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Fluid composition and mineral reactions at Yellowknife Bay, Mars

Bridges, J. C.; Schwenzer, S. P.; Leveille, R.; Westall, F.; Ollila, A.; Wiens, R.; Mangold, N.; Berger, G. and McAdam, A. C. (2014). Fluid composition and mineral reactions at Yellowknife Bay, Mars. In: 45th Lunar and Planetary Science Conference, 17-21 Mar 2014, The Woodlands, TX, USA.

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The Curiosity rover of Mars Science Laboratory (MSL) has identified and analysed, for the first time on Mars, a set of mudstones with nodules and Mg-rich veining, recording a history of deposition within a fluviolacustrine environment followed by low temperature alteration. The composition and mineralogical information preserved in the Gale Crater sediments provide a unique opportunity to determine the evolving composition of the fluid associated with the sediment’s diagenesis and the nature of its interaction with the surrounding rocks. In this study we constrain water/rock ratios, temperature, pH, composition and salinity of the diagenetic fluid. In particular we model the likely alteration of olivine and amorphous, allophanelike material within Sheepbed mudstone to produce the observed phyllosilicates and Fe oxides.

Item Type: Conference or Workshop Item
Copyright Holders: 2014 The Authors
Project Funding Details:
Funded Project NameProject IDFunding Body
Not SetSP-11-134-SKUK Space Agency
Keywords: Mars; Gale Crater; fluid; habitability
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Environment, Earth and Ecosystem Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Research Group: Space
Related URLs:
Item ID: 39392
Depositing User: Susanne Schwenzer
Date Deposited: 05 Feb 2014 11:36
Last Modified: 07 Dec 2018 10:21
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