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Elemental compositions, 87Sr/86Sr, 143Nd/144Nd, and δD of individual olivine-hosted melt inclusions from Vailulu'u and Malumalu, Samoa

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DataONE2024-08-26 更新2025-04-26 收录
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This data set contains new major (EPMA), trace (LA-ICP-MS), and volatile element (SIMS), and 87Sr/86Sr compositions (TIMS) for Samoan olivine-hosted melt inclusions from two Samoan seamounts, Malumalu and Vailulu'u, as well as host olivine major and minor elemental compositions. There are also a few melt inclusions with 143Nd/144Nd data. Volatiles analyzed are H2O, CO2, F, Cl, and S. Melt inclusions contained vapor bubbles, so the total CO2 concentration of the melt inclusion is calculated by combining the CO2 in the vapor bubble (obtained from Raman spectroscopy) and CO2 concentration in the glassy part of the melt inclusion.

本数据集涵盖采自两座萨摩亚海山(马卢马卢(Malumalu)与瓦伊卢卢(Vailulu'u))的橄榄石宿主熔体包裹体的多组分析数据,包括主量元素组成(电子探针显微分析,EPMA)、微量元素组成(激光剥蚀电感耦合等离子体质谱,LA-ICP-MS)、挥发份元素组成(二次离子质谱,SIMS)以及87Sr/86Sr同位素比值(热电离质谱,TIMS);同时包含寄主橄榄石的主量与次要元素组成数据。另有少量熔体包裹体带有143Nd/144Nd同位素比值数据。本次分析的挥发份组分包括H₂O、CO₂、F、Cl与S。由于熔体包裹体内部含有气相气泡,因此其总CO₂浓度需结合气相气泡中的CO₂含量(由拉曼光谱法测得)与熔体包裹体玻璃质相的CO₂浓度共同计算得到。

创建时间:
2025-03-19
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