矿山工业发展的现阶段,对于有用矿物采矿选矿,包括深部地下开采,创立无生态危害工艺的问题亟待解决。首先要解决的是矿山作业征用土地的问题。众所周知,现在的观点是只计算征用土地费用,而不考虑时间和被征用土地的农产品销售所能得到的收入因素。如果考虑农产品收入增长因素和土 At the present stage of the development of the mining industry, the issue of creating a non-ecological hazardous process for the beneficiation and mineral processing of useful minerals, including deep underground mining, is to be solved urgently. The first problem to be solved is the problem of requisition of land by mine operations. It is well-known that the current view is only to calculate the cost of land acquisition irrespective of the time and income factors that can be obtained from the sale of agricultural products on the requisitioned land. If you consider the income growth of agricultural products and soil