俯冲带岩浆弧安山岩的成因研究进展

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俯冲带岩浆弧安山岩的成因研究进展

张晓智(

), 周怀阳(

), 钱生平

Reviews on Genesis of Magmatic Arc Andesite in Subduction Zone

Xiaozhi ZHANG(

), Huaiyang ZHOU(

), Shengping QIAN

图3. 部分典型岩浆弧安山岩的微量元素分配图和Sr-Nd同位素图解
(a)陆弧安山岩和洋弧安山岩的原始地幔标准化微量元素配分曲线(标准化值据参考文献[40]);(b)陆弧安山岩和洋弧安山岩的Sr-Nd同位素图解；所有数据来自GEOROC数据库(http://georoc.mpch-mainz.gwdg.de/georoc/)

Fig.3. Trace element distribution and Sr-Nd isotope compositions diagrams of andesites in several typical magmatic arcs
(a) Primitive normalized trace element patterns for continental arc andesites and oceanic arc andesites (normalization values from reference [40]);(b) The Sr and Nd isotope compositions of continental arc andesites and oceanic arc andesites；All the data from the GEOROC (http://georoc.mpch-mainz.gwdg.de/georoc/)