 | 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...oxides in the form of hematite in the Burns and Grasberg formations of Meridiani Planum have been well characterized...934–1009 nm slopes. On the rim of Noachian-aged Endeavour crater, Opportunity has observed light-toned veins...Opportunity on the Murray Ridge portion of the Endeavour crater rim display dark- and light-toned coatings |  | | Journal (article/letter/editorial) | | Contrasting styles of water–rock interaction at the Mars Exploration Rover landing sites Joel A. Hurowitz...Abstract The nature of ancient hydrological systems on Mars has been the subject of ongoing controversy, driven...unstable. Here we present geochemical data from the Mars Exploration Rovers to evaluate the hydrological...that the sedimentary rocks of the Burns Formation at Meridiani Planum have a chemical composition well-described...investigated Shoemaker Formation, a sequence of impact breccias that underlie the Burns Formation. This result |  | Di Bella, Marcella, Pirajno, Franco, Sabatino, Giuseppe, Quartieri, Simona, Barbieri, Roberto, Cavalazzi, Barbara, Ferretti, Annalisa, Danovaro, Roberto, Romeo, Teresa, Andaloro, Franco, Esposito, Valentina, Scotti, Gianfranco, Tripodo, Alessandro, Italiano, Francesco (2021) Rolling Ironstones from Earth and Mars: Terrestrial Hydrothermal Ooids as a Potential Analogue of Martian Spherules. Minerals, 11 (5) 460 doi:10.3390/min11050460 | Journal (article/letter/editorial) | | minerals Article Rolling Ironstones from Earth and Mars: Terrestrial Hydrothermal Ooids as a Potential Analogue...F.; et al. 9 Rolling Ironstones from Earth and Mars: Terrestrial Hydrothermal Ooids 10 as a Potential...e Informatiche, Scienze Fisiche e Scienze della Terra (MIFT), Università di Messina, Viale Stagno d’Alcontres...Now retired. Abstract: High-resolution images of Mars from National Aeronautics and Space Administration...hypotheses have been proposed. Understanding the formation mechanism of these haematite spherules can thus |  | | 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 |  | FAIRÉN, Alberto G., DOHM, James M., BAKER, Victor R., THOMPSON, Shane D., MAHANEY, William C., HERKENHOFF, Kenneth E., RODRÍGUEZ, J. Alexis P., DAVILA, Alfonso F., SCHULZE-MAKUCH, Dirk, EL MAARRY, M. Ramy, UCEDA, Esther R., AMILS, Ricardo, MIYAMOTO, Hirdy, KIM, Kyeong J., ANDERSON, Robert C., McKAY, Christopher P. (2011) Meteorites at Meridiani Planum provide evidence for significant amounts of surface and near-surface water on early Mars. Meteoritics & Planetary Science, 46 (12) 1832-1841 doi:10.1111/j.1945-5100.2011.01297.x | Journal (article/letter/editorial) | | 1111/j.1945-5100.2011.01297.x Meteorites at Meridiani Planum provide evidence for significant amounts of...of surface and near-surface water on early Mars Alberto G. FAIRÉN1,2*, James M. DOHM3, Victor R. BAKER3...have been discovered in the Meridiani Planum region of Mars by the Mars Exploration Rover Opportunity...recorded by its sediments and chemical deposits, Meridiani has been interpreted to have undergone a watery...subsequent differential erosion and degradation of Meridiani sediments, including at least 10– 80 m of deflation |  | | Journal (article/letter/editorial) | | Sedimentary rocks at Meridiani Planum: Origin, diagenesis, and implications for life on Mars Steven W. Squyres...sedimentary rocks on Mars. The rocks, exposed in craters and along fissures in Meridiani Planum, are sandstones...more than seven meters thick measured in Endurance crater is dominated by eolian dune and sand sheet facies;...sulfate minerals dominate outcrop geochemistry, but hematite and Fe3D3 (another ferric iron phase) make up...depositional and early diagenetic paleoenvironment at Meridiani was arid, acidic, and oxidizing, a characterization |  | Knoll, Andrew H., Carr, Michael, Clark, Benton, Des Marais, David J., Farmer, Jack D., Fischer, Woodward W., Grotzinger, John P., McLennan, Scott M., Malin, Michael, Schröder, Christian, Squyres, Steven, Tosca, Nicholas J., Wdowiak, Thomas (2005) An astrobiological perspective on Meridiani Planum. Earth and Planetary Science Letters, 240 (1) 179-189 doi:10.1016/j.epsl.2005.09.045 | Journal (article/letter/editorial) | | com/locate/epsl An astrobiological perspective on Meridiani Planum Andrew H. Knoll a,*, Michael Carr b, Benton...Abstract Sedimentary rocks exposed in the Meridiani Planum region of