Other
Scientific paper
Jan 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999misp.conf..101t&link_type=abstract
Workshop on Mars 2001: Integrated Science in Preparation for Sample Return and Human Exploration, p. 101
Other
Mars Surface, Minerals, Planetary Geology, Mars Environment, Inorganic Compounds, Carbonates, Halites, Sulfates, Geochemistry, Regolith, Spectroscopy, Mineralogy, Mars Surveyor 2001 Mission
Scientific paper
The martian regolith is rich in ionic salts, which affect its chemical and physical properties, and will affect its resource potential and toxicity. Sulphate, halide, and carbonate salts are expected from theory, chemical analyses, and martian meteorites. A new inference here is that chromate salts may be present and abundant in the regolith. The origin of these salts is not known; they have been ascribed to hydrothermal action, meteoritic contributions, and volcanic aerosols/gases. Low temperature alteration (diagenesis) is a potentially important contributor to regolith salts. Ionic salt minerals in the martian regolith are important tracers of global and local chemical processes on Mars, appear to be important in setting the physical properties (i.e. trafficability) of the martian surface, will likely be important resources for human exploitation, and could possibly present hazards to human health. MECA and other instruments on the MARS 2001 lander are designed to investigate the regolith, so it is appropriate to examine the current knowledge of likely salt mineral in the martian regolith.
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