Geochemical components in Martian soil

Details Geochemical components in Martian soil Geochemical components in Martian soil

Oct 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993gecoa..57.4575c&link_type=abstract

Geochimica et Cosmochimica Acta, vol. 57, p. 4575

Computer Science

50

Mars Surface, Planetary Composition, Viking Lander Spacecraft, Chemical Composition, Minerals, Geochemistry, Landing Sites

Scientific paper

Trends in element compositional variation among samples at the Viking lander sites on Mars provide evidence for multiple geochemical components in the soils. A simple two-component model can explain all pair-wise trends of eight elements analyzed. Component A contains Si and most or all the Al, Ca, Ti, and Fe. Component B, which is 16 +/- 3 percent by weight of the total, contains S and most or all the Cl and Mg. These results constrain several models of Martian soil mineralogy but are consistent with a mixture of silicates and salts.

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