 | | 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...chemistry, scale, mineralogy and structure of the Meridiani sedimentary deposits are best explained by eolian...of many of the sulphate-rich layered deposits on Mars, which share many characteristics, including mineralogy...characteristics and size, with the sediments found at Meridiani Planum. he playa hypothesis1,2 was strongly influenced |  | | Journal (article/letter/editorial) | | The Orbital Search for Altered Materials on Mars Michael B. Wyatt1 and Harry Y. McSween Jr.2 T regolith...environments are observed. The distribution of ice on Mars thus appears to have a global influence on the production...observations by the Mars Global Surveyor (MGS) TES, Mars Odyssey (MO) THEMIS, and Mars Express (MEX) OMEGA...history of water on Mars. The search for chemically derived secondary phases on Mars is driven, in large...(VNIR) spectra from Earth-based telescopes and early Mars spacecraft provided a framework of Martian compositions |  | | Journal (article/letter/editorial) | | com/locate/pss A formation mechanism for hematite-rich spherules on Mars Chaojun Fan a,n, Hongjie Xie a, Dirk...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...detected by the Mars Exploration Rover (MER) Opportunity at Meridiani Planum (Sinus Meridiani). Formation...Formation mechanisms of the hematite-rich spherules have been discussed widely since then. Here, we argue for |  | | Report (chapter) | | 28, 2016 Layered, massive and thin sediments on Mars: possible Late Noachian to Late Amazonian tephra...Data from instruments on the currently orbiting Mars Global Surveyor (MGS) suggest that as an alternative...to lacustrine deposits, widespread sediments on Mars may be tephra deposits of variable age, formed in...atmospheric pressure of Mars. Data from instruments on the currently orbiting Mars Global Surveyor (MGS)...high-resolution (2-5m per pixel) images from the narrow-angle Mars Orbiter Camera (MGS) have generated a new suggestion |  | Fernández-Remolar, D., Gómez-Elvira, J., Gómez, F., Sebastian, E., Martı́in, J., Manfredi, J.A., Torres, J., González Kesler, C., Amils, R. (2004) The Tinto River, an extreme acidic environment under control of iron, as an analog of the Terra Meridiani hematite site of Mars. Planetary and Space Science, 52 (1) 239-248 doi:10.1016/j.pss.2003.08.027 | Journal (article/letter/editorial) | | control of iron, as an analog of the Terra Meridiani hematite site of Mars D. Fern*andez-Remolara;∗ , J. G*omez-Elviraa...Abstract One remarkable discovery in Mars geology is the extensive Meridiani iron formation. Although thermal... the available TES spectra show hematite as a mineral phase of Mars’ iron rocks, but not the cherty silica...iron-rich associations changed with time to goethite–hematite associations through dehydration and desulfatation...Tinto River Basin a reasonable analog for the Mars hematite site if an aqueous origin for these oxides is |  | | Journal (article/letter/editorial) | | c a t e / e p s l The stratigraphy of Meridiani Planum, Mars, and implications for the layered deposits'...July 2008 Editor: T. Spohn Keywords: Mars stratigraphy Meridiani Planum a b s t r a c t Large exposures...deposits have recently been identified on the surface of Mars. The source materials, formation, and aqueous alteration...alteration history are presently poorly understood. The Mars Exploration Rover Opportunity has examined a tiny...tiny fraction of large-scale layered deposits in Meridiani Planum, and many questions remain about the origin |  | 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; |  | 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...and conclude that some weathering processes in Meridiani Planum and Gusev crater are better explained by...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 |  | Murchie, Scott, Roach, Leah, Seelos, Frank, Milliken, Ralph, Mustard, John, Arvidson, Raymond, Wiseman, Sandra, Lichtenberg, Kimberly, Andrews-Hanna, Jeffrey, Bishop, Janice, Bibring, Jean-Pierre, Parente, Mario, Morris, Richard (2009) Evidence for the origin of layered deposits in Candor Chasma, Mars, from mineral composition and hydrologic modeling. Journal of Geophysical Research, 114. doi:10.1029/2009je003343 | Journal (article/letter/editorial) | | the origin of layered deposits in Candor Chasma, Mars, from mineral composition and hydrologic modeling...Spectrometer for Mars and High Resolution Imaging Science Experiment and Context Imager cameras on Mars Reconnaissance...including hematite. This model links the layered deposits in Valles Marineris and those in Meridiani Planum...the origin of layered deposits in Candor Chasma, Mars, from mineral composition and hydrologic modeling...aqueously formed minerals on Mars by Thermal Emission Spectrometer on Mars Global Surveyor (TES) [Christensen |  | Franchi, F., Rossi, A.P., Pondrelli, M., Cavalazzi, B. (2014) Geometry, stratigraphy and evidences for fluid expulsion within Crommelin crater deposits, Arabia Terra, Mars. Planetary and Space Science, 92. 