HIGHLIGHTS
- who: Lei Gao from the LaboratoryChina University have published the research work: Oxidation of Archean upper mantle caused by crustal recycling, in the Journal: NATURE COMMUNICATIONS NATURE COMMUNICATIONS
SUMMARY
Previous investigations of the mantle redox state have focused on the Fe3+/ΣFe content in pristine mantle and mantle-derived rocks1,4,5, the behavior of redox-sensitive elements (e_g, V) in komatiites6, and the V-Sc (Sc is a typical redox-insensitive element) redox proxy in Archean basalts7,8. This change, however, might not reflect the nature of the upper mantle because komatiites . . .
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