Subduction recycling of continental sediments and the origin of geochemically enriched reservoirs in the deep mantle
Isotopic and trace element geochemical studies of ocean island basalts (OIBs) have for many years been used to infer the presence of long-lived (∼ 1-2 Ga old) compositional heterogeneities in the deep mantle related to recycling of crustal lithologies
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|Source:||Earth and Planetary Science Letters|
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