氦素定年技术、氦热年代学及其在地质中的应用  

(U-Th)/He DATING TECHNIQUE AND THERMOCHRONOLOGY AND THEIR APPLICATIONS IN GEOLOGY

作　　者：杨美伶[1] 陈宣华[1] 

机构地区：[1]中国地质科学院地质力学研究所,北京100081

出　　处：《地质力学学报》2005年第2期164-171,共8页Journal of Geomechanics

基　　金：地调项目"国外地质科学发展动向及我国对策"(编号20018000001)。

摘　　要：本文介绍了氦同位素定年技术和氦热年代学,说明了该方法的理论基础和技术要求,以及其在较小幅度剥露作用研究、古地貌研究和年轻地质体定年等方面的应用情况和前景。In the paper the(U-Th)/He dating technique and thermochronology are introduced and the theoretical basis and technical requirements are dealt with.In addition,the applications of the (U-Th)/He dating technique in studies of small-magnitude exhumation,paleogeomorphology and high-precision dating of young geologic bodies are presented and the application prospects are discussed.

关 键 词：氦素定年 热年代学 地质应用 

分 类 号：P597[天文地球—地球化学] P575.6[天文地球—地质学]