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MAP-2 apatite: A new young age reference material for U-Pb dating with LA-ICPMS analysis

文献类型：期刊论文

作者Duan, Li-Jun1,2; Zhang, Liang-Liang3,4; Zhu, Di-Cheng3,4; Xie, Jin-Cheng3,4; Wang, Qing5,6; Wu, Shi-Tou7; Xu, Wen-Tan8; Kamo, Sandra9; Shi, Guang-Hai1
刊名INTERNATIONAL JOURNAL OF MASS SPECTROMETRY
出版日期2023-11-01
卷号493页码:10
ISSN号1387-3806
关键词Apatite reference material U-Pb age In situ LA-ICPMS
DOI10.1016/j.ijms.2023.117121
英文摘要Apatite is an essential mineral for geochronology and geochemistry. Precise and accurate U-Pb Laser ablation (LA)-inductively coupled plasma mass spectrometry (ICPMS) dating of apatite requires suitable matrix-matched reference materials (RMs), but young RMs (< 30Ma) are lacking from existing apatite RMs. We provided a gemquality apatite MAP-2 collected from Myanmar and subjected it to detailed chemical composition and U-Pb dating analyses to assess its homogeneity and suitability as a reference material for LA-ICPMS age determination. The results of comprehensive analyses of multiple methods show that the MAP-2 apatite is largely free of inclusions and is relatively homogenous in chemical and isotopic content. Notably, MAP-2 apatite could be the youngest apatite U-Pb dating reference material (about 22 Ma) with relatively high U contents range from 161 mu g g (-1) to 231 mu g g (-1) and an average of 210 mu g g (-1). The isotope dilution-thermal ionization mass spectrometry (ID-TIMS) U-Pb measurements yielded weighted mean isotopic ratio values of 0.00345 +/- 0.00003 for Pb-206/ U-238, 0.0243 +/- 0.0039 for Pb-207/U-235, 0.0512 +/- 0.0082 for Pb-207/Pb-206 and the weighted mean Pb-206/U-238 ages of 22.18 +/- 0.22 Ma (2SD, MSWD = 0.01, n = 6) as the recommended reference value. LA-ICPMS analyses yielded 207Pb-corrected weighted mean Pb-206/U-238 age of 22.0 +/- 0.1/0.2 Ma (2SD, MSWD = 4.2, n = 232) and the results are consistent with ID-TIMS data within the limits of the ID-TIMS analytical uncertainly, which indicates
WOS关键词MOGOK METAMORPHIC BELT ; LASER-ABLATION ; GEOCHRONOLOGY ; MYANMAR ; ZIRCON ; MS ; TEMPERATURE ; TRENDS ; MARBLE ; ROCKS
资助项目National Natural Science Foundation of China[41973052] ; National Natural Science Foundation of China[42121002] ; National Natural Science Foundation of China[41602059] ; National Natural Science Foundation of China[41772152] ; Fundamental Research Funds for the Central Universities[2652019092]
WOS研究方向Physics ; Spectroscopy
语种英语
出版者ELSEVIER
WOS记录号WOS:001067111500001
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities
源URL[http://ir.iggcas.ac.cn/handle/132A11/110799]  
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Zhang, Liang-Liang; Shi, Guang-Hai
作者单位1.China Univ Geosci Beijing, Sch Gemol, Beijing 100083, Peoples R China
2.Natl Gemstone Testing Ctr, Pingzhou Lab Lab, Foshan 528251, Peoples R China
3.China Univ Geosci Beijing, State Key Lab Geol Proc & Mineral Resources, Beijing 100083, Peoples R China
4.China Univ Geosci Beijing, Inst Earth Sci, Beijing 100083, Peoples R China
5.China Univ Geosci Beijing, State Key Lab Geol Proc & Mineral Resources, Beijing 100083, Peoples R China
6.China Univ Geosci Beijing, Sch Earth Sci & Resources, Beijing 100083, Peoples R China
7.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
8.Inst Disaster Prevent, Hebei Key Lab Earthquake Dynam, Langfang 065201, Hebei, Peoples R China
9.Univ Toronto, Dept Earth Sci, Jack Satterly Geochronol Lab, 22 Ursula Franklin St, Toronto, ON M5S 3B1, Canada
推荐引用方式
GB/T 7714		 Duan, Li-Jun,Zhang, Liang-Liang,Zhu, Di-Cheng,et al. MAP-2 apatite: A new young age reference material for U-Pb dating with LA-ICPMS analysis[J]. INTERNATIONAL JOURNAL OF MASS SPECTROMETRY,2023,493:10.
APA Duan, Li-Jun.,Zhang, Liang-Liang.,Zhu, Di-Cheng.,Xie, Jin-Cheng.,Wang, Qing.,...&Shi, Guang-Hai.(2023).MAP-2 apatite: A new young age reference material for U-Pb dating with LA-ICPMS analysis.INTERNATIONAL JOURNAL OF MASS SPECTROMETRY,493,10.
MLA Duan, Li-Jun,et al."MAP-2 apatite: A new young age reference material for U-Pb dating with LA-ICPMS analysis".INTERNATIONAL JOURNAL OF MASS SPECTROMETRY 493(2023):10.

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来源：地质与地球物理研究所

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