 | | Journal (article/letter/editorial) | | Symplectic exsolution in olivine from the Nakhla martian meteorite TAKASHI MIKOUCHIIJ*, IKIKOYAMADAI AND...in revised form 2000 May 10) Abstract-The Nakhla meteorite, commonly accepted to have originated from...of Fe-rich olivine. Almost all olivine grains in Nakhla contain dark lamellar inclusions (less than 2-3...meteorites. The inclusion in Nakhla olivine is the first symplectite found in a martian rock. Apparently, the...noble gas characteristics that match those of the martian atmosphere as analyzed by the Viking probes (e |  | | Journal (article/letter/editorial) | | Naoya IMAE1, 2* and Yukio IKEDA3 1Antarctic Meteorite Research Center, National Institute of Polar Research...chamber(s) in the Martian crust, and erupted to form lava flow(s) or sill(s) near the Martian surface (Imae...Rehomogenization experiments on multiphase melt inclusions in Nakhla augites have been carried out (Varela et al. 2001;...of slowly cooled nakhlites such as Lafayette and Nakhla is difficult to produce their 1299 Ā© The Meteoritical...among nakhlites; Fa67ā71 for Lafayette, Fa62ā72 for Nakhla, Fa58ā78 for Y-000593, Fa57ā90 for Northwest Africa |  | | Journal (article/letter/editorial) | | accepted 02 October 2005) AbstractāAntarctic meteorite Miller Range (MIL) 03346 is a nakhlite composed...cumulus augite, whereas the skeletal Fe-Ti oxide, fayalite, and sulfide in the vitrophyric intercumulus matrix...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 (Ā± olivine, Ā± magnetite) in a shallow-level Martian magma chamber, 3) eruption of the crystal-laden |  | White, Lauren M., Gibson, Everett K., Thomas-Keprta, Kathie L., Clemett, Simon J., McKay, David S. (2014) Putative Indigenous Carbon-Bearing Alteration Features in Martian Meteorite Yamato 000593. Astrobiology, 14 (2) 170-181 doi:10.1089/ast.2011.0733 | Journal (article/letter/editorial) | | Indigenous Carbon-Bearing Alteration Features in Martian Meteorite Yamato 000593 Lauren M. White,1 Everett K...of indigenous carbonaceous matter in the martian meteorite Yamato 000593. The carbonaceous phases are...Words: MeteoriteāYamato 000593āMarsāCarbon. Astrobiology 14, 170ā181. 1. Introduction T he martian meteorites...meteorites represent samples of the martian regolith that were ejected from the planet as a consequence...meteorites indicate they formed across much of the martian geological record, from as recently as 165 million |  | 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...INTRODUCTION The nakhlite meteorites are samples of the Martian crust and formed approximately 1400 Ma ago either...provide a unique insight into the nature of the Martian hydrosphere because they contain hydrous silicates...(Treiman 2005). The weighted average of 224 Nakhla meteorite dissolution K-Ar and Rb-Sr age determinations |  | | Journal (article/letter/editorial) | | nakhlites: Northwest Africa 817, Northwest Africa 998, Nakhla, and Governador Valadares Vincent CHEVRIER1*, Jean-Pierre...studied these sulļ¬des 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...with the late magmatic redox state ļ¬xed by the fayalite-magnetite-quartz buffer. Therefore, the compositions...cumulate textures derived from the shallow level Martian crust (Harvey and McSween 1991; Treiman et al. |  | | Journal (article/letter/editorial) | | thought to come from a single geological unit at the Martian surface, show melt inclusions in augite and olivine...different nakhlites (Northwest Africa [NWA] 817, Nakhla, Governador Valadares, and NWA 998): Type-I isolated...from these four samples. Of these, only data from Nakhla were considered robust for reconstruction of a...currently providing the unique opportunity to study Martian rocks with terrestrialbased analytical methods...represent the composition of the parent magma. Nakhla itself has been the subject of several such studies |  | Weis, Franz A., Bellucci, Jeremy J., Skogby, Henrik, Stalder, Roland, Nemchin, Alexander A., Whitehouse, Martin J. (2017) Water content in the Martian mantle: A Nakhla perspective. Geochimica et Cosmochimica Acta, 212. 84-98 doi:10.1016/j.gca.2017.05.041 | Journal (article/letter/editorial) | | Accepted Manuscript Water content in the Martian mantle: a Nakhla perspective Franz A. Weis, Jeremy J. Bellucci...Whitehouse, M.J., Water content in the Martian mantle: a Nakhla perspective, Geochimica et Cosmochimica...journal pertain. Water content in the Martian mantle: a Nakhla perspective Franz A. Weisa,b*, Jeremy...Figure captions: 542 Keywords: Nakhla, hydrogen in NAMs, Mars, Martian water, magmatic water content ...Water contents of the Martian mantle have previously been investigated using Martian meteorites, with several |  | Brian Balta, J., Sanborn, Matthew E., Mayne, Rhiannon G., Wadhwa, Meenakshi, McSween, Harry Y., Crossley, Samuel D. (2017) Northwest Africa 