Phase transition and thermal equations of state of (Fe,Al)-bridgmanite and post-perovskite: Implication for the chemical heterogeneity at the lowermost mantle

作者: Ningyu Sun , Wei Wei , Shunjie Han , Junhao Song , Xinyang Li

DOI: 10.1016/J.EPSL.2018.03.004

关键词: Post-perovskitePhase transitionOuter corePhase boundaryMantle (geology)GeologyPhase diagramMid-ocean ridgeMineralogySilicate perovskite

摘要: In this study, we have determined the phase boundary between Mg 0.735 Fe 0.21 Al 0.07 Si 0.965 O 3-Bm and PPv and the thermal equations of state of both phases up to 202 GPa and …

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