[Rockhounds] Oldest known archaea microbes?

[Paul]

3.42-billion-year-old fossil threads may be the oldest
known archaea microbes. The structure and chemistry
of the filaments hints that they may be ancient cells.
By Carolyn Wilke, Science News, July 26, 2021
https://www.sciencenews.org/article/oldest-archaea-microbe-fossil-fillaments-life-evolution

Cavalazzi, B., Lemelle, L., Simionovici, A., Cady, S.L.,
Russell, M.J., Bailo, E., Canteri, R., Enrico, E., Manceau,
A., Maris, A. and Salomé, M., 2021. Cellular remains in
a~ 3.42-billion-year-old subseafloor hydrothermal
environment. Science Advances, 7(29), p.eabf3963.
https://advances.sciencemag.org/content/7/29/eabf3963

Yours,

Paul H.