• 本文总结太行山地区中生代辉长岩新生代玄武岩元素同位素组成组成显示它们的地幔源区存在明显的差别

    A summary of elemental and isotopic compositions of the Mesozoic gabbros and Cenozoic basalts from the Taihang Mountains shows a remarkable difference in their mantle sources.

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  • 溢流玄武岩同位素体系特征表明它们的源区涉及循环地幔的壳混合岩石圈减压熔融、上—下地幔过渡带和似原始-略亏损的下地幔

    Isotopic systematics of flood basalts indicate that their sources are involved in crust-mantle mixing in a recycled mantle, decompression melting of lithosphere.

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  • 微量元素同位素地球比学资料表明黄椅山玄武岩地幔源区的同位素组成与原始地幔近似

    All of the rare element and isotope characteristics of the Huangyishan basalts are similar to that of the original mantle of the Earth.

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  • 相对于碱性橄榄玄武岩,白榴石碱玄岩来自更加富集地幔源区,其地幔部分熔融程度相对较低

    Leucite tephrite was derived from the more enriched mantle source with lower degree of partial melting of mantle source than alkaline olivine basalt.

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  • 微量元素同位素特征显示,玄武岩起源于与洋岛玄武岩源区相似富集地幔

    According to the characteristics of trace elements and isotope, the source of the basalt is similar to the OIB source.

    youdao

  • 微量元素同位素特征显示,玄武岩起源于与洋岛玄武岩源区相似富集地幔

    According to the characteristics of trace elements and isotope, the source of the basalt is similar to the OIB source.

    youdao

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