Electron microscope images of sample A0180. (a) A backscattered electron image (BEI) showing a matrix dominated by phyllosilicate with framboidal (fM) and spheroidal (sM) magnetite, dolomite (D), and sulfide (S). Areas containing abundant organic matter (OM) are present. Credit: Meteoritics & Planetary Science (2024). DOI: 10.1111/maps.14288