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Geochemistry

Dual mantle melt layers

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The trace-element compositions of mantle-derived basalts suggest that the asthenosphere has two distinct melt layers, with unique chemical compositions and physical properties.

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Fig. 1: Dichotomy of the dual melt accumulation layers beneath thick versus thin lithosphere.

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  1. Geosciences Research Division, Scripps Institution of Oceanography, UC San Diego, La Jolla, CA, USA

    Emily J. Chin

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  1. Emily J. Chin
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Correspondence to Emily J. Chin.

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Chin, E.J. Dual mantle melt layers. Nat. Geosci. 17, 372–373 (2024). https://doi.org/10.1038/s41561-024-01439-9

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