Subduction legacies in the mantle transition zone modulate intraplate oceanic volcanism

Liang Zhao
Nature Communications, Published online: 18 May 2026; doi:10.1038/s41467-026-73403-7 Subduction-recycled water trapped in the mantle transition zone can be drawn up by a migrating mid-ocean ridge, triggering deep melting that forms thick oceanic plateau.