Mars record aqueous and eolian deposition...suggesting that, to a first approximation, the Meridiani plain may have been habitable during at least...hand, the environmental conditions inferred for Meridiani deposition would have posed a challenge for prebiotic...combination of sulfate minerals and hematite found in Meridiani rocks may be unusual on the martian surface; |  | | Journal (article/letter/editorial) | | personal use only. The Sedimentary Cycle on Early Mars Scott M. McLennan,1 John P. Grotzinger,2 Joel A...Planetary Sciences is online at earth.annualreviews.org Mars, sedimentology, stratigraphy, sedimentary cycles...intensive research have demonstrated that early Mars (2 Gyr) had an active sedimentary cycle, including...provenance, absence of plate tectonics) Earth’s record. Mars’ sedimentary record preserves evidence for progressive...nature and evolution of paleoenvironments (e.g., acid Mars, early warm and wet versus late cold and dry) have |  | 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) | | Immobility During Formation of the Layered Sulfate Deposits of the Burns Formation at Meridiani Planum Thomas...immobile at all stages in the formation of the sulfate-rich bedrocks at Meridiani. Results from a terrestrial...soils from Mars. The sediments that compose the layered-sulfate deposits of the Burns formation at Meridiani...Meridiani Planum were originally derived from a basaltic precursor, but appear to have been exposed to acidic...or out of the deposits at any stage in their formation. Potential reservoirs for P in the deposits include |  | McLennan, S.M., Bell, J.F., Calvin, W.M., Christensen, P.R., Clark, B.C., de Souza, P.A., Farmer, J., Farrand, W.H., Fike, D.A., Gellert, R., Ghosh, A., Glotch, T.D., Grotzinger, J.P., Hahn, B., Herkenhoff, K.E., Hurowitz, J.A., Johnson, J.R., Johnson, S.S., Jolliff, B., Klingelhöfer, G., Knoll, A.H., Learner, Z., Malin, M.C., McSween, H.Y., Pocock, J., Ruff, S.W., Soderblom, L.A., Squyres, S.W., Tosca, N.J., Watters, W.A., Wyatt, M.B., Yen, A. (2005) Provenance and diagenesis of the evaporite-bearing Burns formation, Meridiani Planum, Mars. Earth and Planetary Science Letters, 240 (1) 95-121 doi:10.1016/j.epsl.2005.09.041 | Journal (article/letter/editorial) | | diagenesis of the evaporite-bearing Burns formation, Meridiani Planum, Mars S.M. McLennan a,*, J.F. Bell III...reworked evaporitic sandstones, preserved on Meridiani Planum, Mars, are mixtures of roughly equal amounts... Ca-sulfates F chlorides F Fe-, Na-sulfates), hematite and possibly secondary silica (60 F 10%). These...other diagenetic features are consistent with formation during later diagenesis in the phreatic (fluid...porosity. The second generation of cements followed formation of secondary porosity. This paragenetic sequence |  | | Journal (article/letter/editorial) | | elsevier.com/locate/pss A formation mechanism for hematite-rich spherules on Mars Chaojun Fan a,n, Hongjie...Gray crystalline hematite on Mars has been detected in three regions, Sinus Meridiani, Aram Chaos, and...onboard the Mars Global Surveyor (MGS) orbiter, and then confirmed by other instruments. The hematite-rich spherules...by the Mars Exploration Rover (MER) Opportunity at Meridiani Planum (Sinus Meridiani). Formation mechanisms...mechanisms of the hematite-rich spherules have been discussed widely since then. Here, we argue for an alternative |  | Fairén, Alberto G., Schulze-Makuch, Dirk, Rodríguez, Alexis P., Fink, Wolfgang, Davila, Alfonso F., Uceda, Esther R., Furfaro, Roberto, Amils, Ricardo, McKay, Christopher P. (2009) Evidence for Amazonian acidic liquid water on Mars—A reinterpretation of MER mission results. Planetary and Space Science, 57 (3) 276-287 doi:10.1016/j.pss.2008.11.008 | Journal (article/letter/editorial) | | Article Evidence for Amazonian acidic liquid water on Mars—A reinterpretation of MER mission results Alberto...December 2008 The Mars Exploration Rover (MER) missions have confirmed aqueous activity on Mars. Here we review...that some weathering processes in Meridiani Planum and Gusev crater are better explained by late diagenetic...interactions than by early diagenesis only. At Meridiani, the discovery of jarosite by MER-1 Opportunity...activity during geologically recent times in Meridiani. Pre-Amazonian environmental changes (including |  | | Journal (article/letter/editorial) | | FEBRUARY 2009 DOI: 10.1038/NGEO438 