Global influence of mantle temperature and plate thickness on intraplate volcanism

P. W. Ball (), N. J. White (), J. Maclennan and S. N. Stephenson
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P. W. Ball: University of Cambridge
N. J. White: University of Cambridge
J. Maclennan: University of Cambridge
S. N. Stephenson: University of Cambridge

Nature Communications, 2021, vol. 12, issue 1, 1-13

Abstract: Abstract The thermochemical structure of lithospheric and asthenospheric mantle exert primary controls on surface topography and volcanic activity. Volcanic rock compositions and mantle seismic velocities provide indirect observations of this structure. Here, we compile and analyze a global database of the distribution and composition of Neogene-Quaternary intraplate volcanic rocks. By integrating this database with seismic tomographic models, we show that intraplate volcanism is concentrated in regions characterized by slow upper mantle shear-wave velocities and by thin lithosphere (i.e.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-22323-9

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DOI: 10.1038/s41467-021-22323-9

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