Application of Avaatech X-ray fluorescence core-scanning in Sr/Ca analysis of speleothems

被引:1
作者
Dong LI [1 ,2 ]
Liangcheng TAN [1 ,3 ,4 ,5 ]
Fei GUO [1 ,2 ]
Yanjun CAI [1 ,3 ,4 ,5 ]
Youbin SUN [1 ,3 ]
Gang XUE [1 ,2 ]
Xing CHENG [1 ,2 ]
Hong YAN [1 ,3 ]
Hai CHENG [4 ,6 ]
R.Lawrence EDWARDS [6 ]
Yongli GAO [7 ]
Jessica KELLEY [7 ]
机构
[1] State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences
[2] University of Chinese Academy of Sciences
[3] Center for Excellence in Quaternary Science and Global Change, Chinese Academy of Sciences
[4] Institute of Global Environmental Change, Xi'an Jiaotong University
[5] Open Studio for Oceanic-Continental Climate and Environment Changes, Pilot National Laboratory for Marine Science and Technology
[6] Department of Earth Sciences, University of Minnesota
[7] Department of Geological Sciences, University of Texas at San Antonio
关键词
Avaatech XRF; Speleothem; Sr/Ca; Paleoclimate;
D O I
暂无
中图分类号
P714 [调查及观测方法];
学科分类号
0816 ;
摘要
Application of X-ray fluorescence core-scanning(XRF-CS) on both marine and lake sediments has achieved remarkable results. However, its application has not been widely extended to the research on speleothems. In this study, we measure the Sr abundance and the Sr/Ca ratios of three stalagmites(two aragonite stalagmites, one calcite stalagmite) using the state-of-the-art fourth-generation Avaatech high-resolution XRF core scanner. Through comparisons among different scan paths and among different scan resolutions, as well as comparisons with inductively coupled plasma optical emission spectrometer(ICP-OES), Itrax XRF, and Artax XRF results, we confirm that the Avaatech XRF core scanner could precisely, quickly, and nondestructively analyze the high-resolution Sr abundance of speleothems. Furthermore, we combine the stalagmite δ18O records to explore the paleoclimatic significance of the measured stalagmite Sr/Ca.
引用
收藏
页码:964 / 973
页数:10
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