Nature and Composition of the Icy Terrains of the South Pole of Mars from MEX OMEGA Observations

Sylvain Douté (1) , Bernard Schmitt (1) , J.-P. Bibring (2) , Y. Langevin (2) , F. Altieri (3) , G. Bellucci (3) , B. Gondet (2)

1 LPG - Laboratoire de Planétologie de Grenoble
2 IAS - Institut d'astrophysique spatiale
3 IFSI - Istituto di Fisica dello Spazio Interplanetario

From OMEGA observations, we first determine the modes of coexistence between H2O, CO2 ices and dust and then give an estimate of the relatives abundances of the previous compounds at the surface of the South polar region of Mars in late summer.

Sylvain Douté, Bernard Schmitt, J.-P. Bibring, Y. Langevin, F. Altieri, et al.. Nature and Composition of the Icy Terrains of the South Pole of Mars from MEX OMEGA Observations. 36th Lunar and Planetary Science Conference, 2005, Houston, United States. pp. 2. ⟨insu-00356061⟩