广东石菉铜矿为覆盖型岩溶露天矿区,水文地质条件复杂。地下岩溶发育。预测矿坑最大涌水量可达15.2×14米~3/日。采用地表深井疏干中石炭统的黄龙群灰岩承压含水层。目前,矿床排水量已达9.50×10~4/米~3/日,地下水位中心降深达42米。由矿床疏干排水而引起的地面塌陷问题已日趋严重,在矿区疏干漏斗内形 Guangdong Shi’er copper deposit is a cover type karst open pit mining area with complicated hydrogeological conditions. Underground karst development. It is predicted that the maximum water inflow in the pit will reach 15.2 × 14m ~ 3 / day. Deep-well dredging using the surface of the Carboniferous Huanglong Group limestone aquifer pressure. At present, the discharge of the deposit has reached 9.50 × 10 ~ 4 / m ~ 3 / day, and the groundwater table has been lowered to a depth of 42 meters. The problem of ground subsidence caused by drainage and drainage of deposit has become more and more serious.