Carbonate formation in Marslike environments

Details Carbonate formation in Marslike environments Carbonate formation in Marslike environments

Apr 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978jgr....83.1809b&link_type=abstract

Journal of Geophysical Research, vol. 83, Apr. 10, 1978, p. 1809-1815.

Physics

20

Carbonates, Environment Simulation, Geochemistry, Mars Environment, Mars Surface, Carbon Dioxide, Illuminating, Photochemical Reactions, Surface Reactions, Water, Weathering, Mars, Environments, Planetary Environments, Carbon Dioxide, Limonite, Ferric Oxides, Carbonates, Weathering

Scientific paper

A finely ground basaltic rock subjected to Marslike temperatures, atmospheric pressures and compositions and UV-rich illumination has provided a simulation system for studying carbonate growth in the Martian regolith. Growth rates of about 10 to the 12th or 13th power molecules per cu cm per sec are observed with or without the presence of liquid-phase water. The role of UV illumination in the photochemistry of water, a process which influences chemical alteration activity, is discussed. The study suggests that carbonate formation is an important aspect of Martian chemical weathering and that it provides a major chemical reservoir for outgassed carbon dioxide.

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