Meridiani Planum sediments on Mars formed through weathering in massive...Michalski2 The sulphate-rich deposits at Meridiani Planum, Mars, discovered by the rover Opportunity, were...hypotheses include volcanic or impact-driven formation of the sediments. Here we argue that the cation...chemistry, scale, mineralogy and structure of the Meridiani sedimentary deposits are best explained by eolian...explanation for the formation of many of the sulphate-rich layered deposits on Mars, which share many characteristics |  | Sgavetti, M., Pompilio, L., Roveri, M., Manzi, V., Valentino, G.M., Lugli, S., Carli, C., Amici, S., Marchese, F., Lacava, T. (2009) Two geologic systems providing terrestrial analogues for the exploration of sulfate deposits on Mars: Initial spectral characterization. Planetary and Space Science, 57 (5) 614-627 doi:10.1016/j.pss.2008.05.010 | Journal (article/letter/editorial) | | analogues for the exploration of sulfate deposits on Mars: Initial spectral characterization M. Sgavetti a...e, T. Lacava f a Dipartimento di Scienze della Terra, Università di Parma, Via G.P. Usberti, 152. 43100...43100 Parma, Italy Dipartimento di Scienze della Terra, Università di Napoli Federico II, Via Mezzocannone...80134 Napoli, Italy c Dipartimento di Scienze della Terra, Università di Modena-Reggio, Largo S.Eufemia,...implications for understanding the origin of sulfates on Mars and show preliminary sets of VNIR laboratory and |  | | Journal (article/letter/editorial) | | low temperature aqueous Fe oxidation processes on Mars Yu-Yan S. Zhao ⇑, Scott M. McLennan Department of...Cr(III) during the melanterite (FeSO47H2O) to hematite (a-Fe2O3) oxidative transformations involving...found on Mars and the mechanism for formation of hematitic concretions at Meridiani Planum on Mars. Our results...in hematite via different pathways are very different. In Path 1 (melanterite ! jarosite ! hematite), partitioning...partitioning of Ni, Zn and Cr into jarosite and hematite (formed through dissolution of jarosite) is most |  | | Journal (article/letter/editorial) | | the Alpha Particle X-ray Spectrometer on NASA’s Mars Rovers Ralf Gellert1, Benton C. Clark III2, and...payload of the four rovers that NASA has landed on Mars. It uses 244Cm sources for a combination of PIXE...undergone significant changes from Pathfinder KEYWORDS : Mars geochemistry, XRF, PIXE, APXS, MER, MSL, chemostratigraphy...alpha particle X-ray spectrometer (APXS) in the Mars thin alpha detector in the center of a ring of 244Cm...emitted 5.5 megaelectron kind that has landed on Mars. After Pathfi nder (1997) and volt alpha particles |  | | Journal (article/letter/editorial) | | Water at Meridiani Bradley L. Jolliff,1 Scott M. McLennan,2 and the Athena Science Team T he Mars Exploration...structures in the Burns formation at Meridiani Planum. The materials in this formation reflect, in part...Cementation and postdepositional reactions to form hematite-rich concretions and crystal-mold porosity reflect...craters and exposed on the plains. The timing of formation of fracture fillings that cut across bedding is...a variety of depths; it has also examined the formation at several locations between craters on the plains |  | Grotzinger, J.P., Arvidson, R.E., Bell, J.F., Calvin, W., Clark, B.C., Fike, D.A., Golombek, M., Greeley, R., Haldemann, A., Herkenhoff, K.E., Jolliff, B.L., Knoll, A.H., Malin, M., McLennan, S.M., Parker, T., Soderblom, L., Sohl-Dickstein, J.N., Squyres, S.W., Tosca, N.J., Watters, W.A. (2005) Stratigraphy and sedimentology of a dry to wet eolian depositional system, Burns formation, Meridiani Planum, Mars. Earth and Planetary Science Letters, 240 (1) 11-72 doi:10.1016/j.epsl.2005.09.039 | Journal (article/letter/editorial) | | wet eolian depositional system, Burns formation, Meridiani Planum, Mars J.P. Grotzinger a,*, R.E. Arvidson...sedimentary rocks at the Opportunity landing site (Meridiani Planum) form a set of genetically related strata...strata defined here informally as the Burns formation. This formation can be subdivided into lower, middle...controlling primary depositional processes. The Burns lower unit is interpreted as a dry dune field (though...cohesiveness in the capillary fringe. The overlying Burns middle unit is characterized by fine-scale planar-laminated |  | | Journal (article/letter/editorial) | | com/locate/epsl Hematitic concretions at Meridiani Planum, Mars: Their growth timescale and possible relationship...been found in the Burns formation at Meridiani Planum, Mars, by NASA's Opportunity Mars Exploration Rover...elsewhere. We consider the source of the iron for Meridiani concretions by calculating the constraints on...dissolution and oxidation rates of iron minerals on early Mars. Mass balance arguments suggest that acid dissolution...observation from orbiters that grey crystalline hematite occurs in association with sulfate deposits. © |  | Dehouck, E., Chevrier, V., Gaudin, A., Mangold, N., Mathé, P.