Hence, for the minerals to be analyzed in some rocks, when there are all sorts of genesis with xenolith, magma, mantle and so on in them,the age of a certain single event can be respectively got.
因此,当些岩体的被测矿
有
虏体成因、岩浆成因、地幔成因等各种来
时,可分别求出
单一事件的年龄。