WebWaste rock is the rock mass that must be removed to access ore zones of economic value. It is either barren of the mineral resource being mined or contains concentrations of ore … WebWaste occurs at several stages of the mining process and throughout all the life of the mine, from exploration (drilling) to mine closure. Several types of waste are generated …
Glossary of Mining Terms - SEC
WebThe mining process generates two by-products: Waste Rock: rock that is non-mineralised, or mineralised rock which contains insufficient gold to process economically. Tailings: the … WebCoal refuse (also described as coal waste, rock, slag, coal tailings, waste material, rock bank, culm, boney, or gob [1]) is the material left over from coal mining, usually as … eat smart new york peeler tool
Open-pit mining - Wikipedia
WebAcid mine drainage - Acidic run-off water from mine waste dumps and mill tailings ponds containing sulphide minerals. Also refers to ground water pumped to surface from … Web10 aug. 2012 · Mining and mineral-processing wastes—the solid and liquid materials generated after mining and ore processing at or near mine sites ()—have no current … WebWaste Rock Definition The primary and most prevalent waste generated by many mining operations is waste rock, or overburden. Waste rock, which consists of rock and target minerals in concentrations too low for economic recovery, is … companion bus pass application wakefield