KnowraMantle transition zoneLinked fromLinked fromThe 7 pages that link to Mantle transition zone, each with the reason it gives.All 7Broader topic 3Related 3Compared with 1Mantle plumeRelated: A possible ponding level where plumes slow or stall during their rise.Deep-focus earthquakeRelated: Many deep earthquakes occur near this zone, where pressure-driven transformations are possible.Whole-mantle convectionRelated: Its phase changes can resist or assist flow between upper and lower mantle.