Shifts in magnetic mineral assemblages support ocean deoxygenation before the end-Permian mass extinction
Windshield Header Abstract Expansion of oceanic anoxia is a prevailing hypothesis for driving the marine end-Permian mass extinction and is mainly based on isotopic geochemical proxies.However, long-term oceanic redox conditions before the end-Permian mass extinction remain unresolved.Here we report a secular redox trend based on rock magnetic expe