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Reappraisement and refinement of zircon U-Pb isotope and trace element analyses by LA-ICP-MS
Chen HaiHong; Xu Juan; Gao Shan; Gao ChangGui; Zong KeQing; Hu ZhaoChu; Liu YongSheng
2010
Source PublicationCHINESE SCIENCE BULLETIN
Volume55Issue:15Pages:1535-1546
AbstractA protocol was established for simultaneous measurements of zircon U-Pb ages and trace elements by LA-ICP-MS at spot sizes of 16-32 mu m. This was accomplished by introducing N(2) into ICP to increase the sensitivity. The obtained U-Pb ages for zircon standards GJ-1, TEMORA and SK10-2 are consistent with the preferred values within about 1% uncertainty (2s) by simple external calibration against zircon standard 91500. Different data reduction softwares could yield different uncertainties for calculation of U-Pb ages. The commercially available program GLITTER4.4 could apply an improper uncertainty calculation strategy, but it may yield artificial high precisions for single analyses. Our trace element analyses indicate that Si is not an ideal internal standard for zircon when calibrated against the NIST glasses. Calibration against the NIST glasses using Si as an internal standard, a systematic deviation of 10%-30% was found for most trace elements including Zr. However, the trace element compositions of zircon can be accurately measured by calibration against multiple reference materials with natural compositions ( e. g., BCR-2G, BHVO-2G and BIR-1G), or calibration against NIST SRM 610 and using Zr as an internal standard. Analyses of two pieces of GJ-1 demonstrate that it is relatively homogenous for most trace elements (except for Ti).
KeywordZircon U-Pb age trace element uncertainty LA-ICP-MS
DOI10.1007/s11434-010-3052-4
Language英语
ISSN1001-6538
Indexed BySCI ; ESI高被引论文
WOS IDWOS:000278704100011
WOS SubjectMultidisciplinary Sciences
PublisherSCIENCE PRESS
Publication Place16 DONGHUANGCHENGGEN NORTH ST, BEIJING 100717, PEOPLES R CHINA
Citation statistics
Cited Times:1531[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.cug.edu.cn/handle/2XU834YA/279143
Collection教学院系_环境学院
Corresponding AuthorLiu YongSheng
Affiliation1.China Univ Geosci, Fac Earth Sci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Peoples R China.
2.NW Univ Xian, Dept Geol, State Key Lab Continental Dynam, Xian 710069, Peoples R China.
Recommended Citation
GB/T 7714
Chen HaiHong,Xu Juan,Gao Shan,et al. Reappraisement and refinement of zircon U-Pb isotope and trace element analyses by LA-ICP-MS[J]. CHINESE SCIENCE BULLETIN,2010,55(15):1535-1546.
APA Chen HaiHong.,Xu Juan.,Gao Shan.,Gao ChangGui.,Zong KeQing.,...&Liu YongSheng.(2010).Reappraisement and refinement of zircon U-Pb isotope and trace element analyses by LA-ICP-MS.CHINESE SCIENCE BULLETIN,55(15),1535-1546.
MLA Chen HaiHong,et al."Reappraisement and refinement of zircon U-Pb isotope and trace element analyses by LA-ICP-MS".CHINESE SCIENCE BULLETIN 55.15(2010):1535-1546.
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