Linked from
The 12 pages that link to Mantle wedge, each with the reason it gives.
SubductionRelated: The region hydrated and melted by fluids rising from the slab.
Volcanic arcBroader topic: This mantle region melts and feeds many arc volcanoes.
Back-arc basinRelated: Its flow and melting supply magma to many back-arc spreading centers.
Izu–Bonin–Mariana arcRelated: Its melting supplies much of the arc’s magma.
Flux meltingBroader topic: This is the mantle region hydrated and melted above the slab.
BoniniteRelated: Its depleted rocks are the source that melts to produce many boninites.