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一、概况:里伍铜矿残采地段位于已经结束采矿作业的282 0米、2800米、2780米中段的B1、B3-1、B4矿体低品位矿块段,2003—2005年铜市场行情低迷,由于矿石品位在0.5%左右,通过计算没有开采的经济价值;2006年至今铜市场行情一路走高相对稳定,具有对低品位矿体进行残采工作的市
I. Overview: The residue level of the Liwu Copper Mine is located in the low-grade ore blocks of B1, B3-1 and B4 ore bodies in the mid-section of 282 0 m, 2800 m and 2780 m that have ended their mining operations, and the copper market in 2003-2005 Downturn, due to the grade of ore is about 0.5%, by calculating the economic value of no exploitation; Since 2006, the copper market all the way higher and stable, with low-grade ore body for residual mining work in the city