SHRIMP锆石U—Pb测年方法简介

Introduction to SHRIMP Zircon U—Pb Dating Methods

摘要:

该文对SHRIMP锆石U[CD*2]Pb同位素测年方法从野外取样、碎样、矿物分选、制靶、显微照相和图片标记处理及测试进行了介绍，同时对LP[CD*2]ICPMS法和TIMS法进行了简要说明。SHRIMP法对前寒武纪地质体年龄的测定具重要定年意义。

Abstract:

In this paper, SHRIMP zircon U—Pb isotopic dating method is introduced from some aspects, such as field sampling, broken samples, mineral separation, target fabrication, microscopic photography and image tag handling and testing. LP[CD*2]ICPMS method and TIMS method are described briefly. SHRIMP method has important dating significance on determining the age of Precambrian geological bodies.