Unraveling the History of Meridiani Planum, Mars: New Chemical Clues from the Rim of Endeavour Crater

1Abigail A. Fraeman
Journal of Geophysical Research, Planets (in Press) Link to Article [DOI: 10.1002/2018JE005535]
1Jet Propulsion Laboratory, California Institute of Technology
Published by arrangement with John Wiley & Sons

Mittlefehldt et al. [2018] synthesize APXS chemical measurements along more than 4.5 km of Endeavour crater’s rim. Their analyses clarify details of Endeavour’s geologic history, including evidence for three to four distinct episodes of aqueous alteration. Fracture driven aqueous systems and Mn mobility are particularly important both here and at Curiosity’s landing site on the opposite side of the planet. The detailed documentation of APXS data products within this paper will be a key reference for researchers who want to perform future work on questions related to Mars aqueous geochemistry, impact processes, and Martian crustal and atmospheric evolution.

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