Three samples from Zanhuang domain devoid of deformation and metamorphism yielded well-defined 0Ar/ 9Ar plateau ages of 7.8 . Ma, 77. 0. Ma and 780.7 0.8 Ma respectively.
Three samples from Zanhuang domain devoid of deformation and metamorphism yielded well-defined 0Ar/ 9Ar plateau ages of 7.8 . Ma, 77. 0. Ma and 780.7 0.8 Ma respectively.
赞皇基性岩脉中三个具有代表性样品的~(0)Ar／~( 9)Ar全岩坪年龄分别为：7.8±.Ma、77.±0.Ma、780.7±0.8Ma，代表了岩脉的侵位年龄。