[Rockhounds] Molecular fossils reveal Phanerozoic paleoclimate

[Paul]

Fossil algae reveal 500 million years of climate change
November 28, 2018, Royal Netherlands Institute for Sea Research
https://phys.org/news/2018-11-fossil-algae-reveal-million-years.html

The paper is:

Caitlyn R. Witkowski, Johan W. H. Weijers, Brian Blais,
Stefan Schouten, and Jaap S. Sinninghe Damsté. 2018.
Molecular fossils from phytoplankton reveal secular
PCO2 trend over the Phanerozoic Science Advances.
Vol. 4, no. 11, eaat4556
http://advances.sciencemag.org/content/4/11/eaat4556

Yours,

Paul H.