Tailings,  · Tailings are the materials left over after the process of separating the valuable fraction from the uneconomic fraction (gangue) of an ore. Tailings are distinct from overburden, which is the waste rock or other material that overlies an ore or mineral body and is displaced during mining without being processed. The extraction of minerals from ...PK Crushing,  · Kuru Contracting and PK Crushing run an extensive fleet of Keestrack Processing Equipment at their quarries on the East Coast of New Zealand. 0:07 Keestrack B4 Mobile Jaw Crusher, 0:38 Keestrack ...Coal breaker,  · A coal breaker is a coal processing plant which breaks coal into various useful sizes. Coal breakers also remove impurities from the coal (typically slate) and deposit them into a culm dump. The coal breaker is a forerunner of the modern coal preparation plant.[1] Generally speaking, a coal tipple was typically used at a bituminous coal mine ...Mineral processing,  · Also new sensors have been developed which exploit material properties such as electrical conductivity, magnetization, molecular structure and thermal conductivity. Sensor based sorting has found application in the processing of nickel, gold, copper, coal and . ...Bal maiden,  · A bal maiden, from the Cornish language bal, a mine, and the English "maiden", a young or unmarried woman, was a manual labourer working in the mining industries of Cornwall and western Devon, at the south-western extremity of Great Britain.[a] The term has been in use since at least the early 18th century.[b] At least 55,000 women and ....

Get Price