Chemistry of Rocks and Soils at Meridiani Planum from the Alpha Particle X-ray Spectrometer

@article{Rieder2004ChemistryOR,
  title={Chemistry of Rocks and Soils at Meridiani Planum from the Alpha Particle X-ray Spectrometer},
  author={R. Rieder and R. Gellert and R. Anderson and J. Br{\"u}ckner and B. Clark and G. Dreibus and T. Economou and G. Klingelh{\"o}fer and G. Lugmair and D. Ming and S. Squyres and C. d'Uston and H. W{\"a}nke and A. Yen and J. Zipfel},
  journal={Science},
  year={2004},
  volume={306},
  pages={1746 - 1749}
}
The Alpha Particle X-ray Spectrometer on the Opportunity rover determined major and minor elements of soils and rocks in Meridiani Planum. Chemical compositions differentiate between basaltic rocks, evaporite-rich rocks, basaltic soils, and hematite-rich soils. Although soils are compositionally similar to those at previous landing sites, differences in iron and some minor element concentrations signify the addition of local components. Rocky outcrops are rich in sulfur and variably enriched in… Expand
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References

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Basaltic rocks analyzed by the Spirit Rover in Gusev Crater.
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