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According to the difficulty of ore beneficiation, based on mineral exploration, mineral composition research and mineral processing experiment, according to the mineral processing industry indicators formulated by the state and industry, the ore (or deposit) industrial type can be divided into easy-to-select and easy-to-select, Difficult to choose three types. Its main indicators:
(1) Easily selected ore type (the concentrate grade is greater than the minimum requirements set by the state, and the recovery rate is greater than 90%);
(2) It is easier to select the type of ore (the concentrate grade is greater than the minimum requirements set by the state, and the recovery rate is 70% ~ 90%);
(3) Types of refractory ore (concentrate grade is greater than the minimum requirements set by the state, and the recovery rate is 50% to 70%).
In this way, the ore (or deposit) industrial classification scheme is divided according to the difficulty of mineral processing. The standard is clear, simple and easy to apply, and is suitable for mineral exploration and mining. Practice has shown that the mineral composition of the deposit is simple, and it is mostly a type of deposit that is easy to select and easier to select. Such as sedimentary metamorphic iron deposits, porphyry copper- molybdenum deposits, quartz vein type black-tungsten deposits, etc.; and those multi-source mineralization, diversification of mineralization, multi-stage mineralization era "deposit mostly refractory deposit types, such as Inner Mongolia Baiyunebo iron, rare earth, niobium, fluorine large deposits, Hunan Shizhuyuan tungsten, tin, bismuth, molybdenum-based super tungsten metal deposit and the like.
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