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在开采未氧化石英岩——库尔斯克磁力异常区采选联合企业的主要原料时,可以综合回收相当数量的氧化石英岩和结晶片岩。根据研究资料,对这些种类的矿物原料作工业处理在技术上是可能的,在经济上是合算的,可以大大提高露天开采的效果。因此,在技术设计中规定要对这些矿物原料分级分别堆置。
In the mining of unoxidized quartzite - Kursk magnetic anomaly zone mining and coal mining company’s main raw material, you can comprehensive recovery of a considerable number of oxidized quartzite and schist. According to the research data, it is technically possible to process these types of mineral raw materials industrially and economically, which can greatly enhance the effect of open pit mining. Therefore, in the technical design, it is stipulated that the mineral raw materials should be stacked separately.