2009
DOI: 10.1029/2009je003342
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A synthesis of Martian aqueous mineralogy after 1 Mars year of observations from the Mars Reconnaissance Orbiter

Abstract: Martian aqueous mineral deposits have been examined and characterized using data acquired during Mars Reconnaissance Orbiter's (MRO) primary science phase, including Compact Reconnaissance Imaging Spectrometer for Mars hyperspectral images covering the 0.4–3.9 μm wavelength range, coordinated with higher–spatial resolution HiRISE and Context Imager images. MRO's new high‐resolution measurements, combined with earlier data from Thermal Emission Spectrometer; Thermal Emission Imaging System; and Observatoire pou… Show more

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Cited by 504 publications
(553 citation statements)
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References 117 publications
(284 reference statements)
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“…The widespread distribution of hydrous clay minerals in martian terrains of this age and their subsequent demise provide pivotal supporting evidence (3,4), but the clay mineral-bearing deposits also present a paradox in that carbonate minerals, expected coprecipitates in surficial settings in communication with a CO 2 -bearing atmosphere, are typically absent (5). Atmospheric reconstructions using carbon isotopic measurements and global inventories of martian carbon also indicate 100s mbar CO 2 levels (5,6).…”
mentioning
confidence: 96%
“…The widespread distribution of hydrous clay minerals in martian terrains of this age and their subsequent demise provide pivotal supporting evidence (3,4), but the clay mineral-bearing deposits also present a paradox in that carbonate minerals, expected coprecipitates in surficial settings in communication with a CO 2 -bearing atmosphere, are typically absent (5). Atmospheric reconstructions using carbon isotopic measurements and global inventories of martian carbon also indicate 100s mbar CO 2 levels (5,6).…”
mentioning
confidence: 96%
“…The majority of Martian clay deposits are consistent with Mg/Fe-rich varieties (Murchie et al 2009). Milliken et al (2011) have analysed the diagenesis of clay material in the landing site regions for the MSL rover.…”
Section: Eurogeomars 2009 Campaign: Astrobiology and Habitability Stumentioning
confidence: 81%
“…Results from these missions indicate that Mars had a different climate in the past. On ancient Mars water was persistent in shallow surface bodies, lakes, connected networks and as groundwater near the surface (Malin et al 2003;Knoll & Grotzinger 2006;Murchie et al 2009;Squyres et al 2009). A diverse suite of minerals, including hydrated sulphates, phyllosilicates and silica, produced during aqueous alteration of Martian crustal rocks has been identified both from orbit and from the Martian surface (e.g.…”
Section: Introductionmentioning
confidence: 99%
“…This conclusion is supported by the surface mineralogy. Widespread presence of phyllosilicates in Noachian terrains [29,59] indicates weathering under warm, moist conditions. In contrast, in the Hesperian, erosion rates are extremely low and valley networks are rare.…”
Section: Global Implicationsmentioning
confidence: 99%