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Created page with "== Overview == Tailings are the materials left over after the process of separating the valuable fraction from the uneconomic fraction of an ore. They are distinct from overburden and waste rock, which are the materials that are removed to expose the ore body. Tailings are usually produced from the mill in slurry form (a mixture of fine mineral particles and water). == Composition == The composition of tailings varies from mine to mine, with the type and..."