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-Fundamental molecular vibration modes of an idealized molecule. Theorized vibrational activity in Raman or IR spectroscopy is indicated.

-Fundamental molecular vibration modes of an idealized molecule. Theorized vibrational activity in Raman or IR spectroscopy is indicated.

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Alteration minerals are key objects to understand the geological history of the planetary bodies' surfaces. In this work, I studied the near-infrared spectroscopic properties of opaline silica (e.g. opal) and kaolinite in order to constrain the surface paleoclimatic conditions at the surface of Mars during the past. A preliminary geomorphologic stu...