Nature Communications (Nov 2021)

Thermochemical anomalies in the upper mantle control Gakkel Ridge accretion

  • John M. O’Connor,
  • Wilfried Jokat,
  • Peter J. Michael,
  • Mechita C. Schmidt-Aursch,
  • Daniel P. Miggins,
  • Anthony A. P. Koppers

DOI
https://doi.org/10.1038/s41467-021-27058-1
Journal volume & issue
Vol. 12, no. 1
pp. 1 – 12

Abstract

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The ultimate driver of ultraslow spreading ridges is unknown. Here the authors use spreading rates derived directly from isotopic ages of seafloor samples to link magmatic and amagmatic segments with thermochemical variations in the upper mantle.