 | Farrand, William H., Johnson, Jeffrey R., Rice, Melissa S., Wang, Alian, Bell, James F. (2016) VNIR multispectral observations of aqueous alteration materials by the Pancams on the Spirit and Opportunity Mars Exploration Rovers. American Mineralogist, 101 (9) 2005-2019 doi:10.2138/am-2016-5627 | Journal (article/letter/editorial) | | materials by the Pancams on the Spirit and Opportunity Mars Exploration Rovers William H. Farrand1,*, Jeffrey...visible and near infrared (VNIR) observations from the Mars Exploration Rover Pancam multispectral stereo camera...hematite in the Burns and Grasberg formations of Meridiani Planum have been well characterized by Opportunity...934–1009 nm slopes. On the rim of Noachian-aged Endeavour crater, Opportunity has observed light-toned veins...composed of gypsum. Rocks overturned by Opportunity on the Murray Ridge portion of the Endeavour crater rim display |  | | Journal (article/letter/editorial) | | water alteration of soil and landscapes at Meridiani Planum, Mars Ronald Amundson Department of Environmental...2018 Editor: W.B. McKinnon Keywords: Mars soils Meridiani Planum a b s t r a c t The geomorphology and...Opportunity at Meridiani Planum is a rich data set relevant to soil research on Mars. Many of the data...particularly with respect to outcrops at Victoria Crater, have been only partially analyzed. Here, the previously...geochemical profile of Endurance Crater is compared to that of Victoria Crater, to understand aspects of the |  | Singh, Mahima, Rajesh, V.J., Kannan, Bharathi, Bhattacharya, Satadru (2018) Spectral and chemical characterization of gypsum-phyllosilicate association in Tiruchirapalli, South India, and its implications. Geological Journal, 53 (5) 1685-1697 doi:10.1002/gj.2990 | Journal (article/letter/editorial) | | ARTICLE Spectral and chemical characterization of gypsum‐phyllosilicate association in Tiruchirapalli, South...detailed chemical and spectral characteristics of gypsum‐phyllosilicate association of Karai Shale Formation...Tiruchirapalli area, Tamil Nadu in South India. Gypsum is fibrous to crystalline and translucent/transparent...mineral phases. VNIR spectroscopic analysis of the gypsum samples has shown absorption features at 560, 650...494.38 cm−1 for gypsum due to sulphate and hydroxyl ion vibrations. We propose that gypsum veins in Karai |  | | Journal (article/letter/editorial) | | implications for hydrological transport on early Mars Anna Szynkiewicz a,∗ , Fraser Goff b , Anthony M...and transport of aqueous sulfate (SO24− ) on early Mars. Previous geochemical models mainly focused on volcanic...have been an important source of aqueous SO24− on Mars. Therefore, we selected the watershed of Valles...Keywords: sulfate volcanic aqueous budget Earth Mars seasons. In the dry seasons of Nov 2012 and May...geochemical source-to-sink models of sulfur cycles on Mars, particularly when assuming prevailing dry surface |  | Arvidson, Raymond E., Squyres, Steven W., Morris, Richard V., Knoll, Andrew H., Gellert, Ralf, Clark, Benton C., Catalano, Jeffrey G., Jolliff, Brad L., McLennan, Scott M., Herkenhoff, Kenneth E., VanBommel, Scott, Mittlefehldt, David W., Grotzinger, John P., Guinness, Edward A., Johnson, Jeffrey R., Bell, James F., Farrand, William H., Stein, Nathan, Fox, Valerie K., Golombek, Matthew P., Hinkle, Margaret A.G., Calvin, Wendy M., de Souza, Paulo A. (2016) High concentrations of manganese and sulfur in deposits on Murray Ridge, Endeavour Crater, Mars. American Mineralogist, 101 (6) 1389-1405 doi:10.2138/am-2016-5599 | Journal (article/letter/editorial) | | manganese and sulfur in deposits on Murray Ridge, Endeavour Crater, Marsk Raymond E. Arvidson1,*, Steven W. Squyres2...Flagship, Hobart, Tasmania 7004, Australia 1 Abstract Mars Reconnaissance Orbiter HiRISE images and Opportunity...observations