https://www.usgs.gov/publications/contemporaneous-deposition-phyllosilicates-and-sulfates-using-australian-acidic-saline
Contemporaneous deposition of phyllosilicates and sulfates: Using Australian acidic saline lake...
Studies of the origin of the Martian sulfate and phyllosilicate deposits have led to the hypothesis that there was a marked, global-scale change in the Mars...
contemporaneousdeposition