#Permian marine #MassExtinction linked to #volcanism-induced anoxia https://phys.org/news/2023-12-permian-marine-mass-extinction-linked.html

Coupled #volcanic activity and marine #anoxia in the Upper #Yangtze region prior to the #Capitanian mass #extinction https://www.sciencedirect.com/science/article/abs/pii/S0009254123005399

"The geochemical data and decline in calcareous #algae and fusulinacean #foraminifera... indicates #MarineAnoxia and more pronounced stratification... In such conditions, #OxygenMinimumZones likely developed... that would have inhibited the survival of organisms."