5790: A previously unsampled portion of the upper part of the nakhlite pile. Meteoritics & Planetary Science, 52 (1) 36-59 doi:10.1111/maps.12744 | Journal (article/letter/editorial) | | College Station, Texas 77843ā3148, USA 4 Center for Meteorite Studies, School of Earth and Space Exploration...Davis, Davis, California 95616, USA 6 Monnig Meteorite Collection, School of Geology, Energy, and the...geochemical study of recently discovered Martian meteorite Northwest Africa (NWA) 5790 and use our results...to flow. therein). At present, more than 150 Martian meteorites have been recognized, and these represent...meteorites INTRODUCTION Our current understanding of Martian magmatic processes relies in large part on geochemical |  | | Journal (article/letter/editorial) | | sources (Chas-E and Chas-S), and fractionated Martian atmosphere. The nakhlites are igneous cumulate...greatest, in the order: MIL03346, NWA817, Y000593, Nakhla Ā¼ 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....Antarctica, but far from the Yamato samples (Antarctic Meteorite Newsletter, 2004). The histories of the other |  | | Journal (article/letter/editorial) | | S. RUSSELL:No meteorite is an island D. W. G . SEARS:The exploration of Mars, martian meteorites, and...hydrothermal alteration of a martian analog basalt: Implications for martian meteorites R . CLOCCHIAITI...in barred olivine chondrules from the Allende meteorite J . ZIPFEL.P . SCHERER, B. SPEITEL.G. DREIBUS...Noble gases in iddingsite from the Lafayette meteorite: Evidence for liquid water on Mars in the last...spectroscopy of amphiboles and pyroxenes in the martian meteorites Zagami and Lewis Cliff 88516 S. WEINBRUCH |  | | Journal (article/letter/editorial) | | nakhlite N. IMAE1, 2* and Y. IKEDA3 1Antarctic Meteorite Research Center, National Institute of Polar Research...After the MIL 03346 magma intruded upward to the Martian surficial zone, the magnesian olivine crystallized...has greatly increased the number of recognized Martian meteorites (e.g., Meyer 2004). The number of recognized...vol%) and other nakhlites (e.g., 10.8 vol% for Nakhla and 12.5 vol% for NWA 817) (Treiman 2005). The...00 0.02 0.11 0.00 98.75 Mesostasis Skeletal fayalite 174 N. Imae and Y. Ikeda Comparative petrology |  | | Journal (article/letter/editorial) | | Evidence for sediment contamination in a Martian meteorite Violaine Sautter a,ā, 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;...Ī±-particle X-ray spectrometers, operating on the Martian surface since 1997, detected in situ chlorine concentrations |  | | Journal (article/letter/editorial) | | online at http://meteoritics.org Petrology of Martian meteorite Northwest Africa 998 Allan H. TREIMAN1* and...Mars. This 456gram, partially fusion-crusted meteorite consists of (by volume) ā¼75% augite (core composition...āiddingsiteā associated with olivine (probably Martian), calcite crack fillings, and iron oxide/hydroxide...than 45 known unpaired Martian meteorites are seven nakhlite specimens (Nakhla, Lafayette, Governador...Treiman 2005). The nakhlites are distinctive among Martian meteorites because they have experienced less |  | | Journal (article/letter/editorial) | | http://meteoritics.org Oxygen fugacity in the Martian mantle controlled by carbon: New constraints from...data, along with analyses of titanomagnetite, fayalite and mesostasis of the new nakhlite Miller Range...clear progression of oxygen fugacity (fO2) in Martian meteorites from reduced Allan Hills (ALH) 84001...by polybaric graphite-CO-CO2 equilibria in the Martian mantle. Shergottites would have formed at pressures...buffering in the Martian mantle could be responsible for variation in fO2 in Martian meteorites (rather |  | | Journal (article/letter/editorial) | | and mare basalts [8, 9]; the Mar tian meteorites Nakhla [10, 11], Governador Vala darez [12, 13], and...and Chassigny [13]; the lodranitetype meteorite Queen Alexander Range 93148 [14]; and olivine inclusions...mesosiderite [15]. The spinel phase of terrestrial and Martian symplec tites is magnetite, often with an admixture...100 nm thick along [001] Fo77 Fo32ā40 Martian meteorite Na khla Luna 24 regolith Lunar troctolite...lamellar symplectites from terrestrial rocks and Martian meteorites is magnetite with admixtures of Al, |  | Rost, Detlef, Stephan, Thomas, Greshake, Ansgar, Fritz, Jƶrg, Weber, Iris, Jessberger, Elmar K., Stƶffler, Dieter (2009) A combined ToF-SIMS and EMP/SEM study of a three-phase symplectite in the Los Angeles basaltic shergottite. Meteoritics & Planetary Science, 44 (8) 1225-1237 doi:10.1111/j.1945-5100.2009.tb01219.x | Journal (article/letter/editorial) | | frequently found rimming pyroxene in the Martian meteorite Los Angeles. This assemblage is usually interpreted...Los Angeles is one of the most differentiated Martian meteorites, i.e., it is rich in incompatible elements...olivine, and silica have been also found in the Martian meteorites Queen Alexandra Range (QUE) 94201 (McSween...Shergotty (Aramovich et al. 2002). In these studies, Martian three-phase symplectites have been interpreted...pyroxenoid precursor. In their study of lunar meteorite MIL 05035, Liu et al. (2009) suggested that shock |  | Jambon, A., Sautter, V., Barrat, J.