[Rockhounds] Why Over 80% of All Life on Earth Was Wiped Out 250 Million Years Ago

[Paul]

Here's Why Over 80% of All Life on Earth Was Wiped
Out 250 Million Years Ago. A chain reaction of death.
https://www.sciencealert.com/end-permian-triassic-extinction-event-volcano-eruption-lithospheric-halogens
https://www.sciencedaily.com/releases/2018/08/180827121348.htm
https://phys.org/news/2018-08-geologists-uncover-clues-largest-mass.html
https://www.eurekalert.org/pub_releases/2018-08/uota-gun082418.php

the paper is:

Michael W. Broadley, Peter H. Barry, Chris J. Ballentine,
Lawrence A. Taylor and Ray Burgess, 2018, End-Permian
extinction amplified by plume-induced release of recycled
lithospheric volatiles. Nature Geoscience
https://www.nature.com/articles/s41561-018-0215-4

Yours,

Paul H.