 | Lee, M. R., Tomkinson, T., Mark, D. F., Stuart, F. M., Smith, C. L. (2013) Evidence for silicate dissolution on Mars from the Nakhla meteorite. Meteoritics & Planetary Science, 48 (2) 224-240 doi:10.1111/maps.12053 | Journal (article/letter/editorial) |
| for silicate dissolution on Mars from the Nakhla meteorite M. R. LEE1*, T. TOMKINSON2, D. F. MARK2, F...in the Nakhla meteorite are good evidence for the former presence of liquid water in the Martian crust...nanocrystalline smectite, a Fe-Mg phyllosilicate, and then gypsum, whereas only the smectite occurs within augite...precipitation of each layer. Together with microcrystalline gypsum the Fe-Mg phyllosilicate crystallized as water...INTRODUCTION The nakhlite meteorites are samples of the Martian crust and formed approximately 1400 Ma ago either |
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| alteration assemblage: halite, siderite, and anhydrite/ gypsum. The nakhlites are little shocked, but have been...sources (Chas-E and Chas-S), and fractionated Martian atmosphere. The nakhlites are igneous cumulate...greatest, in the order: MIL03346, NWA817, Y000593, Nakhla ¼ Governador Valadares, Lafayette, and NWA998....compositions, magma sources, and alteration by Martian water. I will try to place the nakhlites in a reasonable...only three. Nakhla, the meteorite eponym for the group, was observed to fall in northern Egypt in 1911. |
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| nakhlites: Northwest Africa 817, Northwest Africa 998, Nakhla, and Governador Valadares Vincent CHEVRIER1*, Jean-Pierre...studied these sulfides in Northwest Africa (NWA) 998, Nakhla, Governador Valadares, and NWA 817 with optical...Valadares; more massive, true intercumulus blebs in Nakhla and NWA 998. These nakhlites also show evidence...cumulate textures derived from the shallow level Martian crust (Harvey and McSween 1991; Treiman et al....NWA 817 Po Po 0.04 <0.01 Y-000593 ⁄ 749 ⁄ 802 Nakhla Po Pob, Pyc, Cp Grain size (lm) Pyrrhotite M |
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| meteorites from Mars in the world's collections. The martian meteorites differ from meteorites from the asteroid...years; evidence for a martian origin rests on the presence of trapped martian atmospheric gases within...the specimens. The first three martian meteorites, Shergotty, Nakhla and Chassigny, gave their names...as 'martian'. The meteorites are all igneous, most are shocked and many show evidence of martian aqueous...aqueous activity. Study of martian meteorites is a valuable complement to spacecraft observations of Mars |
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| brine to be even moderately stable under current martian surface conditions. Such brines are to be expected...vapor pressures to persist stably under current martian surface temperatures and pressures. Brines are...lower freezing temperatures. He suggested that martian brines may have existed in the past and might exist...et al. 2001). The possibility of brines in the martian regolith has been subsequently considered by many...Clark and Van Hart (1981), which follows: (1) Martian soils and especially duricrust were shown by Viking |
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| accepted 02 October 2005) Abstract–Antarctic meteorite Miller Range (MIL) 03346 is a nakhlite composed...that MIL 03346 is part of the same or a similar Martian cumulate-rich lava flow as other nakhlites. However...the petrogenesis of MIL 03346 and the nakhlites (Nakhla, Governador Valadares, Lafayette, Yamato-000593...augite (± olivine, ± magnetite) in a shallow-level Martian magma chamber, 3) eruption of the crystal-laden...and to komatiites. INTRODUCTION The Shergotty-Nakhla-Chassigny (SNC) meteorites represent a suite of |
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| Aqueous Processes Recorded by Martian Meteorites: Analyzing Martian Water on Earth Laurie A. Leshin1...carbonates, are present at some level in all Martian meteorite subtypes and are especially important in the...water–rock interaction OVERVIEW OF MARTIAN METEORITES The Martian meteorites (also called SNC, for shergottite–...comprise a group of 36 specimens. Evidence for the Martian origin of these rocks is discussed in the sidebar...samples and review in detail the evidence for a Martian origin. An up-to-date catalog of descriptions of |
 | Suga, Hiroki, Suzuki, Keika, Usui, Tomohiro, Yamaguchi, Akira, Sekizawa, Oki, Nitta, Kiyofumi, Takeichi, Yasuo, Ohigashi, Takuji, Takahashi, Yoshio (2021) A New Constraint on the Physicochemical Condition of Mars Surface during the Amazonian Epoch Based on Chemical Speciation for Secondary Minerals in Martian Nakhlites. Minerals, 11 (5) 514 doi:10.3390/min11050514 | Journal (article/letter/editorial) |
| Chemical Speciation for Secondary Minerals in Martian Nakhlites Hiroki Suga 1, *,† , Keika Suzuki 2,†...Chemical Speciation for Secondary Minerals in Martian Nakhlites. Minerals 2021, 11, 514. https://doi...Accepted: 11 May 2021 Abstract: Iddingsite in Martian nakhlites contains various secondary minerals that...Herein, we characterize the carbonate phase of meteorite Yamato 000593 as siderite and Mn-bearing siderite...nakhlite; µ-XRF-XAFS; chemical speciation; Mars; martian water; aqueous alteration; Y 000593; S chemistry; |
