The greenish spots at the southern bank of Neretva are also astrobiology-interesting. #LeopardSpots #ReddestRock #MalgosaCrest #JezeroDeltaScience

Broz et al: "Green reduction spots in red sedimentary rocks of the Bright Angel formation..."
https://agu.confex.com/agu/agu25/meetingapp.cgi/Paper/1990965

This one looks at the opposite shore of Neretva, where things are complicated by unsure stratigraphy (see post nr 1 in this thread). Also there's a lacking detection of organics. Abiotic processes are deemed "possible"

Broz et al :"Green Reduction Spots in Red Beds of the Bright Angel Formation and Implications for Biosignature Preservation Potential"
https://www.hou.usra.edu/meetings/lpsc2025/pdf/1706.pdf

🧵 8/n #JezeroDeltaScience #LeopardSpots #ReddestRock #MalgosaCrest