of the ~22 km wide Noachian age Endeavour Crater on Mars show that the rim and surrounding terrains...terrains were densely fractured during the impact crater-forming event. Fractures have also propagated upward...Opportunity’s observations show that the western crater rim segment, called Murray Ridge, is composed of |  | Clark, Benton C., Morris, Richard V., Herkenhoff, Kenneth E., Farrand, William H., Gellert, Ralf, Jolliff, Bradley L., Arvidson, Raymond E., Squyres, Steven W., Mittelfehldt, David W., Ming, Douglas W., Yen, Albert S. (2016) Esperance: Multiple episodes of aqueous alteration involving fracture fills and coatings at Matijevic Hill, Mars. American Mineralogist, 101 (7) 1515-1526 doi:10.2138/am-2016-5575 | Journal (article/letter/editorial) | | involving fracture fills and coatings at Matijevic Hill, Mars Benton C. Clark1,*, Richard V. Morris2, Kenneth...search for evidence of past aqueous activity by the Mars Exploration Rover Opportunity, fracture-filling...segment of remaining rim material surrounding Endeavour Crater, a set of “boxwork” fractures in an outcrop...coating compositions is unlike previous analyses on Mars. Both materials are heterogeneously eroded, presumably...for preservation of organic material. Keywords: Mars, aqueous, water, geochemistry, vein, coating, montmorillonite |  | Ramkissoon, Nisha K., Pearson, Victoria K., Schwenzer, Susanne P., Schröder, Christian, Kirnbauer, Thomas, Wood, Deborah, Seidel, Robert G.W., Miller, Michael A., Olsson-Francis, Karen (2019) New simulants for martian regolith: Controlling iron variability. Planetary and Space Science, 179. 104722 doi:10.1016/j.pss.2019.104722 | Journal (article/letter/editorial) | | L E I N F O A B S T R A C T Keywords: Simulant Mars Regolith Iron Habitability Simulation Existing...regolith, a haematite-rich regolith and a contemporary Mars regolith. Simulants have been developed so that...have Fe2þ/Fe3þ ratios comparable to those found on Mars. Here we outline the design, production and characterisation...missions to Mars, such as Mars 2020 and the ExoMars rover. In addition, missions to Mars also have astrobiological...Unfortunately, the surface conditions on present-day Mars, and through most of its history, are considered |  | Yant*, Marcella, Young, Kelsey E., Rogers, A. Deanne, McAdam, Amy C., Bleacher, Jacob E., Bishop, Janice L., Mertzman, Stanley A. (2018) Visible, near-infrared, and mid-infrared spectral characterization of Hawaiian fumarolic alteration near Kilauea's December 1974 flow: Implications for spectral discrimination of alteration environments on Mars. American Mineralogist, 103 (1) 11-25 doi:10.2138/am-2018-6116 | Journal (article/letter/editorial) | | spectral discrimination of alteration environments on Mars Marcella Yant1,*,†, Kelsey E. Young2, A. Deanne...Kilauea Volcano, Hawaii, has been established as a Mars analog due to its physical, chemical, and morphological...alteration assemblages observed from this study on Mars would suggest a region that could have hosted a...habitable environment. Keywords: Glass, infrared, Mars, Hawaii; Earth Analogs for Martian Geological Materials...2138/am-2018-6116 detection of fumarolic environments on Mars would suggest a region that could have hosted a |  | | Journal (article/letter/editorial) | | Planetary Sciences is online at earth.annualreviews.org Mars, composition, infrared spectroscopy, igneous processes...understanding of the composition and history of Mars. Globally, Mars has a basaltic upper crust with regionally...in igneous processes. Many materials from ancient Mars bear the mineralogic fingerprints of interaction...personal use only. A record of the evolution of Mars is preserved in the rocks and sediments exposed...measurements by rovers and landers. The composition of Mars is revealed through infrared spectroscopic instruments |  | Schwenzer, S. P., Bridges, J. C., Wiens, R. C., Conrad, P. G., Kelley, S. P., Leveille, R., Mangold, N., Martín-Torres, J., McAdam, A., Newsom, H., Zorzano, M. P., Rapin, W., Spray, J., Treiman, A. H., Westall, F., Fairén, A. G., Meslin, P.