Hydrated silicate minerals on Mars observed by the Mars Reconnaissance Orbiter CRISM instrument

  title={Hydrated silicate minerals on Mars observed by the Mars Reconnaissance Orbiter CRISM instrument},
  author={J. Mustard and S. Murchie and S. Pelkey and B. Ehlmann and R. Milliken and J. A. Grant and J. Bibring and F. Poulet and J. Bishop and E. Dobrea and L. Roach and F. Seelos and R. Arvidson and S. Wiseman and R. Green and C. Hash and D. Humm and E. Malaret and J. A. McGovern and K. Seelos and T. Clancy and R. Clark and D. D. Marais and N. Izenberg and A. Knudson and Y. Langevin and T. Martin and P. McGuire and R. Morris and M. Robinson and T. Roush and M. Smith and G. Swayze and H. Taylor and T. Titus and M. Wolff},
Phyllosilicates, a class of hydrous mineral first definitively identified on Mars by the OMEGA (Observatoire pour la Mineralogie, L’Eau, les Glaces et l’Activitié) instrument, preserve a record of the interaction of water with rocks on Mars. Global mapping showed that phyllosilicates are widespread but are apparently restricted to ancient terrains and a relatively narrow range of mineralogy (Fe/Mg and Al smectite clays). This was interpreted to indicate that phyllosilicate formation occurred… Expand
Characterization of hydrated silicate-bearing outcrops in Tyrrhena Terra, Mars: Implications to the alteration history of Mars
Abstract The Tyrrhena Terra region of Mars is studied with the imaging spectrometers OMEGA (Observatoire pour la Mineralogie, l’Eau, les Glaces et l’Activite) onboard Mars Express and CRISM (CompactExpand
Identification of hydrated silicate minerals on Mars using MRO‐CRISM: Geologic context near Nili Fossae and implications for aqueous alteration
The Noachian terrain west of the Isidis basin hosts a diverse collection of alteration minerals in rocks comprising varied geomorphic units within a 100,000 km2 region in and near the Nili Fossae.Expand
Evidence for Low-Grade Metamorphism, Hydrothermal Alteration, and Diagenesis on Mars from Phyllosilicate Mineral Assemblages
The enhanced spatial and spectral resolution provided by the Compact Reconnaissance Imaging Spectrometer for Mars (CRISM) on the Mars Reconnaissance Orbiter (MRO) has led to the discovery of numerousExpand
A synthesis of Martian aqueous mineralogy after 1 Mars year of observations from the Mars Reconnaissance Orbiter
Martian aqueous mineral deposits have been examined and characterized using data acquired during Mars Reconnaissance Orbiter's (MRO) primary science phase, including Compact Reconnaissance ImagingExpand
Hydrous minerals on Mars as seen by the CRISM and OMEGA imaging spectrometers: Updated global view
[1] The surface of Mars has preserved the record of early environments in which its basaltic crust was altered by liquid water. These aqueous environments have survived in the form of hydrologicalExpand
Study of phyllosilicates and carbonates from the Capri Chasma region of Valles Marineris on Mars based on Mars Reconnaissance Orbiter-Compact Reconnaissance Imaging Spectrometer for Mars (MRO-CRISM) observations
Abstract Spectral reflectance data from the MRO-CRISM (Mars Reconnaissance Orbiter-Compact Reconnaissance Imaging Spectrometer for Mars) of Capri Chasma, a large canyon within Valles Marineris onExpand
Glacial paleoenvironments on Mars revealed by the paucity of hydrated silicates in the Noachian crust of the Northern Lowlands
Abstract Hydrated silicates occur widespread in thousands of locations in the Martian Noachian-aged southern highlands. If an ocean existed on the northern lowlands of Mars during the Noachian,Expand
Geology and mineralogy of the Auki Crater, Tyrrhena Terra, Mars: A possible post impact-induced hydrothermal system
Abstract A variety of hydrothermal environments have been documented in terrestrial impact structures. Due to both past water interactions and meteoritic bombardment on the surface of Mars, severalExpand
Geological characteristics of hydrated minerals on Mars from MRO CRISM images
Identification of Martian surface minerals can contribute to understand the Martian environmental change and geological evolution as well as explore the habitability of the Mars. The CompactExpand
The geology and mineralogy of Ritchey crater, Mars: Evidence for post‐Noachian clay formation
Widespread detection of phyllosilicates (clay minerals) in Noachian (>3.5 Ga) terrains on Mars and their paucity in younger terrains have led to the hypothesis that Noachian conditions were moreExpand


Phyllosilicates on Mars and implications for early martian climate
It is inferred that the two main families of hydrated alteration products detected—phyllosilicates and sulphates—result from different formation processes, which occurred during two distinct climatic episodes: an early Noachian Mars, resulting in the formation of Hydrated silicates, followed by a more acidic environment, in which sulphates formed. Expand
Mineralogy of the Nili Fossae region with OMEGA/Mars Express data: 1. Ancient impact melt in the Isidis Basin and implications for the transition from the Noachian to Hesperian
[1] The Nili Fossae region located on the northwestern quadrant of the Isidis Basin, Mars, displays superb exposures of bedrock outcrops that reveal mineralogy and composition of the crust. PreviousExpand
Mineralogy of the Nili Fossae region with OMEGA/Mars Express data: 2. Aqueous alteration of the crust
[1] Nili Fossae is a region with fresh exposures of old material. OMEGA spectral data have revealed a strong diversity of minerals in the Nili Fossae region, including mafic minerals andExpand
Discovery, Mapping and Mineralogy of Phyllosilicates on Mars by MEx-OMEGA: A Reappraisal
Introduction: Near-global mapping by the visible and near-infrared imaging spectrometer on Mars Express has discovered unique deposits of phyllosilicates minerals exposed in numerous scatteredExpand
Global Mineralogical and Aqueous Mars History Derived from OMEGA/Mars Express Data
Global mineralogical mapping of Mars by the Observatoire pour la Mineralogie, l'Eau, les Glaces et l'Activité (OMEGA) instrument on the European Space Agency's Mars Express spacecraft provides newExpand
Evidence for a sedimentary origin of clay minerals in the Mawrth Vallis region, Mars
Clay minerals detected spectroscopically in the Mawrth Vallis region of Mars correspond to a complex, layered, thick (>600 m) stratigraphic section of ancient bedrock. Because the light-toned,Expand
Olivine and Pyroxene Diversity in the Crust of Mars
Olivine- and HCP-rich regions are found in deposits that span the age range of geologic units, however, LCP- rich regions are find only in the ancient Noachian-aged units, which suggests that melts for these deposits were derived from a mantle depleted in aluminum and calcium. Expand
Clay minerals in delta deposits and organic preservation potential on Mars
Clay-rich sedimentary deposits are often sites of organic matter preservation and have therefore been sought in Mars exploration. However, regional deposits of hydrous minerals, includingExpand
Mars Surface Diversity as Revealed by the OMEGA/Mars Express Observations
The OMEGA investigation, on board the European Space Agency Mars Express mission, has identified and mapped mafic iron-bearing silicates of both the northern and southern crust, localized concentrations of hydrated phyllosilicates and sulfates but no carbonates, and ices and frosts with a water-ice composition of the north polar perennial cap. Expand
Introduction: Martian ejecta blankets exhibits single layers and double layer ejecta that are likely the result of emplacement by fluidized processes, either from impact into and vaporization ofExpand