本文旨在提起人们对非大型矿山和公司的注意,并就其在均衡发展的矿物工业中引起的问题、所具有的实力和弱点及其重要性陈述几点看法。对矿物工业结构应从三个不同的方面来看,即矿床的大小、矿山的生产水平和拥有 The purpose of this article is to bring people’s attention to non-major mines and companies and to present some observations on the issues, the strengths and weaknesses and the importance they pose in the balanced development of the mineral industry. The structure of the mineral industry should be viewed from three different perspectives, namely, the size of the deposit, the level of production of the mine and the ownership