Science Advances

Supplementary Materials

This PDF file includes:

  • Supplementary Text
  • fig. S1. Paleogeographic locations of the sites analyzed in this study during the Cenomanian-Turonian boundary Anoxic Event (OAE-2: ~94 Ma).
  • fig. S2. Geochemical data from interbedded shales of the Furlo section in Central Italy.
  • fig. S3. Tl isotope composition of the authigenic fraction alongside that of the detrital fraction to show similarity.
  • table S1. Tl isotope and concentration data.
  • table S2. Reproducibility of Tl isotope composition with one column versus two columns.
  • table S3. Reproducibility of USGS shale standard SCO-1.
  • References (46–50)

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