Spectral evidence for carbonates on Mars: Hydrous carbonates

Details Spectral evidence for carbonates on Mars: Hydrous carbonates Spectral evidence for carbonates on Mars: Hydrous carbonates

Jun 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991pggp.rept..244c&link_type=abstract

In NASA, Washington, Reports of Planetary Geology and Geophysics Program, 1990 p 244-245 (SEE N92-10728 01-91)

Physics

Geophysics

Carbonates, Emission Spectra, Mars (Planet), Mars Surface, Mineralogy, Planetary Geology, Spectra, Low Temperature, Mars Environment, Stability

Scientific paper

Although many of the spectral features of the Martian samples studied are not unique mineralogical indicators, much of the current spectral data is consistent with (possibly abundant) hydrous carbonates on the surface of Mars. The absorption features in the measured samples were quite weak compared with those of anhydrous carbonates. The weak features imply that significantly more hydrous carbonates can be incorporated onto the surface before becoming spectrally evident; however, exact limits have yet to be determined. The stability of these materials in the Martian environment is not known, but their formation and occurrence in low temperature terrestrial environments makes them appealing candidates for weathering products on Mars.

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