[Rockhounds] 100,000 billion metric tons of CO2 choked Earth’s life 252 million years ago

[Paul]

100,000 billion metric tons of CO2 choked Earth’s life 252 million years ago
The Permian-Triassic extinction, also known as the Great Dying, was the 
most devastating event in Earth’s history.
Mrigakshi Dixit, Interesting Engineering, March 11, 2025
https://interestingengineering.com/science/earth-deadliest-mass-extinction-study

 The open access paper is:

Ragon, C., Vérard, C., Kasparian, J., Nowak, H., Kustatscher, E. and Brunetti, 
M., Comparison between plant fossil assemblages across the Permian-Triassic 
Boundary and simulated biomes. Frontiers in Earth Science, 13, p.1520846.

 Another article is:

Plants struggled for millions of years after Earth’s worst climate catastrophe
Marcos Amores and Chris MAys, The Conversation, March 6, 2025
https://theconversation.com/plants-struggled-for-millions-of-years-after-earths-worst-climate-catastrophe-new-study-251324

 The pay-walled paper is:

Amores, M., Frank, T.D., Fielding, C.R., Hren, M.T. and Mays, C., 2025. 
Age-controlled south polar floral trends show a staggered Early Triassic 
gymnosperm recovery following the end-Permian event. Geological 
Society of America Bulletin.

https://pubs.geoscienceworld.org/gsa/gsabulletin/article-abstract/doi/10.1130/B38017.1/652555/Age-controlled-south-polar-floral-trends-show-a

Yours,

Paul H.