会议于11月21日至28日在南宁召开。参加的有来自全国冶金、煤炭、化工、建材及铀矿冶等系统从事矿山技术经济理论研究和实际工作的代表共180人;大会收到的学术论文及资料92篇。会议讨论的主要内容是:矿山技术经济理论方法(如企业经济评价方法、国民经济评价方法),矿石 The meeting was held in Nanning from November 21 to November 28. A total of 180 representatives from the metallurgy, coal, chemical industry, building materials and uranium mining and metallurgical systems engaged in the theoretical and practical work on mining technology and economy were invited to participate; 92 academic papers and materials were received by the conference. The main topics discussed at the conference are: technical and economic theories and methods of mines (such as enterprise economic evaluation methods, national economic evaluation methods), ore