It is more or less like the constituents of the Earth soil









The most available substances of Mars soil are
Aluminium oxide
Magnesium oxide
Calcium oxide
Sulfur oxide
Silicon oxide
Nickle
Sodium oxide
Zinc
Iron oxide




The following are some of the Earth soil constituents

Element (Soils(mg/kg
Median
O 490,000
Si 330,000
Al 71,000
Fe 40,000
C 20,000
Ca 15,000
Mg 5,000
K 14,000
Na 5,000
Mn 1,000
Zn 90
Mo 1.2
Ni 50
Cu 30
N 2,000
P 800
S 700