-Y. (2016) Fluids during diagenesis and sulfate vein formation in sediments at Gale crater, Mars. Meteoritics & Planetary Science, 51 (11) 2175-2202 doi:10.1111/maps.12668 | Journal (article/letter/editorial) | | sulfate vein formation in sediments at Gale crater, Mars S. P. SCHWENZER1,2,*, J. C. BRIDGES3, R. C....of Yellowknife Bay (YKB), Gale crater, Mars, as revealed by the Mars Science Laboratory Curiosity rover...rover investigations. We compare the Gale crater waters with fluids modeled for shergottites, nakhlites...meteorite ALH 84001, as well as rocks analyzed by the Mars Exploration rovers, and with terrestrial ground...groundwaters such as the Deccan Traps and other modeled Mars fluids; and had near neutral to alkaline pH. Ca |  | | Journal (article/letter/editorial) | | hydrated sulfates in the southern high latitudes of Mars Sheridan E. Ackiss a,b,⇑, J.J. Wray c a School...August 2014 Available online 20 August 2014 Keywords: Mars, surface Spectroscopy Geological processes Terrestrial...the history of water and habitable environments on Mars, yet prior studies of them have neglected a vast...process thought to explain the sulfates found near Mars’ north pole. To test these hypotheses, we searched...Reconnaissance Imaging Spectrometer for Mars (CRISM) on the Mars Reconnaissance Orbiter (MRO), focusing |  | | Journal (article/letter/editorial) | | for the aqueous history of southwest Melas Chasma, Mars as revealed by interbedded hydrated sulfate and...2016 Available online 15 February 2016 Keyword: Mars Surface Infrared observations Mineralogy a b s...Compact Reconnaissance Imaging Spectrometer for Mars (CRISM), we identified a sequence of hydrated sulfates...orbital visible-near infrared spectroscopy of Mars by Mars Express Observatoire pour la Minéralogie, l’Eau...(OMEGA) and Mars Reconnaissance Orbiter (MRO) Compact Reconnaissance Imaging Spectrometer for Mars (CRISM) |  | | Journal (article/letter/editorial) | | dehydration of Al-, Fe-, Mg- and Ca-sulfates under Mars relevant conditions Alian Wang ⇑, Yuhang Zhou Dept...2014 Available online 20 February 2014 Keywords: Mars Mineralogy Spectroscopy a b s t r a c t This study...Al2(SO4)3 17H2O and melanterite FeSO47H2O under Mars relevant pressure (P) and partial H2O pressure (PH2O)...cations and the highest hydration degrees, under Mars relevant conditions. Specifically, the differences...Mg-sulfate and Fe2+-sulfate would progress the fastest on Mars. Ó 2014 Elsevier Inc. All rights reserved. 1. Introduction |  | McCollom, Thomas M., Donaldson, Chris, Moskowitz, Bruce, Berquó, Thelma S., Hynek, Brian (2018) Phosphorous Immobility During Formation of the Layered Sulfate Deposits of the Burns Formation at Meridiani Planum. Journal of Geophysical Research: Planets, 123 (5) 1230-1254 doi:10.1029/2017je005493 | Journal (article/letter/editorial) | | Sulfate Deposits of the Burns Formation at Meridiani Planum Thomas M. McCollom1, Chris Donaldson1, Bruce...the formation of the sulfate-rich bedrocks at Meridiani. Results from a terrestrial analog and lab...depletions of this element in some rocks and soils from Mars. The sediments that compose the layered-sulfate...layered-sulfate deposits of the Burns formation at Meridiani Planum were originally derived from a basaltic precursor...spectrometer onboard the Opportunity rover at Meridiani, it might be difficult to detect such minerals |  | | Journal (article/letter/editorial) | | INVITED CENTENNIAL ARTICLE Review Petrology on Mars†k Harry Y. McSween Jr.1,* Department of Earth and...mineralogical, geochemical, and textural analyses from Mars rovers (with geologic context provided by orbiters)...sediments formed by hydrothermal activity. Sediments on Mars formed from different protoliths and were weathered...that of Earth. However, without plate tectonics Mars did not experience the thermal metamorphism and...geothermal gradient in its interior. The petrology of Mars is intriguingly different from Earth, but the tried-and-true |  | L'Haridon, J., Mangold, N., Meslin, P.