非金属矿产是人类最早利用的矿产资源,但长期以来,远未引起人们的普遍重视。直到本世纪初,人类利用的非金属矿产不过60种左右。 二次大战以后,随着各国经济和科学技术的发展,非金属矿产的位置仅次于能源和金属矿产,引起了人们的极大重视。五十年代以来,世界非金属矿产开发和利用的速度逐渐超过了金属矿产。如果说1950 Non-metallic mineral is the earliest human use of mineral resources, but for a long time, far from the widespread attention. Until the beginning of this century, human use of non-metallic mineral but about 60 kinds. After the Second World War, with the development of economy and science and technology in various countries, the non-metallic mineral is second only to energy and metal minerals, attracting great attention. Since the 1950s, the development and utilization of non-metallic minerals in the world have gradually surpassed that of metallic minerals. If you say 1950