raw materials of mineral

raw materials of mineralraw materials of mineral
  1. The geology circumstance problem caused by the exploiting of the underground raw materials of mineral products reads as follows : the subside , the crack of land , landslide , mud-rock flow and other geology calamity .

    地下矿产资源的开采引发的地质环境问题主要有地面塌陷、地裂缝、滑坡、泥石流等地质灾害。