-Y., Johnson, J.R., Rapin, W., Forni, O., Cousin, A., Payré, V., Dehouck, E., Nachon, M., Le Deit, L., Gasnault, O., Maurice, S., Wiens, R.C. (2018) Chemical variability in mineralized veins observed by ChemCam on the lower slopes of Mount Sharp in Gale crater, Mars. Icarus, 311. 69-86 doi:10.1016/j.icarus.2018.01.028 | Journal (article/letter/editorial) | | ChemCam on the lower slopes of Mount Sharp in Gale crater, Mars J. L’Haridon , N. Mangold , P.-Y. Meslin , J...ChemCam on the lower slopes of Mount Sharp in Gale crater, Mars, Icarus (2018), doi: 10.1016/j.icarus.2018.01...are pervasive along Curiosity traverse in Gale crater ChemCam highlights local enrichments in Fe and...CHEMCAM ON THE LOWER SLOPES OF MOUNT SHARP IN GALE CRATER, MARS. J. L’Haridon 1, N. Mangold 1, P.-Y. Meslin...part of the Murray formation. AC Keywords Mars; Gale crater; diagenesis; calcium sulfate; ChemCam ACCEPTED |  | | Journal (article/letter/editorial) | | revision accepted 12 August 2013) Abstract–The Mars Exploration Rover Spirit investigated the igneous...and surrounding Columbia Hills region in Gusev crater. At high temperatures (300 °C), magnetite occurs...during different geological processes within Gusev crater has two effects, both of which increase the habitability...the surface of Mars revealed by lander and orbiter missions (e.g., Viking landers, Mars Exploration Rovers...Phoenix, Mars Pathfinder, Mars Science Laboratory; and orbiters: Mars Global Surveyor, Mars Odyssey, |  | Pitman, K. M., Noe Dobrea, E. Z., Jamieson, C. S., Dalton, J. B., Abbey, W. J., Joseph, E. C. S. (2014) Reflectance spectroscopy and optical functions for hydrated Fe-sulfates. American Mineralogist, 99 (8) 1593-1603 doi:10.2138/am.2014.4730 | Journal (article/letter/editorial) | | rhomboclase) are presented. On Mars, jarosite has been identified in Meridiani Planum, Mawrth Vallis, Melas Chasma...Columbus Crater and as outcrops at Juventae Chasma, and rhomboclase has been identified at Gusev Crater. Constraining...and chemistry (Fe- vs. Mg-rich) of the sulfates on Mars may contribute to our understanding of the environmental...environmental and aqueous conditions present on Mars during their formation. The data presented here will...groundwater, and atmospheric processes once were on Mars. Keywords: Jarosite, szomolnokite, rhomboclase, |  | | Journal (article/letter/editorial) | | com/locate/epsl The nakhlite hydrothermal brine on Mars J.C. Bridges a,n, S.P. Schwenzer b a b Space Research...modelling. We show that the nakhlite parent rocks on Mars encountered a CO2-rich hydrothermal fluid at 150...of the nakhlite pile at the margins of an impact crater. The martian subsurface fluid forming phyllosilicates...Keywords: Mars nakhlite hydrothermal brine phyllosilicate carbonate 1. Introduction Mars research focuses...2011). In order to assess the past habitability of Mars for microbial life it is necessary to have an accurate |  | | Journal (article/letter/editorial) | | Manuscript Sequence stratigraphy on an early wet MARS Donald C. Barker, Janok P. Bhattacharya PII: S...Bhattacharya, J.P., Sequence stratigraphy on an early wet MARS, Planetary and Space Science (2017), doi: 10.1016/j...PAGE Title: SEQUENCE STRATIGRAPHY ON AN EARLY WET MARS RI PT List of Authors: Donald C. Barker1, Janok...dcbarker@uh.edu AC C EP TE D M AN U Keywords: