Origin of Permian extremely high Ti/Y mafic lavas and dykes from Western Guangxi, SW China: Implications for the Emeishan mantle plume magmatism

Xijun Liu,Qiongdan Liang,Zhenglin Li,Paterno R. Castillo,Yu Shi,Ji-Feng Xu,Xianglin Huang,Shuai Liao,Wenlong Huang,Weinan Wu

Journal of Asian Earth Sciences（2017）

引用 28|浏览12

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摘要

•Permian extremely high Ti/Y mafic lavas and dykes from Western Guangxi are firstly reported.•Mafic rocks show geochemical affinity with ELIP high-Ti basalts.•They formed at a low-degree of partial melting at or over 3.5Gpa of deep plume region.•They probably represent an ELIP magmatic extension in the periphery of the Emeishan mantle plume.

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关键词

Western Guangxi,Extreme high Ti/Y,Mafic rocks,ELIP,Mantle plume,Geochemistry

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