mining wastes in civil engineering — Part 1: Properties of minestone". Waste Management. 15: 3–42. doi:10.1016/0956-053X(95)00004-J.
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