Fig. 1From: New temperature and oxygen fugacity data of Martian nakhlite from Northwest Africa (NWA) 5790 and implications for shallow sulphur degassinga Hand-traced images of NWA 5790 sample in this study. Augite, Fe–Ti oxides, olivine, and intercumulus phase are shown in black, light grey, middle grey, and dark grey, respectively. b The false-colour Ti element image of representative Fe–Ti oxides in NWA 5790 zoomed from the red rectangle in the image (a)Back to article page