| LA-MC-ICP-MS锆石U-Pb定年方法探讨 |
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| 引用本文： | 舒磊,张晨西,李增胜,单伟,熊玉新,周长祥,李敏,王秀凤.LA-MC-ICP-MS锆石U-Pb定年方法探讨[J].山东国土资源,2022,38(1):31-36. |
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| 作者姓名： | 舒磊 张晨西 李增胜 单伟 熊玉新 周长祥 李敏 王秀凤 |
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| 作者单位： | 山东省地质科学研究院,自然资源部金矿成矿过程与资源利用重点实验室,山东省金属矿产成矿地质过程与资源利用重点实验室,山东济南 250013 |
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| 基金项目： | 国家自然科学基金面上项目“胶东金矿垂向迁移—沉淀的精细过程研究——以招远莱州成矿带为例”,编号:4187030119。 |
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| 摘 要： | 将激光剥蚀微量采样技术(LA)与多接收电感耦合等离子体质谱仪(MC-ICP-MS)相结合,非常适合从微观角度研究物质的内在组成及分布特征,近年来在地球科学领域广泛应用.山东省地质科学研究院将Coherent Geo-LasPro 193nm激光剥蚀系统与Thermo Scientific Neptune Plus型多接...
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| 关 键 词： | LA-MC-ICP-MS 锆石 微区原位 U-Pb定年 同位素 |
Study on Zircon U-Pb Dating by Using LA-MC-ICP-MS Method |
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| SHU Lei,ZHANG Chenxi,LI Zengsheng,SHAN Wei,XIONG Yuxin,ZHOU Changxiang,LI Min,WANG Xiufeng.Study on Zircon U-Pb Dating by Using LA-MC-ICP-MS Method[J].Land and Resources in SHANDONG Province,2022,38(1):31-36. |
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| Authors: | SHU Lei ZHANG Chenxi LI Zengsheng SHAN Wei XIONG Yuxin ZHOU Changxiang LI Min WANG Xiufeng |
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| Institution: | (Shandong Institute of Geological Sciences, Key Laboratory of Gold Mineralization Processes and Resources Utilization Subordinated to the Ministry of Natural Resources, Shandong Key Laboratory of Geological Processes and Resource Utilization in Metallic Minerals, Shandong Ji'nan 250013, China) |
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| Abstract: | The combination of laser ablation(LA) and multicollector-inductively coupled plasma-mass spectrometry(MC-ICP-MS) has been widely used in the field of geoscience in recent years. It is very suitable for studying the internal compositions and distributions of minerals in a micro perspective. Coherent GeoLasPro 193 nm LA system and the Thermo Scientific Neptune plus MC-ICP-MS have been combined together by Shandong Institute of Geological Sciences, and the high resolution in situ U-Pb zircon dating method has been established. According to this method, situ U-Pb age determination of zircon standard samples 91500, GJ-1 and plesOvice has been carried out. The experimental results show that the test results of this method are consistent with the recommended value within the error range, which verifies the accuracy, precision and stability of the instrument and the effectiveness of the test method flow system. |
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| Keywords: | LA-MC-ICP-MS zircon microdomain in situ U-Pb dating isotope |
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