U–Pb zircon geochronology and geochemistry of Late Jurassic basalts in Maevatanana, Madagascar: Implications for the timing of separation of Madagascar from Africa

Xian Yang,Yuchuan Chen,Kejun Hou,Shanbao Liu,Jiajun Liu

Journal of African Earth Sciences（2014）

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摘要

•Madagascar separated from Africa at 149.8±2.1Ma.•Rocks produced by this basaltic magmatism associated with rifting.•Maevatanana basalts have distinct ocean-island-basalt-like geochemical features.•Maevatanana basalts are the product of the Marion mantle plume.

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关键词

U–Pb zircon geochronology,Geochemistry,Late Jurassic basalts,Maevatanana,Madagascar

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