论文部分内容阅读
我国幅员辽阔,砂矿资源丰富,分布广泛,是我国矿产资源尤其是稀贵矿产的重要来源。我国使用砂钻探矿历史较晚,二十年代用人力班加钻在云南个旧打砂锡矿,之后在东北、广西、湖南等省勘探过砂金矿。新中国成立后,我国砂矿钻探技术与应用大有发展,为国家勘寻了许多稀贵金属和矿产基地,对国民
China has a vast territory, abundant sand resources and widespread distribution. It is an important source of China’s mineral resources, especially rare and precious minerals. The history of using sandstone drilling in China was relatively late. In the 1920s, it was drilled in the sand and tin mine in Gejiu, Gejiu, Yunnan Province, and then explored gold and sand deposits in the northeast, Guangxi and Hunan provinces. After the founding of New China, China’s sand drilling technology and application of great development, for the country to explore many rare metals and mineral base, the national