A 22-million-year-old petrified mangrove forest found in the Panama Canal
by Bob Yirka , PhysOrg
[phys.org]

The paywalled paper is:

Martínez, C., Pérez-Lara, D.K., Avellaneda-Jiménez, D.S., Caballero-Rodríguez,
D., Rodríguez-Reyes, O., Crowley, J.L. and Jaramillo, C., 2023. An early
Miocene (Aquitanian) mangrove fossil forest buried by a volcanic lahar at
Barro Colorado Island, Panama. Palaeogeography, Palaeoclimatology,
Palaeoecology, p.112006.
[www.sciencedirect.com]

Yours,

Paul H.

"The past is never dead. It's not even past."
William Faulkner, Act 1, Scene III, Requiem for a Nun (1951)