Science Advances

Supplementary Materials

This PDF file includes:

  • table S1. Errors and numerical orders.
  • table S2. Physical parameters in working equations (Eqs. 33 to 35 and 41 to 43).
  • fig. S1. Histograms of Nd isotopes in abyssal peridotites, residual abyssal peridotites, and local MORB at individual locations.
  • fig. S2. Lack of correlation between the REE concentration and 143Nd/144Nd of clinopyroxenes in abyssal peridotites.
  • fig. S3. Spatial variations of porosity, residue, and matrix melt velocities in the 1D upwelling melting column.
  • fig. S4. The 176Hf/177Hf of the residue and the erupted melt as a function of the enrichment strength of the heterogeneity (L*EMX).
  • fig. S5. The effect of chemical exchange rate and melt extraction on 143Nd/144Nd of the residue and the erupted melt.
  • fig. S6. The composition of melt collection, residues, pooled melt, and sources in the Hf-Nd isotope correlation diagram.
  • fig. S7. A comparison of the predicted compositions of the residue and erupted melt in a case with Hf offset but without Nd offset.
  • Legend for movie S1
  • References (41–53)

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Other Supplementary Material for this manuscript includes the following:

  • movie S1 (.mp4 format). Spatial and temporal variations of 143Nd/144Nd and 176Hf/177Hf in the melting column.

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