Simultaneous in-situ determination of U-Pb age and trace elements in zircon by LA-ICP-MS in 20 μm spot sizeEnglish Full Text
LIU XiaoMing1,2,GAO Shan1,2,DIWU ChunRong2,YUAN HongLin2 ＆ HU ZhaoChu2 1 National Key Laboratory of Geological Processes and Mineral Resources,Faculty of Earth Sciences,China University of Geo-sciences,Wuhan 430074,China;2 National Key Laboratory of Continental Dynamics,Department of Geology,Northwest University,Xi’an 710069,China
Abstract: Simultaneous in-situ determination of U-Pb ages and 20 trace elements of three international zircon standards（91500,GJ1 and TEMORA 1） and one laboratory zircon standard（SK10-2） separated from Cenozoic fine-grained gabbro was carried out on quadrupole ICP-MS equipped with 193 nm excimer laser in 20 μm spot size. The weighted mean 206Pb/238U ages of 91500,GJ1 and TEMORA 1 are 1064.4±4.8 Ma（2σ ）,603.2±2.4 Ma（2σ ） and 418.2±2.4 Ma（2σ ）,respectively. The relative standard de-viations（RSDs） of 206Pb/2... More
- Series：
(A) Mathematics/ Physics/ Mechanics/ Astronomy
- Subject：
Geology
- Classification Code：
P597.3
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