Geochemical evidence for a widespread mantle re-enrichment 3.2 billion years ago: implications for global-scale plate tectonics

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Geochemical evidence for a widespread mantle re-enrichment 3.2 billion years ago: implications for global-scale plate tectonics

Progressive mantle melting during the Earth’s earliest evolution led to the formation of a depleted mantle and a continental crust enriched in highly incompatible elements. Re-enrichment of Earth’s mantle can occur when continental crustal materials begin to founder into the mantle by either subduct...

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Bibliographic Details
Main Authors:	Gamal El Dien, Hamed, Doucet, Luc, Murphy, J. Brendan, Li, Zheng-Xiang
Format:	Journal Article
Language:	English
Published:	NATURE PORTFOLIO 2020
Subjects:	Science & Technology Multidisciplinary Sciences Science & Technology - Other Topics BARBERTON GREENSTONE-BELT CONTINENTAL-CRUST ARCHEAN TECTONICS OCEANIC BASALTS HADEAN MANTLE ND EVOLUTION GROWTH SUBDUCTION HF
Online Access:	http://purl.org/au-research/grants/arc/FL150100133 http://hdl.handle.net/20.500.11937/90608

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