Fig. 3: Bulk and in situ Fe isotope data of various lithologies, analyzed in this study, plotted across the studied Francevillian Group’s section.
From: Expansion of the aerobic iron biogeochemical cycle during the Paleoproterozoic Lomagundi event
The shaded gray band represents the boundary of the near-to-zero δ56Fe values of 0 ± 0.5‰.
