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Accurate U-Pb age and trace element determinations of zircon by laser ablation-inductively coupled plasma-mass spectrometry
Yuan, HL; Gao, S; Liu, XM; Li, HM; Gunther, D; Wu, FY
2004
Source PublicationGEOSTANDARDS AND GEOANALYTICAL RESEARCH
ISSN1639-4488
Volume28Issue:3Pages:353-370
SubtypeArticle
AbstractVarious zircons of Proterozoic to Oligocene ages (1060-31 Ma) were analysed by loser ablation-inductively coupled plasma-mass spectrometry. Calibration was performed using Harvard reference zircon 91500 or Australian National University reference zircon TEMORA 1 as external calibrant. The results agree with those obtained by SIMS within 2s error. Twenty-four trace and rare earth elements (P, Ti, Cr, Y, Nb, fourteen REE, Hf, Ta, Pb, Th and U) were analysed on four fragments of zircon 91500. NIST SRM 610 was used as the reference material and Si-29 was used as internal calibrant. Based on determinations of four fragments, this zircon shows significant intra- and inter-fragment variations in the range from 10% to 85% on a scale of 120 mu m, with the variation of REE concentrations up to 38.7%, although the chondrite-normalised REE distributions are very similar. In contrast, the determined age values for zircon 91500 agree with TIMS data and are homogeneous within 8.7 Ma (2s). A two-stage ablation strategy was developed for optimising U-Pb age determinations with satisfactory trace element and REE results. The first cycle of ablation was used to collect data for age determination only, which was followed by continuous ablation on the same spot to determine REE and trace element concentrations. Based on this procedure, it was possible to measure zircon ages as low as 30.37 +/- 0.39 Ma (MSWD = 1.4; 2s). Other examples for older zircons are also given.
KeywordLA-ICP-MS excimer laser zircon geochronology trace elements
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordICP-MS ; NATURAL ZIRCON ; PLENARY LECTURE ; GEOCHRONOLOGY ; FRACTIONATION ; METAMORPHISM ; PROVENANCE ; DIFFUSION ; PRECISE ; GARNET
Indexed BySCI
Language英语
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000228106400001
PublisherGEOSTANDARDS
Citation statistics
Cited Times:996[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/79301
Collection中国科学院地质与地球物理研究所
Corresponding AuthorYuan, HL
Affiliation1.NW Univ Xian, Dept Geol, Key Lab Continental Dynam, Xian 710069, Peoples R China
2.ETH Honggerberg, Inorgan Chem Lab, CH-8093 Zurich, Switzerland
3.China Univ Geosci, Fac Earth Sci, Wuhan 430074, Peoples R China
4.Chinese Acad Sci, Tianjin Inst Geol & Mineral Resources, Tianjin 300170, Peoples R China
5.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China
Recommended Citation
GB/T 7714
Yuan, HL,Gao, S,Liu, XM,et al. Accurate U-Pb age and trace element determinations of zircon by laser ablation-inductively coupled plasma-mass spectrometry[J]. GEOSTANDARDS AND GEOANALYTICAL RESEARCH,2004,28(3):353-370.
APA Yuan, HL,Gao, S,Liu, XM,Li, HM,Gunther, D,&Wu, FY.(2004).Accurate U-Pb age and trace element determinations of zircon by laser ablation-inductively coupled plasma-mass spectrometry.GEOSTANDARDS AND GEOANALYTICAL RESEARCH,28(3),353-370.
MLA Yuan, HL,et al."Accurate U-Pb age and trace element determinations of zircon by laser ablation-inductively coupled plasma-mass spectrometry".GEOSTANDARDS AND GEOANALYTICAL RESEARCH 28.3(2004):353-370.
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