Coral-like structures: microbial concretions, fossilized ancient algae, or possibly slow-growth atmospheric concretions
Sol 4813: Mast Camera (Mastcam)
Images taken by MAST_LEFT onboard NASA's Mars rover Curiosity on Sol 4813 (2026-02-19T12:07:57.000Z) to (2026-02-19T12:11:02.000Z)
Credits: NASA/JPL-Caltech/MSSS
Assembled by Barley Culiner with Microsoft ICE
