Science Advances

Supplementary Materials

This PDF file includes:

  • fig. S1. Map of sediment locations.
  • fig. S2. Sampling bias: Histogram of zircon grain count per sediment from the screened data set (24,377 individual zircon grains from 470 individual sediments).
  • fig. S3. Geographic bias and geographic weights: Map of sediment sample locations for the screened data set with associated geographic resampling weights.
  • fig. S4. Geographic debiasing validation.
  • fig. S5. Resampled εHf using combined weights (red) superimposed on nonresampled εHf (black) from detrital zircons from Cenozoic and Mesozoic sediment data compiled in database S1.
  • fig. S6. Map of sediment sample locations with associated final resampling weights combining geographic and sampling weights.
  • fig. S7. Resampling weights visualization.
  • fig. S8. Sensitivity of the smoothed εHf trend to the uncertainty in U-Pb date.
  • fig. S9. Sensitivity of the smoothed εHf trend to the uncertainty in εHf values.
  • fig. S10. Evolution of the (87Sr/86Sr)seawater ratio in the last 1000 My from the analysis of 87Sr/86Sr ratio of carbonates.
  • fig. S11. Sensitivity of time series analysis to debiasing procedures.
  • fig. S12. Sensitivity of time series analysis to data screening.
  • fig. S13. Sensitivity of time series analysis to N(87Sr/86Sr)seawater curve parameterization by assuming a linear increase in Rb/Sr ratio of the crust in the last 1000 My.
  • fig. S14. Sensitivity of time series analysis to N(87Sr/86Sr)seawater curve parameterization by assuming a linear decrease in Rb/Sr ratio of the crust in the last 1000 My.
  • Legends for database S1 and S2

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Other Supplementary Material for this manuscript includes the following:

  • database S1. Excel data table with worldwide U-Pb and Hf isotopes in detrital zircons compiled from the literature.
  • database S2. Excel data table with 87Sr/86Sr and 143Nd/144Nd ratio data from whole igneous rock and U-Pb and Hf isotope data from their hosted zircons compiled from the literature.

Files in this Data Supplement: