[Rockhounds] Geological surveys shed light on the formation mystery of Uruguay's amethyst geodes

[Paul]

Geological surveys shed light on the formation mystery of Uruguay’s
amethyst geodes. PhysORg, October 3, 2024
https://phys.org/news/2024-10-geological-surveys-formation-mystery-uruguay.html

The open access paper is:

Arduin-Rode, F., Sosa, G., van den Kerkhof, A., Krüger, Y., Bajnai, D., 
Pack, A., Di Rocco, T., Oyhantçabal, P., Wemmer, K., Herwartz, D. and 
Klipsch, S., 2024. World-class amethyst-agate geodes from Los Catalanes, 
Northern Uruguay: genetic implications from fluid inclusions and stable
isotopes. Mineralium Deposita, pp.1-25.
https://link.springer.com/article/10.1007/s00126-024-01310-2

Yours,

Paul H.