Nature - Anoxic chemical #weathering under a reducing #greenhouse on early #Mars, by J. Liu, J. R. Michalski, W. Tan, H. He, B. Ye, and L. Xiao:
[scitechdaily.com]mars-underwent-a-great-oxygenation-event-billions-of-years-ago/
#GreatOxidationEvent #GOE #Geology #Mineralogy #Spectroscopy #Rocks #RedPlanet #PlanetaryScience #Astronomy