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Bishop, J. L., Dobrea, E. Z. N., McKeown, N. K., Parente, M., Ehlmann, B. L., Michalski, J. R., ... & Bibring, J. P. (2008). Phyllosilicate diversity and past aqueous activity revealed at Mawrth Vallis, Mars. Science, 321(5890), 830-833.
Bishop, Janice L., et al. "Phyllosilicate diversity and past aqueous activity revealed at Mawrth Vallis, Mars." Science 321.5890 (2008): 830-833.
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JL Bishop, EZN Dobrea, NK McKeown, M Parente… - Science, 2008 - science.org

Phyllosilicate diversity and past aqueous activity revealed at Mawrth Vallis, Mars.

Geoscience Opportunities for Leadership in Diversity AND Program Evaluation

Bishop, McKeown, Parente

GSID: eYu77MQW1zkJ

Excerpt

Observations by the Mars Reconnaissance Orbiter/Compact Reconnaissance Imaging Spectrometer for Mars in the Mawrth Vallis region show several phyllosilicate species, indicating a wide range of past aqueous activity. Iron/magnesium (Fe/Mg)–smectite is observed in light-toned outcrops that probably formed via aqueous alteration of basalt of the ancient cratered terrain. This unit is overlain by rocks rich in hydrated silica, montmorillonite, and kaolinite that may have formed via subsequent leaching of Fe and Mg through extended …

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