文章基本信息

标题：Uranium-series and radiocarbon dating of speleothems – methods and limitations
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作者：Helena Hercman ; Tomasz Goslar
期刊名称：Acta geologica Polonica
印刷版ISSN：0001-5709
出版年度：2003
卷号：52
期号：1
页码：35-41
语种：English
出版社：Institute of Geology, University of Warsaw
摘要：14C ages of speleothems are usually younger than the Uranium-Series ages. The difference is often explained by changes of atmospheric radiocarbon concentration in the past, and in fact, speleothems have been used as a material for radiocarbon time scale calibration. However in other works large spread of data points has been obtained. Comparison with the 14C calibration data suggests that many 14C of speleothems ages are too young or the Uranium-Series ages too old. 14C dates of speleothems are commonly treated with caution, because of the reservoir effect, producing an apparent age, which is usually not accurately known. However, the reservoir effect may be of minor importance when compared to contamination with younger carbon.
关键词：Uranium-Series dating;Radiocarbon Dating;Speleothems;Geochronology