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Non-Matrix-Matched Determination of Th-Pb Ages in Zircon, Monazite and Xenotime by Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry
Luo, Tao1; Zhao, He1; Li, Qiuli2; Li, Yang2; Zhang, Wen1; Guo, Jingliang1; Liu, Yongsheng1; Zhang, Junfeng1; Hu, Zhaochu1
2020-09-16
Source PublicationGEOSTANDARDS AND GEOANALYTICAL RESEARCH
ISSN1639-4488
Pages16
AbstractSimilar to the U-Pb system, the(232)Th-Pb-208 decay scheme is also widely utilised in geochronology of Th-rich accessory minerals. The matrix-dependent systemic deviations observed between different accessory minerals and the paucity of well-characterised reference materials for some minerals of interest (e.g., xenotime and allanite) are the major obstacles to yield accurate and precise Th-Pb ages with laser ablation-inductively coupled plasma-mass spectrometry (LA-ICP-MS). In this study, we investigated the effects of the addition of nitrogen, oxygen and water vapour before the ablation cell on the accuracy of Th-Pb dating of accessory minerals (i.e., zircon, monazite and xenotime) using NIST SRM 610 glass as the calibrating reference material. Our results demonstrate that the measured(208)Pb/Th-232 ages in zircon, monazite and xenotime were approximately 9-24% lower than their isotope dilution thermal ionisation mass spectrometry (ID-TIMS) ages in normal ablation (without addition of additional gases). The measured(208)Pb/Th-232 ages of zircon (Plesovice, M257 and Qinghu), monazite (44069 and Trebilcock) and xenotime (BS-1 and MG-1) showed excellent agreement with their respective reference values with the addition of small amounts of water vapour before the ablation cell. This may be due to the dramatically reduced biases for the down-hole fractionation of Pb/Th intensity ratios in NIST SRM 610 and accessory minerals in the presence of water vapour. The Th-Pb ages of zircon, monazite and xenotime were successfully analysed using NIST SRM 610 glass as the calibrating reference material with both 193 nm ArF excimer laser ablation-quadrupole-inductively coupled plasma-mass spectrometry (LA-Q-ICP-MS) and 213 nm Nd:YAG laser ablation-sector field-inductively coupled plasma-mass spectrometry (LA-SF-ICP-MS) in combination with the developed water vapour-assisted method. This method is an effective and notably simple approach for non-matrix-matched analysis of Th-Pb ages in zircon, monazite and xenotime by LA-ICP-MS.
KeywordLA-ICP-MS Th-Pb dating non-matrix-matched analysis zircon monazite xenotime
DOI10.1111/ggr.12356
Funding OrganizationNational Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Science Fund for Distinguished Young Scholars ; National Science Fund for Distinguished Young Scholars ; Chinese Ministry of Education ; Chinese Ministry of Education ; MOST Special Fund from the State Key Laboratories of Geological Processes and Mineral Resources ; MOST Special Fund from the State Key Laboratories of Geological Processes and Mineral Resources ; China National Space Administration ; China National Space Administration ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Science Fund for Distinguished Young Scholars ; National Science Fund for Distinguished Young Scholars ; Chinese Ministry of Education ; Chinese Ministry of Education ; MOST Special Fund from the State Key Laboratories of Geological Processes and Mineral Resources ; MOST Special Fund from the State Key Laboratories of Geological Processes and Mineral Resources ; China National Space Administration ; China National Space Administration ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Science Fund for Distinguished Young Scholars ; National Science Fund for Distinguished Young Scholars ; Chinese Ministry of Education ; Chinese Ministry of Education ; MOST Special Fund from the State Key Laboratories of Geological Processes and Mineral Resources ; MOST Special Fund from the State Key Laboratories of Geological Processes and Mineral Resources ; China National Space Administration ; China National Space Administration ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Science Fund for Distinguished Young Scholars ; National Science Fund for Distinguished Young Scholars ; Chinese Ministry of Education ; Chinese Ministry of Education ; MOST Special Fund from the State Key Laboratories of Geological Processes and Mineral Resources ; MOST Special Fund from the State Key Laboratories of Geological Processes and Mineral Resources ; China National Space Administration ; China National Space Administration
WOS KeywordNATURAL REFERENCE MATERIAL ; U-PB ; ICP-MS ; CARRIER GAS ; GEOCHRONOLOGY ; ALLANITE ; ISOTOPE ; HF ; SYSTEMATICS ; QUADRUPOLE
Language英语
Funding ProjectNational Key R&D Program of China[2016YFE0203000] ; National Natural Science Foundation of China[41903015] ; National Natural Science Foundation of China[41873029] ; National Science Fund for Distinguished Young Scholars[41725013] ; Chinese Ministry of Education[BP0719022] ; MOST Special Fund from the State Key Laboratories of Geological Processes and Mineral Resources ; China National Space Administration[D020205]
Funding OrganizationNational Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Science Fund for Distinguished Young Scholars ; National Science Fund for Distinguished Young Scholars ; Chinese Ministry of Education ; Chinese Ministry of Education ; MOST Special Fund from the State Key Laboratories of Geological Processes and Mineral Resources ; MOST Special Fund from the State Key Laboratories of Geological Processes and Mineral Resources ; China National Space Administration ; China National Space Administration ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Science Fund for Distinguished Young Scholars ; National Science Fund for Distinguished Young Scholars ; Chinese Ministry of Education ; Chinese Ministry of Education ; MOST Special Fund from the State Key Laboratories of Geological Processes and Mineral Resources ; MOST Special Fund from the State Key Laboratories of Geological Processes and Mineral Resources ; China National Space Administration ; China National Space Administration ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Science Fund for Distinguished Young Scholars ; National Science Fund for Distinguished Young Scholars ; Chinese Ministry of Education ; Chinese Ministry of Education ; MOST Special Fund from the State Key Laboratories of Geological Processes and Mineral Resources ; MOST Special Fund from the State Key Laboratories of Geological Processes and Mineral Resources ; China National Space Administration ; China National Space Administration ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Science Fund for Distinguished Young Scholars ; National Science Fund for Distinguished Young Scholars ; Chinese Ministry of Education ; Chinese Ministry of Education ; MOST Special Fund from the State Key Laboratories of Geological Processes and Mineral Resources ; MOST Special Fund from the State Key Laboratories of Geological Processes and Mineral Resources ; China National Space Administration ; China National Space Administration
WOS Research AreaGeochemistry & Geophysics
WOS SubjectGeochemistry & Geophysics
WOS IDWOS:000570074900001
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/98240
Collection岩石圈演化国家重点实验室
Corresponding AuthorHu, Zhaochu
Affiliation1.China Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
Recommended Citation
GB/T 7714
Luo, Tao,Zhao, He,Li, Qiuli,et al. Non-Matrix-Matched Determination of Th-Pb Ages in Zircon, Monazite and Xenotime by Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry[J]. GEOSTANDARDS AND GEOANALYTICAL RESEARCH,2020:16.
APA Luo, Tao.,Zhao, He.,Li, Qiuli.,Li, Yang.,Zhang, Wen.,...&Hu, Zhaochu.(2020).Non-Matrix-Matched Determination of Th-Pb Ages in Zircon, Monazite and Xenotime by Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry.GEOSTANDARDS AND GEOANALYTICAL RESEARCH,16.
MLA Luo, Tao,et al."Non-Matrix-Matched Determination of Th-Pb Ages in Zircon, Monazite and Xenotime by Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry".GEOSTANDARDS AND GEOANALYTICAL RESEARCH (2020):16.
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