Abstract
Terrestrial basalt rocks considered to be a good analogues of the Martian regolith were studied by using the Mössbauer spectroscopy and X-ray diffraction. The weathering of basalts was followed by the changes of the Fe2+/Fe3+ ratio. The basalt rock undergoes alteration from primary mineral composition (olivine+pyroxene+plagioclase) through smectite to kaolinite clay with oxides and hydroxides with the increase of the Fe2+/Fe3+ ratio.
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Jackiewicz, E., Lukasiak, M., Kopcewicz, M. et al. Mössbauer study of Martian regolith analogues. Hyperfine Interact 70, 993–996 (1992). https://doi.org/10.1007/BF02397495
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DOI: https://doi.org/10.1007/BF02397495