Table 1.

Table of elemental composition in weight percentage (wt%) of the chosen simulants. The oxides content of the Martian simulants is compared with oxide content taken in specific reference sites on Mars for each simulant.

Oxide (wt%)	Mars average	MGS-1	Mars average	MMS-1	MMS-2
Reference	[1,7]	[8]	[9]	[9]	[9]
SiO2	42.97	43.90	43.52	49.40	43.8
TiO2	1.19	0.46	0.78	1.09	0.83
Al2O3	9.37	12.84	8.64	17.10	13.07
Cr2O3	0.49	–	0.37	0.05	0.04
Fe2O3	19.18	10.60	18.28	10.87	18.37
MnO	0.42	0.11	0.32	0.17	0.13
MgO	8.69	14.81	6.54	6.08	6.66
CaO	7.26	7.91	6.09	10.45	7.98
Na2O	2.70	1.49	2.57	3.28	2.51
K2O	0.49	0.29	0.35	0.48	0.37
P2O5	0.95	0.17	0.79	0.17	0.13
SO3	5.47	–	6.42	0.10	6.11