Mantle plumes are oxidised

• Main Authors: Moussallam, Yves, Longpre, M. A., McCammon, C., Gomez-Ulla, A., Rose-Koga, E. F., Scaillet, B., Peters, N., Gennaro, E., Paris, R., Oppenheimer, C.
• Format: Text
• Language: English
• Published: 2019
• Subjects: oxygen fugacity; degassing; XANES; melt inclusions; mantle plumes; Fogo; Antarc*; Antarctique*; Islande
• Online Access: http://www.documentation.ird.fr/hor/fdi:010077141

From oxic atmosphere to metallic core, the Earth's components are broadly stratified with respect to oxygen fugacity. A simple picture of reducing oxygen fugacity with depth may be disrupted by the accumulation of oxidised crustal material in the deep lower mantle, entrained there as a result o...