Abstract: On the basis of analysis of mining technical condition of a skarn type gently inclined medium thick ore body, trench receiving ore open stope mining afterwards filling method was proposed, and mining industrial test was done. The result indicated, the technical and economic indexes of new type mining method were good, with ore recovery rate 81.33%, rate of dilution 14.18%,ratio of extraction-to-cut only 8.56 m/kt, explosive consumption 0.34 kg/t .Meanwhile, install drag reduction deflector in drawing chute,using trench receiving ore method and medium-length hole leakage expanding once shaping and hole-bottom initiation technology, could improving ore-drawing efficiency and production capacity effectively and blasting effect.

Key words: Gently inclined medium thick orebody, Subsequent filling, Trench receiving ore, Drag reduction, Hole-bottom initiation