 | | Journal (article/letter/editorial) | | of compositional stratigraphy on Mars: Insights from the Mawrth Vallis region Joseph R. Michalski a,b,⇑...18 May 2013 Available online 6 June 2013 Keyword: Mars Infrared observations Mineralogy Geological processes...for the formation of compositional stratigraphy on Mars and tested the hypotheses on well-exposed sulfate-...clay-bearing rocks found in the Mawrth Vallis region. In the Mawrth Vallis area, interpretations of compositional...compositional stratigraphy is observed in many locations on Mars (Murchie et al., 2009; Noe Dobrea et al., 2010; |  | Michalski, Joseph R., Bibring, Jean-Pierre, Poulet, François, Loizeau, Damien, Mangold, Nicolas, Dobrea, Eldar Noe, Bishop, Janice L., Wray, James J., McKeown, Nancy K., Parente, Mario, Hauber, Ernst, Altieri, Francesca, Carrozzo, F. Giacomo, Niles, Paul B. (2010) The Mawrth Vallis Region of Mars: A Potential Landing Site for the Mars Science Laboratory (MSL) Mission. Astrobiology, 10 (7) 687-703 doi:10.1089/ast.2010.0491 | Journal (article/letter/editorial) | | 1089/ast.2010.0491 The Mawrth Vallis Region of Mars: A Potential Landing Site for the Mars Science Laboratory...Niles10 Abstract The primary objective of NASA’s Mars Science Laboratory (MSL) mission, which will launch...is to characterize the habitability of a site on Mars through detailed analyses of the composition and...value of a possible landing site in the Mawrth Vallis region of Mars that is targeted directly on some of...materials in the Solar System. The area around Mawrth Vallis contains a vast (>1106 km2) deposit of phyllosilicate-rich |  | 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) | | Spectral properties of Ca-sulfates: Gypsum, bassanite, and anhydrite† Janice L. Bishop1,*, Melissa D...remote detection of these minerals on Mars. Gypsum, bassanite, and anhydrite are the currently known...discussed here for various sample forms. Gypsum and bassanite spectra exhibit characteristic and distinct triplet...near 2.1–2.3 μm attributed to H2O. Anhydrite, bassanite, and gypsum all have SO4 combination and overtone...concentration, and pH than bassanite. The relative humidity controls whether bassanite or gypsum is stable. |  | Loizeau, D., Werner, S.C., Mangold, N., Bibring, J.-P., Vago, J.L. (2012) Chronology of deposition and alteration in the Mawrth Vallis region, Mars. Planetary and Space Science, 72 (1) 31-43 doi:10.1016/j.pss.2012.06.023 | Journal (article/letter/editorial) | | Chronology of deposition and alteration in the Mawrth Vallis region, Mars D. Loizeau a,n, S.C. Werner b, N. Mangold...2012 The Mawrth Vallis area displays some of the largest phyllosilicate-rich outcrops of Mars, on Noachian...Noachian highlands. The Mawrth Vallis region is located just at the dichotomy boundary between the Noachian...layers have also been identified in parts of the Mawrth Vallis and Oyama crater floors. The age of the alteration...activity and habitability in this region, and on Mars. We have investigated the relative stratigraphy |  | | Journal (article/letter/editorial) | | and different levels of alteration around Mawrth Vallis, Mars Sheng Gou, Zongyu Yue, Kaichang Di*, Jinnian...main phyllosilicates exposed in and around Mawrth Vallis: Al phyllosilicates and Fe/Mg phyllosilicates...and textures are observed on both sides of Mawrth Vallis from HiRISE images, suggesting that the geological...abundance Alteration levels Mawrth Vallis 1. Introduction Mawrth Vallis outflow channel, centred at approximately...around Mawrth Vallis have one of the largest contiguous exposures of phyllosilicates on Mars, which extend |  | Cloutis, Edward A., Hewson, David, Applin, Daniel M., Mann, J.Paul, Mertzman, Stanley A. (2018) Raman and reflectance spectroscopy of serpentinites and related hydrated silicates: Effects of physical properties and observational parameters, and implications for detection and characterization on Mars. Planetary and Space Science, 159. 