The analytical results of monazite dating are well consistent with the previous ~(40)Ar-~(39)Ar ages, indicating that the electron microprobe dating technique for monazite and the new formula estimating age uncertainties are acceptable.

• 分析结果与前人用4 0 Ar- 39Ar法得到的结果相吻合 ,表明独居石电子探针定年技术是一种可靠有效的测年方法。