目前,苏联用于寻找新矿床的费用,占整个地质投资的60～65%.在普查工作中,矿物方法和标志,长期以来就是非常重要的.前几个世纪和本世纪的前期,主要的有色和稀有金属矿床都是靠漂砾、堆积物、碎屑物、氧化带和风化壳矿物以及重砂矿物发现的.但近几十年来情况发生了根本的变化,其原因是:1.随着全国范围内较详细的地质填图和 At present, the Soviet Union spends about 60-65% of the total geological investment in finding new deposits, and mineral methods and logos have long been very important in the census work. For the first few centuries and the early part of this century, major Non-ferrous and rare metal deposits are found in boulders, deposits, detrital, oxidized zones and weathered crust minerals, as well as heavy grit minerals, but the fundamental changes have taken place in recent decades for the following reasons: A more detailed national geological mapping and