Utilizing concrete pillars as an environmental
Orebody pillars mining process in trial stope Fig 20 shows the orebody pillars mining in the trial stope In this study the selected orebody pillars in the trial stope were distributed between line 6 and line 4 The thickness of the orebody varies between 5 m and 8 m The geomorphology of the mining area was hilly and the rock characteristics of roof orebody and floor were gneiss skarn