34-48 doi:10.1016/j.pss.2013.12.013 | Journal (article/letter/editorial) | | expulsion within Crommelin crater deposits, Arabia Terra, Mars F. Franchi a,b,n, A.P. Rossi c, M. Pondrelli...surface. In the Crommelin crater (equatorial Arabia Terra) furrows and conical mounds are exhumed within light-toned...examined for comparison with analog structures on Mars. In this work thickness and geometries of the crater...upwelling could be expected in other craters on Mars with Crommelin-like topographic and geological setting...Elsevier Ltd. All rights reserved. Keywords: Mars Arabia Terra Crommelin crater Layered deposits Mounds Fluid |  | | Journal (article/letter/editorial) | | Excavation and the Search for Subsurface Life on Mars Charles S. Cockell NASA Ames Research Center, MS...life on Earth, examination of the subsurface of Mars could provide an answer to the question of whether...natural mechanism for accessing the deep substrate of Mars and exploring its exobiological potential. Based...2002 Elsevier Science (USA) Key Words: impacts; Mars; life; excavation; critical depth; drilling; paleolacustrine...INTRODUCTION The question of microbial life on Mars, extinct or extant, remains a field of much discussion |  | | Report (issue) | | Basins on Mars By Timothy J. Parker and Brenda J. Franklin Geology of the MTM 40012 Quadrangle, Mars By George...Highlands of Mars By David A. Crown and Scott C. Mest Geologic Mapping of the South Polar Region of Mars By Eric...and Kenneth L. Tanaka Stratigraphy of Terra Meridiani, Mars By Brian M. Hynek, Raymond E. Arvidson,... and Roger J. Phillips Field Trip to Mars By Larry S. Crumpler Field Trip to the Spring Deposits of...adjoining areas analogous to observed features on Mars and Venus. The arid but volcanically and tectonically |  | | 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) | | Mineralogical composition of sands in Meridiani Planum determined from Mars Exploration Rover data and comparison...low-albedo, low-sulfur sands at Meridiani Planum are determined from Mars Exploration Rover (MER) Opportunity...emissivity and mineral abundances derived from orbit with Mars Global Surveyor TES data. TES-derived mineral abundances...Mineralogical composition of sands in Meridiani Planum determined from Mars Exploration Rover data and comparison...1029/2007JE002995. 1. Introduction [2] Low-albedo regions of Mars are dominated by basaltic lithologies [e.g., Soderblom |  | | Journal (article/letter/editorial) | | Sulfur on Mars False color IR image of a mound from Juvente Chasma, Mars, with polyhydratedsulfates (blue)...arguably the most important geochemical cycle on Mars because the transfer of sulfur places limits on...habitability. The presence of sulfur-rich compositions on Mars is suggested by meteorite data, in situ bulk chemical...geochemical models. The inferred sulfur-rich nature of Mars may have resulted in an Fe–(Ni–)S core that has...ratios) and readily form habitable environments. Mars has long been considered a S-bearing secondary phases |  | 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...amounts 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 (issue) | | $3.00 Mapping the Minerals of Mars By the European Space Agency's Mars Orbiter Dr. Vivien Gornitz vgornitz@giss...vgornitz@giss.nasa.gov While the two Mars Exploration Rovers-Spirit and Opportunity-were busily scrutinizing...European Space Agency's Mars Express orbiter (launched June 2003 and arrived at Mars December, 2003), which...·'polyhydrated sulfates", which could include been found on Mars tell a '". epsomite (MgSO 4 • 7HP), revealing story...discovered by the Mars thelayeredrocksofeastem Exploration Rover Opportunity .• .