In the Earth's history, the timing of oceanic large-scale events of oxygen depletion remains poorly understood. Here, the authors show that palaeogeography was a major preconditioning factor during the Cretaceous, implying that thresholds to shift toward a global anoxia are likely to be much higher at present.
- Yannick Donnadieu
- Emmanuelle Pucéat
- Jean- François Deconinck