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Early Earth

Archaean drips

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The Archaean Earth was much hotter than today. Numerical modelling shows that the base of thickened crust that formed at the time would have been so dense that it dripped back into the mantle.

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Figure 1: Schematic comparison of Archaean and present-day mechanisms for recycling.

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Correspondence to Claude Herzberg.

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Herzberg, C. Archaean drips. Nature Geosci 7, 7–8 (2014). https://doi.org/10.1038/ngeo2033

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