- Terra Meridiani, in the last |  | Singh, Mahima, Singhal, Jayant, Arun Prasad, K., Rajesh, V.J., Ray, Dwijesh, Sahoo, Priyadarshi (2016) Spectral characteristics of banded iron formations in Singhbhum craton, eastern India: Implications for hematite deposits on Mars. Geoscience Frontiers, 7 (6) 927-936 doi:10.1016/j.gsf.2015.11.003 | Journal (article/letter/editorial) | | craton, eastern India: Implications for hematite deposits on Mars Mahima Singh a, Jayant Singhal a, K. Arun...formations (BIFs) are major rock units having hematite layers intermittent with silica rich layers and...Proterozoic time. In terrestrial environment, hematite deposits are mainly found associated with banded...evolution of hematite deposits on Mars. Hematite deposits are extensively identified in Meridiani region on...on Mars. Many hypotheses have been proposed to decipher the mechanism for the formation of these deposits |  | | Journal (article/letter/editorial) | | com/locate/epsl Chemical divides and evaporite assemblages on Mars Nicholas J. Tosca *, Scott M. McLennan Department... newly discovered regions of saline minerals on Mars are high priority targets for exploration. The chemical...weathering largely controls fluid compositions on Mars and the robust predictive capabilities of terrestrial...evaporites discovered on Meridiani Planum by the Opportunity rover, and Mars Express OMEGA data. We suggest...Elsevier B.V. All rights reserved. Keywords: Mars; Mars exploration rovers; evaporites; geochemistry; |  | | Report (chapter) | | habitability of our solar system. Compared with Earth, Mars’ surface erosion rates are extremely low (Golombek...influence have preserved landforms on the surface of Mars that on Earth are obscured, degraded or buried,...seen on Earth are believed to have also occurred on Mars, make it a powerful laboratory for comparative studies...locations on Mars and then only through robotic missions. Similarly, the meteorite samples from Mars are few...orbiting missions, including Mars Global Surveyor, Mars Odyssey, Mars Express and Mars Reconnaissance Orbiter |  | Madden, A.S., Hamilton, V.E., Madden, M.E. Elwood, Larson, P.R., Miller, M.A. (2010) Low-temperature mechanism for formation of coarse crystalline hematite through nanoparticle aggregation. Earth and Planetary Science Letters, 298 (3) 377-384 doi:10.1016/j.epsl.2010.08.014 | Journal (article/letter/editorial) | | mechanism for formation of coarse crystalline hematite through nanoparticle aggregation A.S. Madden a...9 September 2010 Editor: T. Spohn Keywords: Mars hematite nanoparticles a b s t r a c t We have discovered...mechanism for the formation of coarse specular hematite grains. Either freezing and subsequent thawing...suspensions under confinement leads to aggregation of hematite platelets with initial diameters of ~ 10 nm into...consistent with coarse crystalline spectra from Mars. TIR spectra of air-dried, freeze–thawed, and cryodesiccated |  | 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) | | the evaporite-bearing Burns formation, Meridiani Planum, Mars S.M. McLennan a,*, J.F. Bell III b, W.M...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...Elsevier B.V. All rights reserved. Keywords: Mars; Meridiani Planum; diagenesis; geochemistry; sedimentology;...provenance 1. Introduction Preserved on the plains of Meridiani Planum, in the vicinity of the Opportunity Rover |  | | Journal (article/letter/editorial) | | Weathering, erosion and landscape processes on Mars identified from recent rover imagery, and possible...water on Mars has been a principal objective during NASA’s current 2003 – 2004 series of Mars Exploration...show that many of the features on the surface of Mars could be formed by processes common on Earth. We...geomorphology. KEY WORDS: landscape processes, Mars, Mars Exploration Rovers, regolith, water, weathering...INTRODUCTION The 2003 – 2004 series of missions to Mars was primarily designed to find and characterise a |  | | Journal (article/letter/editorial) | | Alteration of immature sedimentary rocks on Earth and Mars: Recording aqueous and surface–atmosphere processes...Available online 5 March 2015 Editor: C. Sotin Keywords: Mars sedimentary weathering alteration spectroscopy ...to rock alteration and therefore paleoclimates on Mars. Clastic sedimentary rocks derived from basaltic...rovers and are likely abundant on the surface of Mars. However, how such rock types undergo alteration...measurements similar to those used on previous and current Mars missions. Laboratory techniques included bulk chemistry |  | 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...surface of the silica. Keywords: Mars remote sensing, visible/near-infrared, Mars spectroscopy, iron oxides...2004, the Panoramic Cameras (Pancams) onboard the Mars Exploration Rovers Spirit and Opportunity have been |
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Eagle Crater, Meridiani Planum, Terra Meridiani, Mars