Interesting results on the chemical analysis of Martian soil, not to be missed!
Free downloadable full article:
"Spectral, Compositional, and Physical Properties of the Upper Murray Formation and Vera Rubin Ridge, Gale Crater, Mars"
https://agupubs.onlinelibrary.wiley.com/doi/epdf/10.1029/2019JE006290
https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2019JE006290
Physical, spectral, and compositional properties of "Murray" and "Vera Rubin Ridge" in the Martian crater Gale
