中、新生代火山岩年龄测定中的几个值得重视的问题

Some Major Problems in the Dating of Mesozoic and Cenozoic Volcanic Rocks

根据近20年的工作积累,本文了介绍中、新生代火山岩年代学研究中不同测年方法的适用性及一些值得重视的问题,还特别介绍了近年来在年轻火山岩年龄测定方面的一些最新尝试,并利用一些成功的实例加以说明。指出各个测年方法都有其长处,也有其局限性。随着先进技术的不断发展和引用,在中、新生代火山岩研究中已经有可能采用多种方法的综合对比研究,以求得到真实可靠的年龄结果。

Based on the experience of 20 years, the applicability of different chronological methods and some problems concerning the dating of Mesozoic and Cenozoic volcanic rocks were reviewed. Also , some new tests on young volcanic rock dating were introduced in terms of several successful examples. Different dating methods have advantages and also some limitations. It is possible to obtain authentic ages through comprehensive contrast between different methods with the development of technology in the dating of Mesozoic and Cenozoic volcanic rocks.