Chemical geodynamics of mafic magmatism above subduction zones
Journal of Asian Earth Sciences, pp. 1041852019.
Subduction zoneMafic magmatismGeochemical transferCrustal metasomatismCrustal recyclingMore(1+)
•Mafic magmatism above oceanic and continental subduction zones proceeds in two-stage processes.•Crustal signatures are transferred by liquid phases into the mantle source of mafic igneous rocks.•The fractionation of melt-mobile trace elements is significant at the slab-mantle interface.•Metasomatism is the physicochemical mechanism for t...More
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