废石是指已采下的不含矿的围岩和夹石的通称。在露天采矿场内，把剥离的覆土、围岩及不含工业价值的脉石通称废石，这些废石必须及时排弃到一定地点，能容纳废石的场所称为废石场。
埃斯康迪达在西班牙语中有“隐藏”的意思，正暗示了铜矿的矿体埋藏在废石层下几百米深的地方，而从地表却一丝痕迹也看不出来。
Escondida means "hidden" in Spanish, and it refers to the fact that the copper ore body was buried beneath hundreds of meters of barren rock, and the surface geology gave no signs of its presence.
这种废石或碎石的行为与洁净的砂石或砾石相类似。
The behaviour of this waste or broken rock is similar to that of a clean sand or gravel.
针对上述主要问题，提出采用上向分条分层废石充填采矿法。
According to the problems above, the waste rock fill mining method with the upward slitting stratification is put forward.
应用推荐