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Zircon M127-A Homogeneous Reference Material for SIMS U-Pb Geochronology Combined with Hafnium, Oxygen and, Potentially, Lithium Isotope Analysis

文献类型：期刊论文

作者Nasdala, Lutz1; Corfu, Fernando2; Valley, John W.3; Spicuzza, Michael J.3; Wu, Fu-Yuan4; Li, Qiu-Li4; Yang, Yue-Heng4; Fisher, Chris5; Muenker, Carsten6; Kennedy, Allen K.7
刊名GEOSTANDARDS AND GEOANALYTICAL RESEARCH
出版日期2016-12-01
卷号40期号:4页码:457-475
关键词zircon reference material SIMS U-Pb geochronology oxygen isotopes hafnium isotopes lithium isotopes
DOI10.1111/ggr.12123
文献子类Article
英文摘要In this article, we document a detailed analytical characterisation of zircon M127, a homogeneous 12.7 carat gemstone from Ratnapura, Sri Lanka. Zircon M127 has TIMS-determined mean U-Pb radiogenic isotopic ratios of 0.084743 +/- 0.000027 for Pb-206/U-238 and 0.67676 +/- 0.00023 for Pb-207/U-235 (weighted means, 2s uncertainties). Its Pb-206/U-238 age of 524.36 +/- 0.16 Ma (95% confidence uncertainty) is concordant within the uncertainties of decay constants. The delta O-18 value (determined by laser fluorination) is 8.26 +/- 0.06 parts per thousand VSMOW (2s), and the mean Hf-176/Hf-177 ratio (determined by solution ICP-MS) is 0.282396 +/- 0.000004 (2s). The SIMS-determined delta Li-7 value is -0.6 +/- 0.9 parts per thousand (2s), with a mean mass fraction of 1.0 +/- 0.1 mu g g(-1) Li (2s). Zircon M127 contains similar to 923 mu g g(-1) U. The moderate degree of radiation damage corresponds well with the time-integrated self-irradiation dose of 1.82 x 10(18) alpha events per gram. This observation, and the (U-Th)/He age of 426 +/- 7 Ma (2s), which is typical of unheated Sri Lankan zircon, enable us to exclude any thermal treatment. Zircon M127 is proposed as a reference material for the determination of zircon U-Pb ages by means of SIMS in combination with hafnium and stable isotope (oxygen and potentially also lithium) determination.
WOS关键词RARE-EARTH-ELEMENTS ; RADIATION-DAMAGE ; NATURAL ZIRCON ; ION MICROPROBE ; SRI-LANKA ; HIGH-PRECISION ; LU-HF ; ORIGIN ; TIMS ; METAMICTIZATION
WOS研究方向Geochemistry & Geophysics
语种英语
WOS记录号WOS:000388469700002
资助机构Faculty of Geosciences, Geography and Astronomy, University of Vienna ; Faculty of Geosciences, Geography and Astronomy, University of Vienna ; Beijing SHRIMP Centre, Chinese Academy of Geological Sciences ; Beijing SHRIMP Centre, Chinese Academy of Geological Sciences ; European Commission(MEXC-CT-2005-024878) ; European Commission(MEXC-CT-2005-024878) ; FWF Austrian Science Fund(P20028-N10 ; FWF Austrian Science Fund(P20028-N10 ; U.S. National Science Foundation(EAR 1524336) ; U.S. National Science Foundation(EAR 1524336) ; P24448-N19) ; P24448-N19) ; Faculty of Geosciences, Geography and Astronomy, University of Vienna ; Faculty of Geosciences, Geography and Astronomy, University of Vienna ; Beijing SHRIMP Centre, Chinese Academy of Geological Sciences ; Beijing SHRIMP Centre, Chinese Academy of Geological Sciences ; European Commission(MEXC-CT-2005-024878) ; European Commission(MEXC-CT-2005-024878) ; FWF Austrian Science Fund(P20028-N10 ; FWF Austrian Science Fund(P20028-N10 ; U.S. National Science Foundation(EAR 1524336) ; U.S. National Science Foundation(EAR 1524336) ; P24448-N19) ; P24448-N19)
源URL[http://ir.iggcas.ac.cn/handle/132A11/53234]  
专题地质与地球物理研究所_岩石圈演化国家重点实验室
作者单位1.Univ Vienna, Inst Mineral & Kristallog, A-1090 Vienna, Austria
2.Univ Oslo, Dept Geosci, N-0316 Oslo, Norway
3.Univ Wisconsin, Dept Geosci, Madison, WI 53706 USA
4.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China
5.Washington State Univ, Sch Environm, Pullman, WA 99164 USA
6.Univ Cologne, Inst Geol & Mineral, D-50939 Cologne, Germany
7.Curtin Univ Technol, Dept Imaging & Appl Phys, Bentley, WA 6102, Australia
8.Univ Arizona, Dept Geosci, Tucson, AZ 85721 USA
9.Georg August Univ Gottingen, Geowissenschaftliches Zentrum, D-37077 Gottingen, Germany
10.Deutsch GeoForschungsZentrum, Helmholtz Zentrum Potsdam, D-14473 Potsdam, Germany
推荐引用方式
GB/T 7714		 Nasdala, Lutz,Corfu, Fernando,Valley, John W.,et al. Zircon M127-A Homogeneous Reference Material for SIMS U-Pb Geochronology Combined with Hafnium, Oxygen and, Potentially, Lithium Isotope Analysis[J]. GEOSTANDARDS AND GEOANALYTICAL RESEARCH,2016,40(4):457-475.
APA Nasdala, Lutz.,Corfu, Fernando.,Valley, John W..,Spicuzza, Michael J..,Wu, Fu-Yuan.,...&Hofmeister, Wolfgang.(2016).Zircon M127-A Homogeneous Reference Material for SIMS U-Pb Geochronology Combined with Hafnium, Oxygen and, Potentially, Lithium Isotope Analysis.GEOSTANDARDS AND GEOANALYTICAL RESEARCH,40(4),457-475.
MLA Nasdala, Lutz,et al."Zircon M127-A Homogeneous Reference Material for SIMS U-Pb Geochronology Combined with Hafnium, Oxygen and, Potentially, Lithium Isotope Analysis".GEOSTANDARDS AND GEOANALYTICAL RESEARCH 40.4(2016):457-475.

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来源：地质与地球物理研究所

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