金属矿床在开采的过程中,经常发生地质情况上的变化,主要是矿体产状、金属品位的变化以及构造的变动。有时因地质情况的特殊变化,而不得不停止矿块(采矿场)的开采,必须进行补充勘探,才能确定开采方向或者报销(没有采掘价值)。这样所造成的后果是极其严重的,一方面要影响到矿山企业生产作业计划的完成,另一方面要造成有用矿物的损失和贫化。 During the mining process, the metal deposits often change in geological conditions, mainly due to the ore body shape, the change of the metal grade and the structural changes. In some cases, due to special geological changes, the mining of blocks (mining sites) has to be stopped and additional exploration must be carried out to determine the direction of exploitation or reimbursement (no mining value). The consequences of such a result are extremely serious, on the one hand to affect the completion of mine production planning operations, on the other hand to cause the loss and depletion of useful minerals.