Mars Perseverance Sol 534: SuperCam Camera cyanobacteria?

 cyanobacteria or a similar desert varnish microorganism:

 

Mars Perseverance Sol 534: SuperCam Camera

NASA's Mars Perseverance rover acquired this image using the SuperCam Remote Micro-Imager, located at the top of the rover's mast.

This image was acquired on Aug. 21, 2022 (Sol 534) at the local mean solar time of 16:17:15.

Image Credit: NASA/JPL-Caltech/LANL/CNES/IRAP

Likely: "desert varnish, a dark, shiny coating on rocks in arid locations"

https://www.osti.gov/biblio/1570605 

https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2007JG000677

Mars Perseverance Sol 538: Left Mastcam-Z Camera panorama

 

Mars Perseverance Sol 538: Left Mastcam-Z Camera panorama

NASA's Mars Perseverance rover acquired this image using its Left Mastcam-Z camera. Mastcam-Z is a pair of cameras located high on the rover's mast.

This image was acquired on Aug. 25, 2022 (Sol 538) 

Image Credit: NASA/JPL-Caltech/ASU

created by Barley with Microsoft ICE

Sol 3572: Mast Camera (Mastcam)

 

Sol 3572: Mast Camera (Mastcam)

This image was taken by MAST_LEFT onboard NASA's Mars rover Curiosity on Sol 3572 

Image Credit: NASA/JPL-Caltech/MSSS

created by Barley with Microsoft ICE