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LKZ-1: A New Zircon Working Standard for the In Situ Determination of U-Pb Age, O-Hf Isotopes, and Trace Element Composition
Cheong, Albert Chang-sik1; Jeong, Youn-Joong1; Lee, Shinae1; Yi, Keewook1; Jo, Hui Je2; Lee, Ho-Sun3; Park, Changkun4; Kim, Nak Kyu4; Li, Xian-Hua5; Kamo, Sandra L.6
2019-05-01
Source PublicationMINERALS
ISSN2075-163X
Volume9Issue:5Pages:16
AbstractThis study introduces a new zircon reference material, LKZ-1, for the in situ U-Pb dating and O-Hf isotopic and trace element analyses. The secondary ion mass spectrometric analyses for this gem-quality single-crystal zircon yielded a weighted mean Pb-206/U-238 age of 572.6 +/- 2.0 Ma (2 sigma, n = 22, MSWD = 0.90), with moderately high U concentrations (619 +/- 21 ppm, 1 SD), restricted Th/U ratios (0.146 +/- 0.002, 1 SD), and negligible common Pb content (Pb-206(c) < 0.2%). A comparable Pb-206/U-238 age (570.0 +/- 2.5 Ma, 2 sigma) was produced by the isotope dilution-thermal ionization mass spectrometry. The secondary ion mass spectrometric and laser ablation-assisted multiple collector inductively coupled plasma mass spectrometer analyses respectively showed that LKZ-1 had little variation in O (delta O-18(V-SMOW) = 10.65 +/- 0.14 parts per thousand; laser fluorination value = 10.72 +/- 0.02 parts per thousand; 1 SD) and Hf (Hf-176/Hf-177 = 0.281794 +/- 0.000016, 1 SD) isotopic compositions. LKZ-1 was also fairly homogeneous in its chemical composition (RSD of laser ablation ICPMS data <= 10%), displaying a relatively uniform chondrite-normalized rare earth element pattern ((Lu/Gd)(N) = 31 +/- 3, Eu/Eu* = 0.43 +/- 0.17, Ce/Ce* = 44 +/- 32; 1 SD). These consistencies suggest that the LKZ-1 zircon is a suitable working standard for geochronological and geochemical analyses.
Keywordzircon working standard LKZ-1 U-Pb age O isotopes Hf isotopes trace element
DOI10.3390/min9050325
Funding OrganizationKorea Basic Science Institute ; National Research Foundation of Korea - government of Korea's Ministry of Science and ICT ; Korea Basic Science Institute ; National Research Foundation of Korea - government of Korea's Ministry of Science and ICT ; Korea Basic Science Institute ; National Research Foundation of Korea - government of Korea's Ministry of Science and ICT ; Korea Basic Science Institute ; National Research Foundation of Korea - government of Korea's Ministry of Science and ICT
WOS KeywordOXYGEN ISOTOPES ; LU-HF ; GEOCHRONOLOGY ; PRECISION ; HAFNIUM ; SHRIMP ; EVOLUTION ; ACCURACY ; CRUST ; TIMS
Language英语
Funding ProjectKorea Basic Science Institute[C39709] ; National Research Foundation of Korea - government of Korea's Ministry of Science and ICT[2016R1A2B4007283]
Funding OrganizationKorea Basic Science Institute ; National Research Foundation of Korea - government of Korea's Ministry of Science and ICT ; Korea Basic Science Institute ; National Research Foundation of Korea - government of Korea's Ministry of Science and ICT ; Korea Basic Science Institute ; National Research Foundation of Korea - government of Korea's Ministry of Science and ICT ; Korea Basic Science Institute ; National Research Foundation of Korea - government of Korea's Ministry of Science and ICT
WOS Research AreaMineralogy ; Mining & Mineral Processing
WOS SubjectMineralogy ; Mining & Mineral Processing
WOS IDWOS:000477902800072
PublisherMDPI
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/92937
Collection岩石圈演化国家重点实验室
Corresponding AuthorCheong, Albert Chang-sik
Affiliation1.Korea Basic Sci Inst, Cheongju 28119, South Korea
2.Korea Inst Geosci & Mineral Resources, Daejeon 34132, South Korea
3.Pusan Natl Univ, Core Res Facil, Busan 46241, South Korea
4.Korea Polar Res Inst, Incheon 21990, South Korea
5.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100027, Peoples R China
6.Univ Toronto, Jack Satterly Geochronol Lab, Toronto, ON M5S 3B1, Canada
Recommended Citation
GB/T 7714
Cheong, Albert Chang-sik,Jeong, Youn-Joong,Lee, Shinae,et al. LKZ-1: A New Zircon Working Standard for the In Situ Determination of U-Pb Age, O-Hf Isotopes, and Trace Element Composition[J]. MINERALS,2019,9(5):16.
APA Cheong, Albert Chang-sik.,Jeong, Youn-Joong.,Lee, Shinae.,Yi, Keewook.,Jo, Hui Je.,...&Kamo, Sandra L..(2019).LKZ-1: A New Zircon Working Standard for the In Situ Determination of U-Pb Age, O-Hf Isotopes, and Trace Element Composition.MINERALS,9(5),16.
MLA Cheong, Albert Chang-sik,et al."LKZ-1: A New Zircon Working Standard for the In Situ Determination of U-Pb Age, O-Hf Isotopes, and Trace Element Composition".MINERALS 9.5(2019):16.
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