采矿工业科学技术进步的基本方向之一是优先发展最有效的露天开采法。苏联科学院矿产资源综合开发问题研究所同各采矿部门的主要研究院所一起完成的矿床露天开采发展的预测说明,在苏联和外国的采矿工业中,露天开采法仍将占主要地位。预计将来固体有用矿物的露天开采量约 One of the basic directions for the advancement of science and technology in the mining industry is to prioritize the most effective open pit mining. The prediction made by the Institute of Mineral Resources Comprehensive Development Institute of the Soviet Academy of Sciences together with the major research institutes in various mining sectors to predict the development of open pit mining shows that the open pit mining method will continue to dominate the Soviet Union and foreign mining industries. Estimated future opencast mining of solid useful minerals is about