S in trace-metal–poor, early diagenetic pyrite and the unusually enriched organic carbon at low sedimentation rates instead suggest that environmental oxygen levels were negligible ∼150 million years before the GOE.
No takes yet. Share an insight, caveat, or question.
Slotznick et al. (2022) studied this question.
Synapse has enriched 4 closely related papers on similar clinical questions. Consider them for comparative context: