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
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: