据全国矿产资源论证办公室主任王家枢介绍:从1992年开始进行的《我国矿产资源对2010年国民经济建设保证程度论证》工作(简称二轮资源论证),在全国700多个地矿生产、经济、规划、设计和统计单位,以及2200余名专家的共同努力下,已经取得重要的中间成果:1．已经完成全国45种主要矿产的约15,000个矿区的技术经济分类调查工作, According to Wang Jiushu, director of the National Mineral Resources Argument Office, the “Demonstration on the Degree of Guarantee of National Mineral Resources in China in 2010” conducted since 1992 has been carried out in more than 700 mines in the country and the economy , Planning, design and statistics units, together with more than 2,200 experts, have achieved important intermediate results: 1. It has completed the technical and economic classification survey of about 15,000 mines in 45 major national minerals,