Science Advances

Supplementary Materials

This PDF file includes:

  • Table S1. Isotope data for MORB glass samples.
  • Table S2. Trace element data for MORB glasses in microgram per gram.
  • Table S3. Major element compositions of MORB glasses.
  • Table S4. Barium isotope data for AOC and sediment core tops.
  • Table S5. Partition coefficients used to calculate sediment melting.
  • Table S6. Barium isotope data for international reference materials.
  • Fig. S1. Barium isotopes plotted against Sr isotopes for MORB samples.
  • Fig. S2. Calculated Ba isotope variation in MORB mantle reservoirs generated by hypothetical isotope fractionation during melt depletion.
  • References (5371)

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