Mars; regression; ocean; sequence; stratigraphy; ice... ACCEPTED MANUSCRIPT ABSTRACT The evolution of Mars as a water-bearing body is of considerable interest |  | | Journal (article/letter/editorial) | | low temperature aqueous Fe oxidation processes on Mars Yu-Yan S. Zhao ⇑, Scott M. McLennan Department of...found on Mars and the mechanism for formation of hematitic concretions at Meridiani Planum on Mars. Our results...moderate Zn distribution pattern observed in Meridiani hematitic spherule-bearing samples can be explained...this region. Although the lack of goethite at Meridiani renders it uncertain if goethite ever served as...Alpha-Particle X-ray Spectrometers (APXS) onboard the Mars Exploration Rovers (MER) Spirit and ⇑ Corresponding |  | | Journal (article/letter/editorial) | | com/locate/pss Gypsum, opal, and fluvial channels within a trough of Noctis Labyrinthus, Mars: Implications...surficial deposit along the southwestern lower wall. Gypsum appears to be present in the southern portion of...1.20, 1.74, 1.95, 2.22, 2.27, and 2.49 μm. The gypsum-bearing materials consist of one to several beds...opal and gypsum occur in close proximity in the southwestern region of the trough, but gypsum is found...Al-clays is found to the northwest. We do not believe gypsum and opal formed coevally because they are not always |  | Greenberger, Rebecca N., Mustard, John F., Osinski, Gordon R., Tornabene, Livio L., Pontefract, Alexandra J., Marion, Cassandra L., Flemming, Roberta L., Wilson, Janette H., Cloutis, Edward A. (2016) Hyperspectral mapping of alteration assemblages within a hydrothermal vug at the Haughton impact structure, Canada. Meteoritics & Planetary Science, 51 (12) 2274-2292 doi:10.1111/maps.12716 | Journal (article/letter/editorial) | | July 2016) Abstract–Meteorite impacts on Earth and Mars can generate hydrothermal systems that alter the...minor gypsum and jarosite; fibroferrite and copiapite with minor gypsum and melanterite; gypsum, Fe3+...Fe3+ oxides, and jarosite; and calcite, gypsum, clay, microcline, and quartz. Hyperspectral mapping of alteration...interaction with the calcite-rich host rock formed gypsum-bearing red coatings. These results have implications...interactions and habitabilities at this site and on Mars. is seen at most complex craters on Earth that |  | | Journal (article/letter/editorial) | | van-driessche@univ-grenoble-alpes.fr; Keywords: calcium sulfate; gypsum; bassanite (hemihydrate); anhydrite; classical...solution-mediated formation of calcium sulfate minerals, i.e. gypsum, anhydrite and bassanite, is a common process in...indicator of past environmental conditions on Earth and Mars. Products relying on the crystallization of these...precipitation pathway of the most common phase, gypsum. The newly obtained data sketch a far more complex...three crystalline phases can be obtained (Fig. 1): gypsum (CaSO4·2H2O), bassanite Journal Pre-proof (CaSO4·0 |  | Bishop, J. L., Lane, M. D., Dyar, M. D., King, S. J., Brown, A. J., Swayze, G. A. (2014) Spectral properties of Ca-sulfates: Gypsum, bassanite, and anhydrite. American Mineralogist, 99 (10) 2105-2115 doi:10.2138/am-2014-4756 | Journal (article/letter/editorial) | | Perchlorates Spectral properties of Ca-sulfates: Gypsum, bassanite, and anhydrite† Janice L. Bishop1,*...support remote detection of these minerals on Mars. Gypsum, bassanite, and anhydrite are the currently...spectra are discussed here for various sample forms. Gypsum and bassanite spectra exhibit characteristic and...μm attributed to H2O. Anhydrite, bassanite, and gypsum all have SO4 combination and overtone features...a sharp band for anhydrite and a broad peak for gypsum. The band center of the ν1 vibration follows a |
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Endeavour Crater, Meridiani Planum, Terra Meridiani, Mars