Based on a series of triaxial tests,the behaviour of stress-strain and breakage volumetric strain of artificial rockfill materials is analyzed.

According to the gold metallogenic character in north western Qiyugou area,it is believed that the gold deposit types in the research area mainly belong to either altered fracture zone type,or explosion breccia type characterized by repeated mineralization in different times and epoches with a multiple source,and is potential for further exploration.