The composition of Mars covers the branch of the geology of Mars that describes the make-up of the planet Mars.
Adirondacksquare
"Hottah" rock outcrop on Mars – ancient streambed viewed by the Curiosity Rover (September 12, 2012, white balanced) (raw, close-up, 3-D version). Abundant iron compounds are responsible for the bright brownish-red colour of the martian soil.
Planet Mars volatile gases (Curiosity rover, October 2012).
The geology of Mars is the scientific study of the surface, crust, and interior of the planet Mars. It emphasizes the composition, structure, history, and physical processes that shape the planet. It
Composition of Mars
…The composition of Mars covers the branch of the geology of Mars that describes the make-up of the planet Mars. Mars is differentiated, which—for a terrestrial planet—implies that it has a central core made up of…
Mars as seen by the Hubble Space Telescope
Viking Orbiter 1 view image of Valles Marineris.
Mars Orbital Laser Altimeter (MOLA) derived image of Planum Boreum. Vertical exaggeration is extreme. Note that residual ice cap is only the thin veneer (shown in white) on top of the plateau.
HiRISE image of simple rayed crater on southeastern flank of Elysium Mons.