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Evaluation of high-resolution elemental analyses of Chinese loess deposits measured by X-ray fluorescence core scanner
Liang, LJ (Liang, Lianji)[1,2]; Sun, YB (Sun, Youbin)[1]; Yao, ZQ (Yao, Zhengquan)[3]; Liu, YG (Liu, Yanguang)[3]; Wu, F (Wu, Feng)[1]
2012-05-01
发表期刊CATENA
卷号92页码:75-82
文章类型期刊论文
摘要

Chinese loess is a unique continental archive of Quaternary climate change, and its elemental components or ratios can provide significant insights into variations in the East Asian palaeomonsoon at tectonic to millennial timescales. However, high-resolution elemental analyses of loess deposits have seldom been reported. To investigate geochemical variations of loess sediments at millennial and centennial timescales, and their potential for recording abrupt climate change, powder and U-channel (long plastic single-boxes used to sub-sample the center of split core sections) samples were collected from the Gulang loess section on the northwestern Chinese Loess Plateau for conventional and scanning X-ray fluorescence (XRF) analyses. Results suggest that although ten elements (Al, Si, K. Ca, Ti, Fe, Zn, Rb, Sr and Zr,) can be detected robustly using scanning XRF method, only five elements (Si, Ca, Fe, Sr and Zr) can be employed confidently to infer the chemical weathering and grain size sorting effects. Comparison of scanning XRF-derived elemental data with magnetic susceptibility, grain size and speleothem records indicates that high-resolution elemental records have great potential for evaluating rapid fluctuations of the East Asia monsoon.

关键词Chinese Loess Plateau Loess U-channel Samples Xrf Core Scanner Elemental Geochemistry East Asian Monsoon
DOI10.1016/j.catena.2011.11.010
收录类别SCI
语种英语
引用统计
被引频次:6[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/361006/10100
专题古环境研究室
通讯作者Sun, YB (Sun, Youbin)[1]
作者单位1.State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710075, China;
2.Graduate University of Chinese Academy of Sciences, Beijing 100049, China;
3.Key Laboratory of Marine Sedimentology and Environment Geology, First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China
推荐引用方式
GB/T 7714
Liang, LJ ,Sun, YB ,Yao, ZQ ,et al. Evaluation of high-resolution elemental analyses of Chinese loess deposits measured by X-ray fluorescence core scanner[J]. CATENA,2012,92:75-82.
APA Liang, LJ ,Sun, YB ,Yao, ZQ ,Liu, YG ,&Wu, F .(2012).Evaluation of high-resolution elemental analyses of Chinese loess deposits measured by X-ray fluorescence core scanner.CATENA,92,75-82.
MLA Liang, LJ ,et al."Evaluation of high-resolution elemental analyses of Chinese loess deposits measured by X-ray fluorescence core scanner".CATENA 92(2012):75-82.
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