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Early Earth

Primordial light oxygen pockets

Ancient lavas reveal the presence of deep mantle reservoirs with anomalously light oxygen signatures. These lavas fingerprint heterogeneous mantle domains in early Earth that may have since been mixed away.

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Figure 1: The Weltevreden komatiites.


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Correspondence to Marco Fiorentini.

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Fiorentini, M. Primordial light oxygen pockets. Nature Geosci 10, 803–804 (2017).

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