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Breakthrough of 2-to 3-mu m scale U-Pb zircon dating using Cameca IMS-1280HR SIMS
Liu, Yu1,2; Li, Xian-Hua1,2,3; Li, Qiu-Li1,2,3; Tang, Guo-Qiang1,2,3
2020-02-12
Source PublicationSURFACE AND INTERFACE ANALYSIS
ISSN0142-2421
Pages10
AbstractA zircon U-Pb dating method with a high spatial resolution of 2- to 3-mu m was successfully implemented by using Cameca IMS-1280HR SIMS in this study. Homemade cathode and modified intermediate pole were used to improve the intrinsic performance of duoplasmatron ion source. An O- primary beam with intensity of approximately 3 mu A and stability of 0.68% over 40 minutes was achieved and could be used continuously for more than 240 hours under high current conditions. Under Gaussian illumination mode, a 2- to 3-mu m O- primary beam was obtained with an intensity of approximately 200 pA. Four standard zircons, namely, 91500, Temora, Plesovice, and Qinghu, were dated using the 2- to 3-mu m high spatial resolution U-Pb isotopic analysis, yielding U-Pb ages consistent with their recommended values, within errors. Our work shows that zircon U-Pb dating with high accuracy and spatial resolution can be achieved, on the basis of a series of duoplasmatron modification and instrumental optimization.
Keywordhigh spatial resolution SIMS U-Pb dating zircon
DOI10.1002/sia.6752
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key R&D Program of China ; National Key R&D Program of China ; 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 Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key R&D Program of China ; National Key R&D Program of China ; 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 Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key R&D Program of China ; National Key R&D Program of China ; 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 Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China
WOS KeywordTH-PB ; GEOCHRONOLOGY ; HF ; AGE
Language英语
Funding ProjectNational Natural Science Foundation of China[41490632] ; National Natural Science Foundation of China[41673059] ; National Natural Science Foundation of China[41773044] ; National Key R&D Program of China[2018YFA0702600]
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key R&D Program of China ; National Key R&D Program of China ; 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 Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key R&D Program of China ; National Key R&D Program of China ; 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 Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key R&D Program of China ; National Key R&D Program of China ; 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 Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China
WOS Research AreaChemistry
WOS SubjectChemistry, Physical
WOS IDWOS:000512723300001
PublisherWILEY
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/95666
Collection岩石圈演化国家重点实验室
Corresponding AuthorLi, Xian-Hua
Affiliation1.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, Peoples R China
3.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing, Peoples R China
First Author AffilicationState Key Laboratory of Lithospheric Evolution
Corresponding Author AffilicationState Key Laboratory of Lithospheric Evolution
Recommended Citation
GB/T 7714
Liu, Yu,Li, Xian-Hua,Li, Qiu-Li,et al. Breakthrough of 2-to 3-mu m scale U-Pb zircon dating using Cameca IMS-1280HR SIMS[J]. SURFACE AND INTERFACE ANALYSIS,2020:10.
APA Liu, Yu,Li, Xian-Hua,Li, Qiu-Li,&Tang, Guo-Qiang.(2020).Breakthrough of 2-to 3-mu m scale U-Pb zircon dating using Cameca IMS-1280HR SIMS.SURFACE AND INTERFACE ANALYSIS,10.
MLA Liu, Yu,et al."Breakthrough of 2-to 3-mu m scale U-Pb zircon dating using Cameca IMS-1280HR SIMS".SURFACE AND INTERFACE ANALYSIS (2020):10.
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