66-83 doi:10.1016/j.pss.2018.04.016 | Journal (article/letter/editorial) | | implications for detection and characterization on Mars Edward A. Cloutis a, *, David Hewson a, Daniel M...important role in future surface exploration of Mars. We undertook a study of the 532 nm Raman and 0...reflectance observational data for Mars to be provided by future Mars landed missions. We examined the...applications in planetary exploration, particularly for Mars. This is due to its ability to uniquely identify...that are, or may be, present on, or relevant to, Mars (e.g., Jorge-Villar and Edwards, 2006; De Gelder |  | | Journal (article/letter/editorial) | | The detection of phyllosilicates and sulfates on Mars has revealed a complex aqueous history which suggests...spatially. Recent observations by MRO CRISM in Mawrth Vallis have shown that phyllosilicate deposits exhibit...allowing a comparison with CRISM spectra from Mawrth Vallis. Based on our results, we propose a new model...spectrometer onboard Mars Express and the Compact Reconnaissance Imaging Spectrometer for Mars (CRISM) onboard...onboard the Mars Reconnaissance Orbiter have identified large phyllosilicate (mostly Fe, Mg and Alrich smectites) |  | | Thesis/Dissertation | | Eolian Sediment from the Namib Dune, Gale Crater, Mars ..................................................Mineralogy of the Murray Formation in Gale Crater, Mars........................ 18 APPENDIX C: Redetermination...EOLIAN SEDIMENT FROM THE NAMIB DUNE, GALE CRATER, MARS .............................................................................. 75 IN GALE CRATER, MARS........................................................................... 125 9 ABSTRACT The Mars Science Laboratory (MSL) rover, Curiosity, is exploring |  | | Journal (article/letter/editorial) | | phyllosilicate-bearing samples as analog for desiccation cracks on Mars: Experimental setup and initial results M.R. El-Maarry...2015 Available online 3 April 2015 The surface of Mars is host to many regions displaying polygonal crack...allows us to carry out desiccation experiments on Mars-analog materials in an effort to constrain the physical...and photometric properties of analog materials in Mars-like conditions. The initial experiments that have...may explain the presence of polygonal patterns on Mars in sediments that lack spectral confirmation of phyllosilicates |  | Rapin, W., Meslin, P.-Y., Maurice, S., Vaniman, D., Nachon, M., Mangold, N., Schröder, S., Gasnault, O., Forni, O., Wiens, R.C., Martínez, G.M., Cousin, A., Sautter, V., Lasue, J., Rampe, E.B., Archer, D. (2016) Hydration state of calcium sulfates in Gale crater, Mars: Identification of bassanite veins. Earth and Planetary Science Letters, 452. 197-205 doi:10.1016/j.epsl.2016.07.045 | Journal (article/letter/editorial) | | of calcium sulfates in Gale crater, Mars: Identification of bassanite veins W. Rapin a,b,∗ , P.-Y. Meslin...August 2016 Editor: C. Sotin Keywords: Mars calcium sulfate bassanite LIBS hydrogen ChemCam a b s t r a...targeted so far at Gale consist predominantly of bassanite which most likely formed by dehydration of gypsum...impacts. Additionally, anhydrite with lesser bassanite has been found by XRD in samples of sediments...sediments hosting the veins. Our result suggests bassanite is likely found in the veins and anhydrite may be more |  | Vaniman, David T., Martínez, Germán M., Rampe, Elizabeth B., Bristow, Thomas F., Blake, David F., Yen, Albert S., Ming, Douglas W., Rapin, William, Meslin, Pierre-Yves, Morookian, John Michael, Downs, Robert T., Chipera, Steve J., Morris, Richard V., Morrison, Shaunna M., Treiman, Allan H., Achilles, Cherie N., Robertson, Kevin, Grotzinger, John P., Hazen, Robert M., Wiens, Roger C., Sumner, Dawn Y. (2018) Gypsum, bassanite, and anhydrite at Gale crater, Mars. American Mineralogist, 103 (7) 1011-1020 doi:10.2138/am-2018-6346 | Journal (article/letter/editorial) | | Mineralogist, Volume 103, pages 1011–1020, 2018 Gypsum, bassanite, and anhydrite at Gale crater, Marsk David T....diffraction instrument on Mars Science Laboratory show that gypsum, bassanite, and anhydrite are common...°C) within CheMin drive gypsum dehydration to bassanite; measured surface temperatures and modeled temperature...heating can also cause gypsum dehydration to bassanite. By accounting for instrumental dehydration effects...samples returned from Mars. Keywords: Gypsum, bassanite anhydrite, X‑ray diffraction, Mars; Martian Rocks and |  | | Journal (article/letter/editorial) | | gypsum dehydration: Investigating the gypsum to bassanite transition Tanya N. Harrison* Department of Earth...