Slab rollback
= Slab rollback
Migration of a <subduction trench> relative to the surrounding <mantle> as a <slab> retreats; the associated <mantle flow> can advect thermal anomalies.
= Slab rollback
Migration of a <subduction trench> relative to the surrounding <mantle> as a <slab> retreats; the associated <mantle flow> can advect thermal anomalies.