Iron-Rich Diagenetic Features Analysed In the Murray Formation at Gale Crater, Mars, Using Chemcam Onboard the Curiosity Rover

Plenty of dark-toned diagenetic features (nodules, veins, pseudomorphosed crystals) are observed at the Vera Rubin ridge. They are composed of crystalline hematite, related to local mobilization of Fe in late event(s) of groundwater circulation.