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| Evidence for sediment contamination in a Martian meteorite Violaine Sautter a,⁎, Albert Jambon b , Omar...Spirit and Opportunity missions revealed that Martian soils and rocks are enriched in chlorine (up to...and massive halite trapped within olivine from Nakhla. Here we describe the first extra-terrestrial Cl-rich...2006 Elsevier B.V. All rights reserved. Keywords: Martian evaporitic sediments; Chlorine; chloro-potassichastingsite;...α-particle X-ray spectrometers, operating on the Martian surface since 1997, detected in situ chlorine concentrations |
 | Tomkinson, Tim, Lee, Martin R., Mark, Darren F., Dobson, Katherine J., Franchi, Ian A. (2015) The Northwest Africa (NWA) 5790 meteorite: A mesostasis-rich nakhlite with little or no Martian aqueous alteration. Meteoritics & Planetary Science, 50 (2) 287-304 doi:10.1111/maps.12424 | Journal (article/letter/editorial) |
| Africa (NWA) 5790 meteorite: A mesostasis-rich nakhlite with little or no Martian aqueous alteration...the find and extends into the interior of the meteorite within veins. The presence of microbial remains...finely crystalline and comprise ~0.003 vol% of the meteorite. dD values of the clay minerals range from 212...be used to distinguish between a terrestrial or Martian origin. As petrographic results are also not definitive...minerals produced by Martian groundwaters are at best very rare within NWA 5790. The meteorite has therefore |
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| of salts precipitates: phosphates; carbonates; gypsum; epsomite; bloedite; halite; hexahydrite; and,...Copyright © 2004 Elsevier Ltd evolution of the ancient martian hydrosphere (primordial surface solutions). Clues...as they were concentrated could be held in the martian regolith (silicates ⫹ salts ⫹ oxides; McSween and...indicate that the salts inferred to be on the martian surface in soils, cements, rocks, and dust in the...salts have been tentatively identified in the martian dust using infrared spectroscopy (Bell, 1996; Blaney |
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| elsevier.com/locate/gca Martian fluid and Martian weathering signatures identified in Nakhla, NWA 998 and MIL...Br, I) of Martian nakhlites Nakhla, NWA 998 and MIL 03346 to determine the presence of Martian hydrous...Neutron-irradiated samples were either crushed and step-heated (Nakhla only), or simply step-heated using a laser or furnace...displays 40 ArXS/36Ar of 1000 – consistent with the Martian atmosphere. This component was released predominantly...ratios in our Nakhla samples (especially olivine) are consistent with previously analysed Martian weathering |
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| 1089/ast.2013.1069 A Conspicuous Clay Ovoid in Nakhla: Evidence for Subsurface Hydrothermal Alteration...ovoid structure has been discovered in the Nakhla martian meteorite, made of nanocrystalline iron-rich saponitic...amorphous material. The ovoid is indigenous to Nakhla and occurs within a late-formed amorphous mesostasis...structure. There is evidence that the parent rock of Nakhla has undergone a shock event from a nearby bolide...explanation for the formation of the ovoid structure in Nakhla, and although compelling evidence for a biotic |
 | 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) |
| for shergottites, nakhlites, and the ancient meteorite ALH 84001, as well as rocks analyzed by the Mars...at a terrestrial site in Triassic sediments with gypsum veins of the Mercia Mudstone Group in Watchet Bay...the duration of water-related processes in the Martian crust [Brack et al. 2010; Fairen et al. 2010a...H2O), i.e., sulfate in a less hydrated state than gypsum (CaSO4 9 2H2O). Notably, the only trace element...clay formation though incongruent dissolution of Martian bedrock at Yellowknife Bay (Bridges et al. 2015) |
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| S.A. 1 Abstract Petrologic investigations of martian rocks have been accomplished by mineralogical,...provided by orbiters), and by laboratory analyses of martian meteorites. Igneous rocks are primarily lavas and...geothermal systems. Shock effects are common in martian meteorites, and impact breccias are probably widespread...widespread in the planet’s crustal rocks. The martian rock cycle during early periods was similar in many...likelihood of ever studying martian rocks. Even in the modern spacecraft era, martian petrology has proved to |
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| · Yasser Abd El-Rahman Editors The Geology of Egypt Regional Geology Reviews Series Editors Roland...Geology of Egypt 123 • Editors Zakaria Hamimi Department of Geology Benha University Benha, Egypt Jesús...El-Barkooky Department of Geology Cairo University Giza, Egypt Harald Fritz Department of Geology and Environment...El-Rahman Department of Geology Cairo University Giza, Egypt ISSN 2364-6438 ISSN 2364-6446 (electronic) Regional...by: Prof. M.A. Abd El-Wahed, Tanta University, Egypt) This Springer imprint is published by the registered |
