[Rockhounds] REcent explanations of the Paleocene-Eocene Thermal Maximum ( PETM )

Paul etchplain at att.net
Sun Jan 15 10:38:23 PST 2023


Orbit of Doom: The Surprising Connection Between Earth’s Orbital
Patterns and an Ancient Warming Event, SciTechDaily, Pennsylvania
State University, January 15, 2023
https://scitechdaily.com/orbit-of-doom-the-surprising-connection-between-earths-orbital-patterns-and-an-ancient-warming-event/

The open access paper is:

Li, M., Bralower, T.J., Kump, L.R., Self-Trail, J.M., Zachos, J.C.,
  Rush, W.D. and Robinson, M.M., 2022. Astrochronology of the
Paleocene-Eocene Thermal Maximum on the Atlantic Coastal
Plain. Nature communications, 13(1), pp.1-13.
https://www.nature.com/articles/s41467-022-33390-x

Another explanation for the PETM is:

New imaging finds trigger for massive global warming 56 million
years ago. 56 million years ago, hot magma scorched the sediments
under the Atlantic seafloor.
Howard Lee, ArsTechnica, January 13, 2023
https://arstechnica.com/science/2023/01/scientists-image-remains-of-volcanic-burst-that-triggered-massive-warming/

The open access publications are:

Jones, S.M., Hoggett, M., Greene, S.E. and Dunkley Jones, T., 2019.
Large Igneous Province thermogenic greenhouse gas flux could have
initiated Paleocene-Eocene Thermal Maximum climate change.
Nature Communications, 10(1), pp.1-16.
https://www.nature.com/articles/s41467-019-12957-1

Knight, H., Jones, S.M., Hopper, J.R., O'Reilly, B.M. and Funck,
  T., 2022. Project PORO-CLIM initial results: Towards a new
oceanic crustal record of magma productivity throughout initiation
of the North Atlantic Igneous Province (No. EGU22-12380). Copernicus 
Meetings.
https://ui.adsabs.harvard.edu/abs/2022EGUGA..2412380K/abstract

Yours,

Paul H.



More information about the Rockhounds mailing list