在当前“全民办工业”的飞跃发展,以及为了适应这一日千里的形势下,广西冶金試驗所在賀县选定沙田乡的暗冲口銅矿进行了以銅为主要开采对象的土法采矿試驗。这篇报告比較全面,从地質勘探一直到通风排水都提出了一些措施或意見,本刊由于篇幅所限,对地質勘探的部分已經略去。 In the current “leap-forward development of” private industry "and in order to adapt to the situation of a thousand miles, Guangxi Metallurgical Testing Institute in He County selected Shantung Township of the alluvial copper mine copper mining as the main object of the mining test. This report is more comprehensive, from the geological exploration to ventilation and drainage have put forward some measures or opinions, due to space limitations, the geological exploration of the part has been omitted.