法国科西嘉岛Balagne和Piedmont浊积岩的碎屑锆石年龄数据集 (始新世中晚期)
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https://escience.org.cn/metadata/detail?cstrId=da0e21dd01bcbea6d33bd0c6ce9c2c33:372e5b0d-5494-4038-a778-e83861745cb4&id=da0e21dd01bcbea6d33bd0c6ce9c2c33:372e5b0d-5494-4038-a778-e83861745cb4
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数据包括法国科西嘉岛Balagne和Piedmont浊积岩的碎屑锆石年龄数据及其Hf同位素。锆石原位 U-Pb同位素和Hf同位素在中国科学院地质与地球物理研究所LA-ICPS实验室开展,使用激光-电感耦合等离子质谱仪(LA-ICPMS)完成。U-Pb同位素定年中采用锆石标准91500作外标进行同位素分馏校正。数据处理采用glitter软件完成,选取谐和度≥90%的样品点进行数据分析,采用density plotter软件绘制年龄分布频谱图并计算加权平均年龄,以及利用excel完成Hf同位素的投图。数据已经发表在Tectonophysics,数据真实可靠。
This dataset contains detrital zircon U-Pb age data and Hf isotopic compositions of turbidites from the Balagne and Piedmont regions, Corsica, France. In-situ U-Pb and Hf isotopic analyses of zircons were conducted at the LA-ICPMS Laboratory of the Institute of Geology and Geophysics, Chinese Academy of Sciences, using laser ablation-inductively coupled plasma mass spectrometry (LA-ICPMS). For U-Pb isotopic dating, the zircon standard 91500 was used as an external standard for isotope fractionation correction. Data processing was performed with the Glitter software, and only analytical spots with a concordance ≥ 90% were selected for data analysis. The density plotter software was used to generate age distribution spectra and calculate weighted mean ages, while Microsoft Excel was employed for plotting Hf isotopic data. This dataset has been published in *Tectonophysics*, and the data are authentic and reliable.
提供机构:
国家青藏高原科学数据中心
创建时间:
2021-06-23



