High-Precision Sr-Nd-Hf-Pb Isotopic Composition of Chinese Geological Standard Glass Reference Materials CGSG-1, CGSG-2, CGSG-4 and CGSG-5 by MC-ICP-MS and TIMS

被引：9
作者：
Yang, Yue-Heng [1 ,2 ,3 ]
Yang, Ming [1 ,2 ,3 ]
Jochum, Klaus Peter [4 ]
Wu, Shi-Tou [1 ,2 ]
Zhao, Han [1 ,2 ,3 ]
Xie, Lie-Wen [1 ,2 ,3 ]
Huang, Chao [1 ,2 ]
Zhan, Xiu-Chun [5 ]
Yang, Jin-Hui [1 ,2 ,3 ]
Wu, Fu-Yuan [1 ,2 ,3 ]
机构：
[1] Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
[2] Chinese Acad Sci, Innovat Acad Earth Sci, Beijing 100029, Peoples R China
[3] Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing 100049, Peoples R China
[4] Max Planck Inst Chem, Climate Geochem Dept, POB 3060, D-55020 Mainz, Germany
[5] Natl Res Ctr Geoanal, Beijing 100037, Peoples R China
来源：
GEOSTANDARDS AND GEOANALYTICAL RESEARCH | 2020年 / 44卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Sr-Nd-Hf-Pb isotope composition; Chinese Geological Standard Glasses; MC-ICP-MS; TIMS; Glass Reference Materials; TRACE-ELEMENT; CHEMICAL-CHARACTERIZATION; REFERENCE SAMPLES; LU-HF; SM-ND; USGS; SILICATE; SEPARATION; STRONTIUM; NEODYMIUM;
D O I：
10.1111/ggr.12322
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
To assess the homogeneity of and provide the first Sr-Nd-Hf-Pb isotopic reference values for the Chinese Geological Standard Glasses CGSG-1, CGSG-2, CGSG-4 and CGSG-5, we measured these isotopes in several measurement sessions over the course of nearly 3 years. The results were obtained by high-precision MC-ICP-MS and TIMS. Our investigation indicates that these CGSG glass reference materials are homogenous with regard to Sr-Nd-Hf-Pb isotopic distribution and are therefore suitable geochemical materials for Sr-Nd-Hf-Pb isotope measurements. Clear differences in Sr-Nd-Hf-Pb isotopic composition were observed between the glasses and the original powdered rock reference materials (CGSG-2 and GSR-7, and especially CGSG-5 and GSR-2) because of flux addition during preparation of the glasses. The new Sr-Nd-Hf-Pb isotope data provided here might be useful to the geochemical community for in situ and bulk analysis.
引用
收藏
页码：567 / 579
页数：13
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