Supplemental material: Reconstructing Earth's surface oxidation across the Archean-Proterozoic transition Q. Guo et al. 10.1130/2009101 https://gsapubs.figshare.com/articles/journal_contribution/Supplemental_material_Reconstructing_Earth_s_surface_oxidation_across_the_Archean-Proterozoic_transition/12348257 GSA Data Repository Item 2009101, Geology, Vol. 37, p. 399. File size: 42 p., about 1768 KB. 2009-01-01 00:00:00 Geoscience