(alabaster, satin spar, selenite, and massive) to form bassanite. Powdered samples of gypsum dehydrated at 100–115...While the transition from gypsum to bassanite is very abrupt, bassanite does not readily rehydrate to form...occurrences of bassanite being predominantly restricted to hyperarid climates. Keywords: Gypsum, bassanite, reflectance...nearinfrared Introduction Gypsum (CaSO 4⋅2H 2O) and bassanite (CaSO 4⋅0.5H 2O) are commonly formed on Earth |  | Peretyazhko, T.S., Niles, P.B., Sutter, B., Morris, R.V., Agresti, D.G., Le, L., Ming, D.W. (2018) Smectite formation in the presence of sulfuric acid: Implications for acidic smectite formation on early Mars. Geochimica et Cosmochimica Acta, 220. 248-260 doi:10.1016/j.gca.2017.10.004 | Journal (article/letter/editorial) | | Implications for acidic smectite formation on early Mars T.S. Peretyazhko a,⇑, P.B. Niles b, B. Sutter a...neutral to alkaline conditions. We propose that Mars experienced acidic events caused by sulfuric acid...present a model for global-scale smectite formation on Mars via acid-sulfate conditions created by the volcanic...2017 Elsevier Ltd. All rights reserved. Keywords: Mars; Smectite; Basalt alteration; Acidity; Sulfuric...been proposed to explain the observed mineralogy on Mars (Bibring et al., 2006). ⇑ Corresponding author. |  | | Journal (article/letter/editorial) | | Precipitation Phase transition Stability Anhydrite Bassanite Gypsum a b s t r a c t Despite much experimentation...phase and in the range of 80 to 120 °C gypsum and bassanite are the primary phases. The stability of the latter...precipitation of anhydrite (compared to gypsum and bassanite), and consequently, a considerable amount of time...results also show that at low water activity, bassanite becomes an important phase, which could be relevant...relevant to explain its presence on the surface of Mars. © 2014 Elsevier B.V. All rights reserved. 1. Introduction |  | Pajola, Maurizio, Rossato, Sandro, Carter, John, Baratti, Emanuele, Pozzobon, Riccardo, Erculiani, Marco Sergio, Coradini, Marcello, McBride, Karen (2016) Eridania Basin: An ancient paleolake floor as the next landing site for the Mars 2020 rover. Icarus, 275. 163-182 doi:10.1016/j.icarus.2016.03.029 | Journal (article/letter/editorial) | | paleolake floor as the next landing site for the Mars 2020 rover Maurizio Pajola a,b,∗, Sandro Rossato...March 2016 Available online 16 April 2016 Keywords: Mars, surface Geological processes Spectroscopy Image...lacustrine environments that were once present on Mars. Morphological features suggest that it was constituted...addition, small deposits of alunite (a rare phase on Mars), and jarosite are here found at several locations...Gusev crater in 2004, near the mouth of the Ma’adim Vallis, which connects this crater with the considered |  | | Journal (article/letter/editorial) | | and mapping gypsum abundances in Columbus crater, Mars Yang Liu PII: S0032-0633(17)30471-3 DOI: 10.1016/j...and mapping gypsum abundances in Columbus crater, Mars, Planetary and Space Science (2018), doi: 10.1016/j...and Mapping Gypsum Abundances in Columbus Crater, Mars 3 Yang Liu 4 Lunar and Planetary Institute,...sulfates, including gypsum, bassanite, and anhydrite, have been identified on Mars by orbital and in situ...the abundance of gypsum in Columbus 18 crater on Mars using the spectral unmixing analysis method. Our |  | | 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) | | channels within a trough of Noctis Labyrinthus, Mars: Implications for aqueous activity during the Late...occurring elsewhere on Mars. & 2013 Elsevier Ltd. All rights reserved. Keywords: Mars Hydrated minerals Fluvial...Fluvial channels 1. Introduction Hydrated minerals on Mars hold numerous clues into the environmental conditions...minerals of different ages suggest that ancient Mars was warmer and wetter, which favored formation of...location has been proposed as a future landing site on Mars due to a relatively flat Fig. 2. THEMIS daytime |  | Liu, Tao, Artacho, Emilio, Gázquez, Fernando, Walters, Gregory, Hodell, David (2019) Prediction of equilibrium isotopic fractionation of the gypsum/bassanite/water system using first-principles calculations. Geochimica et Cosmochimica Acta, 244. 