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由于砂矿是某些稀有金属、贵金属、有色金属及部分非金属的重要来源,并有易找、易采、易选、投资少、收效快的特点,因此,许多国家都相当重视砂矿的勘探与开发工作.我国的砂矿开发工作,目前正处于发展初期,钻探技术方法还不完善,人们对于如何优质高效地进行砂矿勘探,如何选择砂矿钻探方法,如何评价砂矿钻孔质量等问题,正在探索与研究,本文就此谈谈个人浅见,以与同行商榷.
As placer ore is an important source of some rare metals, precious metals, non-ferrous metals and some non-metals, and is easy to find, easy to adopt, easy to choose, less investment and quick response, so many countries attach great importance to the Exploration and development work.China’s sand mining development work, is currently in its infancy, drilling technology is not perfect, people how to conduct high-quality and efficient sand exploration, how to choose sand drilling method, how to evaluate the quality of sand drilling And other issues, is to explore and research, this article to talk about personal humble opinion, to discuss with your peers.