Slab

Simplified model of the Earth’s interior and its global dynamics featuring a solid inner and a fluid outer core, a viscous partially molten but not fluid mantle, and characteristic surface topography.

Earth interior model

Simplified model of the Earth’s interior and its global dynamics featuring a solid inner and a fluid outer core, a viscous partially molten but not fluid mantle, and characteristic surface topography.

Comparison of suggested mantle convection in the Earth (mobile-lid mode) and Venus (inefficient short slab mode).

Planetary interior

Comparison of suggested mantle convection in the Earth (mobile-lid mode) and Venus (inefficient short slab mode).

Illustration of constraints on subduction zone seismic anisotropy from a global compilation of shear-wave splitting measurements.

Subduction seismic anisotropy

Illustration of constraints on subduction zone seismic anisotropy from a global compilation of shear-wave splitting measurements.

Time-evolution of subduction slab break-off shown in a global spherical 3-D model.

Slab tearing

Time-evolution of subduction slab break-off shown in a global spherical 3-D model.

Cross-section through the Earth showing mantle convection above the Earth's inner and outer core.

Mantle convection

Illustrative vertical cross-section showing the oceanic plate as part of whole-mantle convection.

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