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铁矿床的矿山企业设计和生产,要求确定矿床的开发顺序和开采期限,以及回收有用矿物的参数及矿山企业的技术经济指标。对于方案的经济评价,应区分三个基本要素: ——采矿时表内储量损失所引起的经济
The design and production of iron ore mines requires the determination of the sequence and duration of the deposits to be developed, as well as the parameters for the recovery of valuable minerals and the technical and economic indicators of the mines. For the economic evaluation of the program, three basic elements should be distinguished: - the economy caused by the loss of reserves in the mining schedule