The influence of igneous processes on the chromium isotopic compositions of Ocean Island basalts

P. Bonnand,R. Doucelance,M. Boyet,P. Bachèlery,C. Bosq,D. Auclair,P. Schiano

Earth and Planetary Science Letters（2020）

引用 26|浏览39

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摘要

•Compatible element (Cr and Ni) are mainly controlled by fractional crystallisation.•Cr isotopic fractionation during magmatic differentiation on Earth is small.•Parental melts have Cr isotopic composition lighter than mantle xenoliths.•Low-degree partial melts have lighter Cr isotopic compositions.

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关键词

Cr isotopes,Ocean Island basalts,partial melting,magmatic differentiation,Fangataufa Archipelago

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