-E., Rochette, P. (2012) Evaluating the role of sulfide-weathering in the formation of sulfates or carbonates on Mars. Geochimica et Cosmochimica Acta, 90. 47-63 doi:10.1016/j.gca.2012.04.057 | Journal (article/letter/editorial) | | of sulfide-weathering in the formation of sulfates or carbonates on Mars E. Dehouck a,⇑, V. Chevrier b...May 2012 Abstract Orbital and landed missions to Mars have revealed complex sulfate- and Fe-oxide-bearing...apparent paradox arising from the possible coeval formation of the two types of minerals. These results raise...sulfates in different regions of Mars, including Valles Marineris and Terra Meridiani (Bibring et al., 2005; Gendrin...named “Burns formation” to honor Roger Burns, who predicted that ferric sulfates should occur on Mars (Burns |  | | 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 |  | | Journal (article/letter/editorial) | | com/locate/pss Mineralogy and evolution of the surface of Mars: A review V. Chevriera,b,, P.E. Mathéb a Arkansas...Abstract We review the mineralogy of the surface of Mars, using data from various sources, including in situ...the chemical evolution of the surface materials on Mars in order to identify the dominant process(es). Then...Nevertheless, the observed phases on the surface of Mars globally depend on the evolution of the weathering...2006 Elsevier Ltd. All rights reserved. Keywords: Mars; Surface; Mineralogy; Weathering; Alteration; Iron |  | West, L., McGown, D.J., Onstott, T.C., Morris, R.V., Suchecki, P., Pratt, L.M. (2009) High Lake gossan deposit: An Arctic analogue for ancient Martian surficial processes?. Planetary and Space Science, 57 (11) 1302-1311 doi:10.1016/j.pss.2009.05.011 | Journal (article/letter/editorial) | | under which sulfate and Fe-oxide possibly formed on Mars. Rock and soil samples were taken from three different...which minerals like hematite, goethite, gypsum and jarosite, which are found on Mars, can form in an environment...2009 Elsevier Ltd. All rights reserved. Keywords: Mars analogue Mineralogy Gossan Arctic Mössbauer 1...strata also contained spherical nodules composed of hematite [Fe2O3] Corresponding author. Tel.: +1 609...concretions within the sedimentary layering of the crater wall and scattered about the surface due to erosion |  | Wilson, J.H., McLennan, S.M., Glotch, T.D., Rasbury, E.T., Gierlowski-Kordesch, E.H., Tappero, R.V. (2012) Pedogenic hematitic concretions from the Triassic New Haven Arkose, Connecticut: Implications for understanding Martian diagenetic processes. Chemical Geology, 312. 195-208 doi:10.1016/j.chemgeo.2012.04.013 | Journal (article/letter/editorial) | | Sedimentary concretions Diagenetic processes Geochemistry Mars a b s t r a c t The Triassic New Haven Arkose locally...insights into concretion-forming processes on Earth and Mars. Concretions represent ~8% of the sediment by mass...exclude coarser grain sizes, and are cemented by hematite and goethite. Optical observations and synchrotron...concretion. Element mobility during concretion formation was tested assuming different immobile elements...mechanisms than hematitic spherules discovered on Mars, they nevertheless exhibit a number of textural |  | | Journal (article/letter/editorial) | | com/locate/epsl Transformation of jarosite to hematite in simulated Martian brines Vidal Barrón a , José...hydrous iron sulfate – at Meridiani Planum supports the past existence of water on Mars surface. Thermodynamic...transform directly to hematite – the iron oxide identified at Meridiani Planum – in simulated Martian...persist in highly saline Martian brines. The formation of goethite, a common iron oxyhydroxide on Earth...Jarosite; Hematite; Goethite; Phosphate; Meridiani Planum; Water activity 1. Introduction Formation of jarosite |
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