The return of stagnant slab recorded by intraplate volcanism

Subducted plates often stagnate in the mantle transition zone (MTZ), and the fate of the stagnant slabs is still debatable. They may sink into the lower mantle, or remain partially trapped in the MTZ, but it is uncertain whether they can return to the upper mantle. We report geochemical evidence of...

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Veröffentlicht in:	Proceedings of the National Academy of Sciences - PNAS 2025-01, Vol.122 (1), p.e2414632122
Hauptverfasser:	Zhou, Zhong-Biao, Chen, Li-Hui, Huang, Zhou-Chuan, Hofmann, Albrecht W, Wang, Xiao-Jun, Zeng, Gang, Bi, Ya-Jing, Zhao, Jian
Format:	Artikel
Sprache:	eng
Schlagworte:	Aluminum oxide Anisotropy Basalt Delay time Gadolinium Lower mantle Miocene Oceanic crust Slabs Subduction (geology) Tearing Transition zone Upper mantle Upwelling Volcanic activity
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