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| . . . . . . . . . . . . . . . . . 00 2.9.13. Martian meteorites . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . . . . . 00 2.10.28. Martian meteorites . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . . . . . 00 2.12.10. Martian meteorites . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . 00 2.14.9. Martian meteorites . . . . . . . . . . . . . . . . . ....the HED parent asteroid (probably Vesta); and martian and lunar meteorites formed as igneous rocks on |
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| ] suggested the possibility of the presence of martian life based on observations of several characterisitc...these magnetite and pyrrhotite grains in the martian meteorite are of magnetotactic bacterial origin. A6...relationship between brown shock glasses and host rock in martian peridotites such as ALH 77005 [5]. The original...obtained from NASA; additional chips from each meteorite were examined petrographically at the Smithsonian...iron in a weathered sample of an equilibrated meteorite, with weight gains predicted for an unweathered |
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| and on druse clinopyroxene from the D’Orbigny meteorite. The average structure refinement of the studied...721-723. [7] Tonui E. et al. (2002) Antarctic Meteorite Research 15:38-58. [8] Alexander C.M.O'D. et al...fractionation trends are observed in different meteorite groups that are likely linked either with thermal...3:65.7 respectively. The parent bodies of these meteorite types inherited the isotopic heterogeneities from...have not yet discovered a separate pl-px-ol-rich meteorite to represent the missing complementary member |
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| This page intentionally left blank The Martian Surface Composition, Mineralogy, and Physical Properties...Surface and Atmosphere Barlow 9780521852265 9 The Martian Surface: Composition, Mineralogy, and Physical...Bell 9780521866989 *Issued as a paperback THE MARTIAN SURFACE Composition, Mineralogy, and Physical Properties...historical perspective 1 1 Exploration of the Martian surface: 1992–2007 L. A. SODERBLOM AND J. F. BELL...Interpretations from New in situ APXS Measurements 33 Martian surface chemistry: APXS results from the Pathfinder |
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| science discipline. The cases of reporting of Martian fossils and carbonates are good examples of how...and their interpretation as evidence of advanced Martian civilisation more than a century ago are easily...than any other planet. The Martian day has a length of 24.6 hours and the Martian year a length of 669 days...Earth’s diameter and about 1/3rd of Earth gravity. Martian surface temperatures range between −125°C and +...occurrence of liquid water was conditional on the dense Martian atmosphere and the atmospheric greenhouse effect |
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| Tektites Meteorite Parent Bodies Celestial Mechanics Falls and Finds Age Determinations Meteorite Impacts...Nirgal Vallis 12.5.3. Vedra Valles Impact Craters Martian Meteorites Water on Mars 12.8.1. Hydrologic Cycle...Scot Kaplan for the photograph of the Ahnighito meteorite and we gratefully acknowledge the support of The...between 2000 and 2500 years ago. Eudoxus had gone to Egypt to study geometry and applied his knowledge to the...located about 24km east of the city of Alexandria in Egypt. Ptolemy published a book in which he presented |
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| Book 27 The Isthmus and The Weather of 93 Meteorite Island Belief 129 Mr. Barringers Big Idea ...Index 412 453 , 505 31 Down 386 437 Meteorite Chart , 309 333 Antarctic Journey Crap Through...all kill that weight. Meteor” featured a meteorite that accelerated the aging of the hapless castaways... and the Profes- made sor even movie My meteorite. “Meet Gilligans Island called a Geiger counter...pricey. An English breakfast cereal, packets of meteorite dust as a promotional give- wondered how many |
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| and appeared with no good presage.” Published in Egypt in the 15th century, History of the Patriarchs of...enormous tsunamis, the fact that the asteroid hit a gypsum bed and would have produced clouds of sulfur dioxide...amount of recoverable iron from the offending meteorite, Kulik persuaded the academy to fund a proper...forest. He found holes and bogs he attributed to meteorite strikes but later discovered stumps in some of...in some of these spheres strongly suggested a meteorite as the impactor. With no impact crater, however |
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| (2005): Melt inclusions in augite of the Nakhla Martian meteorite: Evidence for basaltic parental melt....δ11B and δ7Li from the Semarkona LL3 chondrite meteorite. They used an IMS 3f, and determined δ7Li and...Fe-bearing minerals, pyrite, sulfates [anhydrite or gypsum, glaserite – (K,Na)2SO4], other minerals (sodalite |
