我矿在“鼓足干劲,力争上游,多快好省地建设社会主义”总路线的指引下,在国内外一派大好形势的鼓舞下,放手发动群众,大干快上,为大打矿山之仗多做贡献,将露天矿生产前期的开拓方法,由螺旋式固定坑线开拓改为沿矿体顶盘的移动式坑线开拓,降低了露天矿前期的生产剥采比,取得了良好的效果。在投产的第一年就达到设计 Inspired by the good situation both at home and abroad, guided by the general principle of “building a socialist society with more energy, faster and more economical development,” the mine has let go and mobilize the masses and make more efforts to fight the mines In order to make contributions, the pioneering method of the open pit mine production was changed from the spiral fixed pit line to the mobile pit line along the top plate of the ore body, which reduced the production stripping ratio of the open pit mine in the early stage and achieved good results. In the first year of production to achieve the design