Linked from
The 48 pages that link to Subduction zone, each with the reason it gives.
SerpentinizationRelated: Hydrated ultramafic rocks can carry water into subduction systems.
Gravity anomalyRelated: Trenches and dense descending slabs create characteristic gravity signals.
VolcanoRelated: Water released by sinking plates helps generate magma beneath volcanic arcs.
TonaliteRelated: Many tonalites form in magmatic arcs above subducting plates.
GreenschistRelated: Subduction can bury and metamorphose basaltic crust into greenschist.
HeklaRelated: Subduction beneath Iceland contributes to the magma feeding Hekla.