The results showed that the fission track ages of quartz vary over a wide range from 1 Ma to 25 Ma in the four profiles, significantly younger than the ages of Triassic and Cambrian parent rocks.

• 结果显示:石英的裂变径迹年龄数据呈现出较大的变化范围,从1Ma到25Ma,且远远地小于其三叠纪和寒武纪的母岩年龄;