Influence of increasing combustion temperature on the AMS C-14 dating of modern crop phytoliths
Yin, JH (Yin, Jinhui)[ 1,2 ]; Yang, X (Yang, Xue)[ 1 ]; Zheng, YG (Zheng, Yonggang)[ 1 ]
2014-10-07
发表期刊SCIENTIFIC REPORTS
卷号4页码:6511
文章类型期刊论文
摘要

Several attempts have been made to directly date phytoliths, but most C-14 results are not consistent with other independent chronologies. Due to the limited dataset, there is not a clear explanation for these discrepancies. Herein, we report the C-14 ages of phytolith-occluded carbon (PhytOC) from contemporary rice and millet crops that were combusted at different temperatures to investigate the relationship between the combustion temperature and resulting C-14 age. Our results show that the C-14 age of PhytOC increases directly with combustion temperature (up to 1100 degrees C) and results in age overestimations of hundreds of years. Considerably older ages are observed at higher temperatures, suggesting that it may be possible to distinguish between two fractions of organic carbon in phytoliths: labile and recalcitrant carbon. These findings challenge the assumption that PhytOC is homogeneous, an assumption made by those who have previously attempted to directly date phytoliths using C-14.

DOI10.1038/srep06511
收录类别SCIE
语种英语
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被引频次:12[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/9835
专题黄土与第四纪地质国家重点实验室(2010~)
通讯作者Yin, JH (Yin, Jinhui)[ 1,2 ]
作者单位1.State Key Laboratory of Earthquake Dynamics, Institute of Geology, China Earthquake Administration, Beijing 100029, China;
2.State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi’an710075, China
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GB/T 7714
Yin, JH ,Yang, X ,Zheng, YG . Influence of increasing combustion temperature on the AMS C-14 dating of modern crop phytoliths[J]. SCIENTIFIC REPORTS,2014,4:6511.
APA Yin, JH ,Yang, X ,&Zheng, YG .(2014).Influence of increasing combustion temperature on the AMS C-14 dating of modern crop phytoliths.SCIENTIFIC REPORTS,4,6511.
MLA Yin, JH ,et al."Influence of increasing combustion temperature on the AMS C-14 dating of modern crop phytoliths".SCIENTIFIC REPORTS 4(2014):6511.
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