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Progress in Earth and Planetary Science
Fig. 10 | Progress in Earth and Planetary Science

Fig. 10

From: Subduction initiation from a stagnant lid and global overturn: new insights from numerical models with a free surface

Fig. 10

Global overturn event in 3D fully spherical model. Temporal evolution of an internally and basally heated, global spherical experiment (g l o b a l4) starting from an initial stagnant lid (without initial subduction zone) shown by horizontal slides at 115 km (top subplot) and 786 km (bottom subplot) depth. Anomalously hot (f hot=0.45) regions compared to the horizontal mean temperature that are connected to the CMB are extracted by the plume tracking software and indicated by a red contour. Time snapshots are taken at times t E1 (1.45 Ga), t E2 (4.8 Ga), t E3 (5.29 Ga), t E4 (5.38 Ga), t E5 (5.86 Ga) and t E6 (6.49 Ga)

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