Marble karst development in Da-hong-shan mine caused a great deal of water bursting in mine shaft, sharply lowering ground water and large scale of surface subsidence.
大红山矿大理岩岩溶发育,由于突水造成井下大量涌水,同时引起地下水位急剧下降,引发了较大范围、较大规模的地面塌陷。
Developed marble karst in Dahongshan mine has led to a great deal of water burst in mine shaft and rapid groundwater table lowering, resulting in a large scale of surface subsidence.
大红山矿大理岩岩溶发育,由于突水造成井下大量涌水,同时引起地下水位急剧下降,引发了较大范围、较大规模的地面塌陷。
Ancient exploited traces of Tonglushan ancient copper mine occur in weathered soil of contact metamorphic zones between granite and marble.
铜录山古铜矿开采遗址存在于大理岩与花岗岩接触带中的风化土中。
Through monitoring and measuring of drilling indices of marble and primary ore body of Daye Iron Mine, a rational relationship between unit energy consumption and drilling speed is established.
对大冶铁矿大理岩和原生矿体的钻孔指标进行监测,建立合理单耗与钻进速度关系式。
The footwall was marble, whose cave and fissure were well developed and strong permeability and mine was impacted by the private mining for a long term.
下盘为大理岩,溶洞裂隙较发育,透水性较强,矿山长期受民采影响。
The footwall was marble, whose cave and fissure were well developed and strong permeability and mine was impacted by the private mining for a long term.
下盘为大理岩,溶洞裂隙较发育,透水性较强,矿山长期受民采影响。
应用推荐