High-precision timing of the Quaternary standard samples with thermal ionization mass spectrometry (TIMS) U-series method期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

High-precision timing of the Quaternary standard samples with thermal ionization mass spectrometry (TIMS) U-series method

Authors:	Peng Zicheng Wang Zhaorong Sun Weidong Ma Zhibang Xia Ming Zhang Chenhui Chen Wenji Zhang Zhonglu An Zhisheng

Affiliation:	(1) Department of Earth and Space Sciences, University of Science and Technology of China, 230026 Hefei, China;(2) Institute of Geology, Chinese Academy of Sciences, 100029 Beijing, China;(3) National Seismology Bureau, Institute of Geology, 100029 Beijing, China;(4) State Key Laboratory of Loess and Quaternary Geology, 710054 Xi’an, China

Abstract:	Two national stalagnlite standards (GBW04412, GBW04413) and one international coral standard (RKM-4) have been determined by using thcrmal ionization mass spcctrometry (TIMS) method. The values of (²³⁴U/²³⁸U)_act, (²³⁰Th/²³⁴U)_act and age are all consistent in error range with thc stantlard values obtained by using α spectrometry.

Keywords:	thermal ionization mass spectrometry (TIMS) U-series method standard samples stalagmite and coral age determination
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