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Monazite RW-1: a homogenous natural reference material for SIMS U-Pb and Th-Pb isotopic analysis

文献类型：期刊论文

作者Ling, Xiao-Xiao1; Huyskens, Magdalena H.2; Li, Qiu-Li1; Yin, Qin-Zhu2; Werner, Ronald3; Liu, Yu1; Tang, Guo-Qiang1; Yang, Ya-Nan1; Li, Xian-Hua1
刊名MINERALOGY AND PETROLOGY
出版日期2017-04-01
卷号111期号:2页码:163-172
关键词Monazite Reference Material Sims U-th-pb Dating
ISSN号0930-0708
DOI10.1007/s00710-016-0478-7
文献子类Article
英文摘要Well-characterized matrix-matched natural mineral references of known age are an important prerequisite for SIMS (secondary ion mass spectrometry) U-Th-Pb dating. We have characterized RW-1, a 44 g yellowish-brown single monazite specimen from a Norwegian pegmatite as an excellent hi-Th reference material for secondary ion mass spectrometric U-Th-Pb dating. A total of 206 secondary ion mass spectrometric analyses over six analytical sessions were performed on different monazite fragments of RW-1. The analyses resulted in Pb-207-based common lead corrected Pb-206/U-238 ages and Th-Pb ages with overall 2 % (2 SD = standard deviation) variations, indicating the good U-Th-Pb system homogeneity. The homogeneity of Th content of 11.8 +/- 1.0 wt% (2 SD) and Th/U of 42 +/- 3 (2 SD) make this crystal also a good compositional reference material. We used the combined ID-TIMS(Pb)/ID-MC-ICP-MS(U) technique (i.e. isotope dilution thermal ionization mass spectrometry for Pb, and isotope dilution multi-collector inductively-coupled plasma mass spectrometry for U) to determine U-Pb ages of the monazite samples studied. The mean Pb-207/U-235 age of 904.15 +/- 0.26 Ma (95 % confidence level) is recommended as the best estimate crystallization age for RW-1 monazite. Considering that the most commonly distributed U-Pb monazite reference materials have rather low ThO2, we suggest that this RW-1 monazite with its ThO2 of 13.5 wt% is a suitable reference material providing investigators more confidence when dating high-Th monazite unknowns.
WOS关键词ION MICROPROBE ; ICP-MS ; GEOCHRONOLOGY ; ZIRCON ; AGE ; SYSTEMATICS ; PEGMATITE ; EVOLUTION ; STANDARDS ; HIMALAYA
WOS研究方向Geochemistry & Geophysics ; Mineralogy
语种英语
WOS记录号WOS:000398842400001
出版者SPRINGER WIEN
资助机构National Natural Science Foundation of China(41303042 ; National Natural Science Foundation of China(41303042 ; State Key Laboratory of Lithospheric Evolution, Institute of Geology and Geophysics, Chinese Academy of Sciences(201301) ; State Key Laboratory of Lithospheric Evolution, Institute of Geology and Geophysics, Chinese Academy of Sciences(201301) ; 41521062) ; 41521062) ; National Natural Science Foundation of China(41303042 ; National Natural Science Foundation of China(41303042 ; State Key Laboratory of Lithospheric Evolution, Institute of Geology and Geophysics, Chinese Academy of Sciences(201301) ; State Key Laboratory of Lithospheric Evolution, Institute of Geology and Geophysics, Chinese Academy of Sciences(201301) ; 41521062) ; 41521062) ; National Natural Science Foundation of China(41303042 ; National Natural Science Foundation of China(41303042 ; State Key Laboratory of Lithospheric Evolution, Institute of Geology and Geophysics, Chinese Academy of Sciences(201301) ; State Key Laboratory of Lithospheric Evolution, Institute of Geology and Geophysics, Chinese Academy of Sciences(201301) ; 41521062) ; 41521062) ; National Natural Science Foundation of China(41303042 ; National Natural Science Foundation of China(41303042 ; State Key Laboratory of Lithospheric Evolution, Institute of Geology and Geophysics, Chinese Academy of Sciences(201301) ; State Key Laboratory of Lithospheric Evolution, Institute of Geology and Geophysics, Chinese Academy of Sciences(201301) ; 41521062) ; 41521062)
源URL[http://ir.iggcas.ac.cn/handle/132A11/52957]  
专题地质与地球物理研究所_岩石圈演化国家重点实验室
通讯作者Li, Qiu-Li
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
2.Univ Calif Davis, Dept Earth & Planetary Sci, One Shields Ave, Davis, CA 95616 USA
3.Evje Hornnes Geomuseum Fennefoss, Postboks 24, N-4748 Rysstad, Norway
推荐引用方式
GB/T 7714		 Ling, Xiao-Xiao,Huyskens, Magdalena H.,Li, Qiu-Li,et al. Monazite RW-1: a homogenous natural reference material for SIMS U-Pb and Th-Pb isotopic analysis[J]. MINERALOGY AND PETROLOGY,2017,111(2):163-172.
APA Ling, Xiao-Xiao.,Huyskens, Magdalena H..,Li, Qiu-Li.,Yin, Qin-Zhu.,Werner, Ronald.,...&Li, Xian-Hua.(2017).Monazite RW-1: a homogenous natural reference material for SIMS U-Pb and Th-Pb isotopic analysis.MINERALOGY AND PETROLOGY,111(2),163-172.
MLA Ling, Xiao-Xiao,et al."Monazite RW-1: a homogenous natural reference material for SIMS U-Pb and Th-Pb isotopic analysis".MINERALOGY AND PETROLOGY 111.2(2017):163-172.

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来源：地质与地球物理研究所

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