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 1Yellowstone hotspotBroader topic: Seismic studies test whether Yellowstone’s upwelling extends through this zone.Upper mantleBroader topic: It forms the deepest part of the upper mantle under the stated depth convention.Rheology of the mantleBroader topic: Phase transitions change mineral grain structure and hence how the deep mantle deforms.