Thermal Structure from Models of Mantle Convection with Surface Plates, Temperature-dependent and Radially Stratified Viscosity

Shijie Zhong, University of Colorado, Boulder

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This animation shows the evolution of thermal structure within the mantle over a period of about 4 transit times (equivalent to ~200 Ma). The scale of thermal structure is controlled by surface plates. Downwelling sheets and upwellings plumes are the predominant structures. Thermal anomalies below spreading centers only extend to a depth of about 200 km.

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Subject: Geoscience:Geology:Geophysics:Computer Modeling, Geodynamics
Resource Type: Audio/Visual:Animations/Video
Special Interest: Visualization