Mass extinction likely caused by lethal temperatures due to volcanic CO2 venting
Volcanic CO2 may have triggered the Permian extinction 252 million years ago. An intense and rapid increase in CO2 may affected the climate and consequently also the ecosystems. Carbon isotopes measured on fossil marine algae- and plant fossils from Finnmark have provided with important information in a new study.
Study geosciences; geology, geography and geophysics at the University of Oslo, Norway.