[Rockhounds] Siderite found on Mars

[Paul]

NASA digs up new clue in search for life on Mars
Mathew Ward Agius, Deusche welle, April 17, 2025
https://www.dw.com/en/nasa-digs-up-new-clue-in-search-for-life-on-mars/a-72262062

Curiosity Finds First In Situ Evidence of Carbon 
Cycle on Ancient Mars, Science Alert, April 18, 2025
https://www.sciencealert.com/curiosity-finds-first-in-situ-evidence-of-carbon-cycle-on-ancient-mars

A paper is:

Tutolo, B.M., Huasrath, EM., and 37 others, 2025, Carbonates 
identiKed by the Curiosity rover indicate a carbon cycle operated 
on ancient Mars. Science, 388, 6744, pp. 292-297.
https://www.science.org/doi/10.1126/science.ado9966

Yours,

Paul H.