In the east part of the orefield, the trend of arcual fault is convergent NNW-wards and divergent SE-wards.These arcual faults must be a broomlike structure.

• 矿区东部断裂呈弧形弯曲,并作NNW向收敛、SE方向撒开趋势,这些弧形断裂应是一帚状构造。