The REE distribution patterm indicates that there are multistage hydrothermal activity of quartz vein in Xingou, and the characteristics of quartz vein in Jinduicheng, Mahe, Dashigou.

• 石英脉的稀土元素研究证明西沟地区兼有金堆城、马河、大石沟钼矿床含矿石英脉的稀土配分曲线特征，具有多期热液活动。