Mathematics – Logic
Scientific paper
Sep 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993chwe.work....1b&link_type=abstract
In Lunar and Planetary Inst., MSATT Workshop on Chemical Weathering on Mars p 1-2 (SEE N93-31933 12-91)
Mathematics
Logic
2
Iron Oxides, Mars Surface, Mineralogy, Minerals, Planetary Evolution, Planetary Geology, Silicates, Soils, Weathering, Absorption Spectra, Amorphous Materials
Scientific paper
The mineralogical nature of Mars soil is far from being understood, nor are the formation time and weathering processes known. Quantitatively, the two major mineral-forming elements in Mars soil are silicon and iron, constituting 44 and 19 percent of the soils as SiO4 and Fe2O3, respectively. The silicate phases have been studied only briefly, mostly because of their limited spectral fingerprinting in the VIS and NIR. Much attention was given to the iron minerals in the soil, due to their pronounced absorption in the VIS and NIR, making them easily detectable by telescopic observations. The available information on Mars soil mineralogy, mostly obtained by remote sensing, is reviewed, and it is hypothesized that it leads to the suggestion that nanophase short-range-order (amorphous) phases of the silicates and iron oxides abound in the soil.
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