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Fig. 1 | Progress in Earth and Planetary Science

Fig. 1

From: A coupled core-mantle evolution: review and future prospects

Fig. 1

Schematic illustrations of the interpretations for the onset of the inner core growth used in paleomagnetic data. There are some uncertainties in determining the onset timing of the inner core growth from the paleomagnetic data; this is because it is difficult to determine the timing of the sudden change of the magnetic field intensity that corresponds to the transition of driving mechanisms of the core convection from a purely thermal convection to a combined thermal and chemical convection

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