-A., Gattacceca, J., Rochette, P., Boudouma, O., Badia, D., Devouard, B. (2016) Northwest Africa 5790: Revisiting nakhlite petrogenesis. Geochimica et Cosmochimica Acta, 190. 191-212 doi:10.1016/j.gca.2016.06.032 | Journal (article/letter/editorial) | | INTRODUCTION As of January 2016 there are 162 recorded Martian meteorites, the so-called SNC (S for Shergottites...only 7 meteorites (MIL 03346, NWA 817, Y-000593, Nakhla, Governador Valadares, Lafayette and NWA 998);...2005). Thus nakhlites would have cooled at the Martian surface over short periods of time from 8 to 48...ļ¬nal position of NWA 5790 within the pile at the Martian surface. 2. ANALYTICAL METHODS Freshly broken pieces...exsolution (augiteāmagnetite intergrowths) observed in Nakhla and Governador Valadares (Greshake et al., 2000; |  | | Journal (article/letter/editorial) | | 12 July 2018 Abstract Nakhlite and chassignite martian meteorites have similar crystallization (1340 Ā±...lava ļ¬ows and/or magmatic bodies close to the martian surface, rather than from a single sill or lava...Cl-rich ļ¬uids driven by hydrothermal circulation of martian crustal brines during emplacement of the nakhlites...location of nakhlites and chassignites at the martian surface remains unconstrained, our results indicate...reserved. 87 Keywords: Martian meteorites; Nakhlites; Chassignites; Martian magmatism 1. INTRODUCTION |  | Goodrich, Cyrena Anne, Treiman, Allan H., Filiberto, Justin, Gross, Juliane, Jercinovic, Michael (2013) K2O-rich trapped melt in olivine in the Nakhla meteorite: Implications for petrogenesis of nakhlites and evolution of the Martian mantle. Meteoritics & Planetary Science, 48 (12) 2371-2405 doi:10.1111/maps.12226 | Journal (article/letter/editorial) | | in the Nakhla meteorite: Implications for petrogenesis of nakhlites and evolution of the Martian mantle...inclusions in olivine and augite in the Martian clinopyroxenite, Nakhla, for comparison with previously proposed...proposed compositions for the Nakhla (or nakhlite) parent magma. We particularly focused on obtaining accurate...previous studies of melt inclusions in olivine in Nakhla could have been due to unrepresentative sampling...inferred in studies of melt inclusions in augite in Nakhla by experimental rehomogenization. PTLaug was saturated |  | | Journal (article/letter/editorial) | | (~200 ā¦ C). Importantly, recent observations of Martian rocks have indicated that they are evolved magmatically...formed in mafic igneous intrusions, ore deposits, Martian nakhlite meteorites, and banded iron formations...Body GR22C GreāHis His His 27 Oxide 16 Mars Nakhla His 9 9 7 40.46 0.61 0.04 43.36 1.09 0.04...standards included synthetic oxides, chromite and fayalite, and natural Mgāolivine, Crystal Bay plagioclase...software package [31]. Thermodynamic properties for fayalite and magnetite in this database are from Helgeson |  | | Journal (article/letter/editorial) | | cooling rate is ā¤72 Ā°C hā1. Textural analysis of meteorite MIL 03346 reveals at least two distinct populations...al. 2006), indicating proximity to the quartz-fayalite-magnetite oxygen fugacity buffer (Rutherford et...that experiments using basalt patterned on other martian meteorites are applicable to interpreting the thermal...fusion experiments on portions of the MIL 03346 meteorite (Rutherford and Hammer 2008). Pertinent matrix...hematite+magnetite, nickel+nickel oxide, quartz+fayalite+magnetite, and iron+wĆ¼stite) that likely encompass |  | 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 |  | | Journal (article/letter/editorial) | | com/locate/gca Invited Review Silicate mineralogy of martian meteorites J.J. Papike, J.M. Karner, C.K. Shearer...from 19 of the martian meteorites that are representative of the six types of martian rocks. We also...Olivine data show that meteorite Y 980459 is a primitive melt from the martian mantle as its olivine crystals...contributing to this are the low activity of Al in martian melts and the resulting delayed nucleation of plagioclase...plagioclase in the crystallizing rock. Olivine from martian rocks shows distinct trends in NiāCo and Cr systematics |  | | Journal (article/letter/editorial) | | Copyright Ā© 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 ā«¹ salts ā«¹ 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...dust/sediment (Christensen, 2003). It appears that any martian surface solutions have been largely lost to space |
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