1-11 doi:10.1016/j.gca.2018.08.045 | Journal (article/letter/editorial) | | Equilibrium Isotopic Fractionation of the Gypsum/Bassanite/Water System using First-Principles Calculations...Equilibrium Isotopic Fractionation of the Gypsum/Bassanite/Water System using First-Principles Calculations...Equilibrium Isotopic Fractionation of the Gypsum/Bassanite/Water System using First-Principles Calculations...called hydration water) in gypsum (CaSO4•2H2O) and bassanite (CaSO4•0.5H2O) can be used to reconstruct the...and hydrogen isotopes in the gypsum-water and bassanite-water systems between 0 C and 60 C. We apply |  | | Journal (article/letter/editorial) | | of clay and sulfate mixtures and implications for Mars K.M. Stack a,⇑, R.E. Milliken b a b Department...2014 Available online 16 December 2014 Keywords: Mars, surface Spectroscopy Infrared observations a b...diversity of hydrated mineral deposits on the surface of Mars. Quantitative analysis of mineral abundances within...global and local-scale mineralogical transitions on Mars. However, the ability of models to extract quantitative...to occur in a number of sedimentary deposits on Mars. This study examines the spectral properties of |  | | Journal (article/letter/editorial) | | Na2Mg(SO4)2·16H2O: A new hydrate phase observed under Mars-relevant conditions Kristin Leftwich1,*, David L...cold, low-PH2O environments such as the surface of Mars. Many of these hydrated evaporite minerals experience...surface, they will participate in the Mars H2O cycle. Keywords: Mars, sulfate, blödite, konyaite, efflorescence...temperature (T) and relative humidity (RH) during a Mars sol have the potential to influence the (bio)-availability...data on Mars (e.g., Ehlmann et al. 2009). Hydrous sulfate minerals are known to be present on Mars, based |  | Ehlmann, Bethany L., Swayze, Gregg A., Milliken, Ralph E., Mustard, John F., Clark, Roger N., Murchie, Scott L., Breit, George N., Wray, James J., Gondet, Brigitte, Poulet, Francois, Carter, John, Calvin, Wendy M., Benzel, William M., Seelos, Kimberly D. (2016) Discovery of alunite in Cross crater, Terra Sirenum, Mars: Evidence for acidic, sulfurous waters. American Mineralogist, 101 (7) 1527-1542 doi:10.2138/am-2016-5574 | Journal (article/letter/editorial) | | Discovery of alunite in Cross crater, Terra Sirenum, Mars: Evidence for acidic, sulfurous watersk Bethany...Noachian highlands of the Terra Sirenum region of Mars (30°S, 158°W), which hosts aluminum phyllosilicate...imaging spectrometer on Mars Express. Using high-resolution data from the Mars Reconnaissance Orbiter...Compact Reconnaissance Imaging Spectrometer for Mars (CRISM) show absorptions diagnostic of alunite....phyllosilicates, hydrothermal activity, lakes, groundwater, Mars, sediments, infrared spectroscopy, Invited Centennial |  | | 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) | | controls on H2O cycling and biomarker preservation on Mars Siobhan A. Wilson a,b,⇑, David L. Bish a a Department...minerals within multiphase geological materials on Mars. A series of long-term experiments employed temperature...(i.e., smectites). The formation of gypsum and bassanite in dry mineral mixtures via cation exchange between...be useful indicators of H2O and metal mobility at Mars-relevant temperatures ( 25 to +23 °C). The presence...organic biosignatures within Mg-sulfate crystals on Mars. Together, these observations suggest that Mg-sulfate |  | | Journal (article/letter/editorial) | | constrain diagenetic conditions at Gale crater, Mars E.M. Hausrath a,∗ , D.W. Ming b , T.S. Peretyazhko...xxxx Editor: W.B. McKinnon Keywords: Gale crater Mars altered fracture zones Stimson formation reactive...a c t On a planet as cold and dry as present-day Mars, evidence of multiple aqueous episodes offers an...being investigated by the Mars Science Laboratory Curiosity in Gale crater, Mars. Geochemical and mineralogical...multiple stages of aqueous alteration at Gale crater, Mars. Our model results indicate that early diagenesis |
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