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近十年来,J.L.Bada等人应用地质体中氨基酸的外消旋反应测定地质年龄和古温度的新技术,在测定古人类年龄或洞穴沉积层的相对年龄方面已取得了可喜的成果。这种技术比起其他年龄测定方法——铀系法、裂变径迹法、古地磁法、热发光法和~(14)C法来具有它自己的独到之处,它的生命力在于应用不同氨基酸的外消旋反应几乎可以测定整个第四纪范围内的地质年龄,因此受到了我国地质年代学工作者们的注意。本文将介绍应用氯基酸外消旋反应测定骨化石年龄和所在环境平均古温度的计算方法、应用范围及其有关问题。文中部分数据是美国加利福尼亚大学斯克里普
In the recent decade, J.L. Bada et al. Have made gratifying achievements in the determination of paleontology or the relative ages of cave sedimentary layers by using the new technology of geochemical age and paleotemperature determination by means of racemization of amino acids in geologic bodies. This technique has its own uniqueness over other dating methods - uranium, fission track, paleomagnetism, thermoluminescence and ~ (14) C. It has the vitality of using different amino acids The racemic reaction can determine the geologic age in the whole Quaternary almost. Therefore, it has been paid attention by geochronology workers in our country. This article will introduce the calculation method, application scope and related problems of the determination of the age of fossil bones and the average ancient temperature of the environment by using the racemic reaction of chloroacid. Part of the data in the paper is the University of California, Scripps